#raspberrypi IRC Log


IRC Log for 2015-12-16

Timestamps are in GMT/BST.

[0:01] <simoneb> ..is that a different distro?
[0:01] <uriah> yeah
[0:01] <simoneb> maybe it's a little overkill to switch distro for a driver
[0:01] <uriah> http://www.voidlinux.eu/
[0:01] <simoneb> well maybe not if that wants to be a retropie
[0:01] <uriah> heheh :)
[0:01] * mmazing (~mmazing@unaffiliated/mmazing) Quit (Quit: Leaving)
[0:02] <uriah> what's nice about void is that the packages are usually newer versions, it doesn't use systemd (uses runit instead), and it doesn't use openssl (uses libressl instead)
[0:02] <uriah> so it's good for paranoid folk like me :D
[0:02] <simoneb> ok I had an idea! ctrl-c the thing, install screen, run screen, compile over
[0:02] <uriah> and it boots ultra fast too
[0:02] <uriah> haha
[0:02] <uriah> cool
[0:03] <simoneb> I have 20 hours in front of me before i'm able to have a look at it again, I hope they suffice
[0:03] <uriah> but what if you're near the end of the compile? all that waiting for nothing :(
[0:03] <simoneb> well I can't sleep with this idea in mind so I'll just assume it would have taken still hours and hours
[0:03] <simoneb> say, 19 hours
[0:04] * x86zombie (~x86zombie@2e.c3.089f.ip4.static.sl-reverse.com) Quit (Remote host closed the connection)
[0:04] <uriah> heheh
[0:04] <simoneb> good night!
[0:04] * Hexxeh (sid1532@gateway/web/irccloud.com/x-wtgotmitjqpbduox) Quit (Ping timeout: 240 seconds)
[0:04] <uriah> simoneb: goodnight :)
[0:05] * Moonsilence (~Moonsilen@aftr-95-222-30-203.unity-media.net) Quit ()
[0:06] * shivers_ (~shivers@c80-216-75-95.bredband.comhem.se) Quit (Quit: Leaving is dying a little...)
[0:07] * Hexxeh (sid1532@gateway/web/irccloud.com/x-ruhldxfxhpgvxycb) has joined #raspberrypi
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[0:08] * tomeff (~tomeff@ip-78-102-111-158.net.upcbroadband.cz) Quit (Quit: tomeff)
[0:09] <CCFL_Man> remember those hp palmtop PCs of the late 90s?
[0:09] <dob1> hi, i have an hp p1102 printer, no way to make it works with cups, (damn hp and their proprietary plugin!, someone made it?), i was thinking, there is some way to make it work as a dummy printer? the client has the driver and just sends the data to the rpi that has cups installed? i don't know if it's clear
[0:11] <Encrypt> dob1, Yep, I did it with a Samsung printer! :)
[0:11] <dob1> Encrypt, you setup it as a raw printer ?
[0:11] * derk0pf (~derk0pf@p508BAE90.dip0.t-ipconnect.de) Quit (Quit: ZzzZZzZZZ.)
[0:11] <Encrypt> dob1, Install it as "raw" on the raspberry pi
[0:11] <Encrypt> Eh eh :p
[0:12] * TheWarden (~chatzilla@S010608bd43aaeb24.ss.shawcable.net) Quit (Quit: ChatZilla 0.9.92 [Firefox 42.0/20151029151421])
[0:12] <dob1> Encrypt, ok but how do you share it? via samba?
[0:12] <uriah> CCFL_Man: thinking of retrofitting a pi into one? :D
[0:12] * dalmatHG (~dalmat@unaffiliated/dalmathg) has joined #raspberrypi
[0:13] <Encrypt> dob1, You should install xinetd
[0:14] <dob1> Encrypt, for what?
[0:14] <Encrypt> Hum
[0:14] <Encrypt> That's what I use in order to print with lpd
[0:14] <CCFL_Man> uriah: i still love the design
[0:15] <CCFL_Man> retrofitting might be a good idea
[0:15] <uriah> heheh :
[0:15] <uriah> :)
[0:15] <CCFL_Man> i'm disapointed palmtops went out of style
[0:15] <uriah> CCFL_Man: got a link to a photo of one?
[0:15] <Encrypt> dob1, http://blog.johanv.org/posts/old/node-195.html
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[0:19] <CCFL_Man> uriah: google hp palmtop
[0:19] <uriah> heh ok
[0:22] * magecca (~magecca@ns1.magecca.com) has left #raspberrypi
[0:23] * cfelectro (~cfelectro@pool-100-11-223-109.phlapa.fios.verizon.net) has joined #raspberrypi
[0:24] <CCFL_Man> remember those?
[0:24] * NickelSpike (~textual@ has joined #raspberrypi
[0:25] <CCFL_Man> i wanted one so bad but could never afford one
[0:25] <uriah> heh
[0:26] * NickelSpike (~textual@ Quit (Max SendQ exceeded)
[0:26] <uriah> i actually have an 800x480 screen that is around those dimensions, meant for an old sony laptop
[0:28] * defsdoor (~andy@cpc73037-sutt4-2-0-cust62.19-1.cable.virginm.net) Quit (Remote host closed the connection)
[0:28] * tombrough (~tom@cpc3-newt3-0-0-cust8.19-3.cable.virginm.net) has left #raspberrypi
[0:28] * Mikelevel (~Mr.Nobody@unaffiliated/mikelevel) Quit (Remote host closed the connection)
[0:30] * yann|work (~yann@nan92-1-81-57-214-146.fbx.proxad.net) has joined #raspberrypi
[0:30] <CCFL_Man> oh
[0:31] <yann|work> anyone here managed to connect a 4K display to a rPI2 ?
[0:33] <yann|work> I can't find anyone in the forums reporting errors from edid-parser such as "failed to find a matching detail format for 3840x2160p ... pixel clock:297 MHz"
[0:34] * TheSin (~TheSin@gateway.bluefalls.ca) has joined #raspberrypi
[0:36] * DMackey (~n2dvm@cpe-67-246-122-255.twcny.res.rr.com) has joined #raspberrypi
[0:36] * terminal_echo (terminal_e@gateway/vpn/mullvad/x-uajiqtavrvxkeoew) Quit (Ping timeout: 264 seconds)
[0:36] <semininja> yann|work, https://github.com/raspberrypi/linux/issues/1229
[0:36] <semininja> also, uriah
[0:37] <semininja> yann, is that possibly related?
[0:37] <yann|work> what's strange is that if I specify a custom resolution through "hdmi_cvt 3840 2160 30" it attempts to use a 338MHz pixel clock - which may be the reason why the TV won't accept it
[0:38] <yann|work> semininja: no, it's not the same symptom
[0:38] <semininja> ok
[0:38] <semininja> would have been a funny coincidence because I just figured that one out
[0:38] <yann|work> the TV just says that the mode is not supported, and that's only for the 2160p attempts, all other tries were ok
[0:39] * Aboba (~Bob@ Quit (Ping timeout: 240 seconds)
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[0:58] * KRESH (~Esh@cm56-202-149.liwest.at) Quit (Quit: Going offline, see ya! (www.adiirc.com))
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[1:31] * turtlehat (~turtlehat@5CEC365.rev.sefiber.dk) Quit (Quit: gone)
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[1:39] <fantasmos__> Hello
[1:39] * Nik05 (~Nik05@unaffiliated/nik05) Quit (Remote host closed the connection)
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[1:39] <fantasmos__> Anyone know a good 2.4ghz transmitter? Or even tutorials? I've looked around a bit but not seen anything overly concrete
[1:42] <fantasmos__> an nRF24L01+ is the best bet for me by the looks of it
[1:43] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 256 seconds)
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[2:17] <conor_f> Still having wifi issues -_-
[2:19] <conor_f> "Last time on Glee..." Got a wifi adapter, its driver seems to work as I can run iwlist and see all networks around me. Connecting to wifi by wpa_supplicant or by /etc/network/interfaces didn't work. Installed Wicd-curses but LSB for some reason starts then stops Wicd during boot and when I try run sudo wicd or sudo wicd-curses they both fail silently.
[2:19] <conor_f> Thoughts on where to go from here? Jessie Lite, WEP network
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[2:26] * kd7jwc (~Shane@207-225-88-155.ptld.qwest.net) Quit (Ping timeout: 256 seconds)
[2:26] <conor_f> ?
[2:26] * leio_ (~leio@gentoo/developer/leio) Quit (Remote host closed the connection)
[2:31] * uriah (~uriah@unaffiliated/uriahheep) Quit (Ping timeout: 265 seconds)
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[2:49] <conor_f> trying now with static IP instead of DHCP
[2:50] <conor_f> can't even get it to work from /etc/network/interfaces...
[2:53] * joebob (~joebob60@pool-96-251-153-205.lsanca.fios.verizon.net) has joined #raspberrypi
[2:54] <joebob> Hi everyone, I hope someone in here can help me with this question or at least point me in the right direction.
[2:57] <joebob> I've been building some custom media centers for my friends using a rpi2 running kodi (OSMC) and a few other things. I've been trying to think of a good way to push out updates to my friends units.
[2:59] <joebob> So far I've been either having to manual do the updates or create an image file and then reimage the sdcard.
[2:59] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Ping timeout: 240 seconds)
[3:01] * SpeedEvil (~quassel@tor/regular/SpeedEvil) Quit (Quit: No Ping reply in 180 seconds.)
[3:01] * dalmatHG (~dalmat@unaffiliated/dalmathg) Quit (Quit: Leaving)
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[3:02] * speeddragon (~speeddrag@sm2-84-91-40-157.netvisao.pt) Quit (Remote host closed the connection)
[3:04] <joebob> what I've tried so far is to use git and create the repo on the root linux directory (ignoring system files and what not) and then make whatever changes and push the changes to GitHub. Then on another unit I'd like to beable to pull the changes.
[3:04] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) has joined #raspberrypi
[3:04] <joebob> I've been able to get part of it working but its real buggy, sometimes crashes the unit or changes do not appear.
[3:06] * knob (~knob@ Quit (Quit: Leaving)
[3:07] * fnlstrm (~finlstrm@ip70-181-34-150.ri.ri.cox.net) has joined #raspberrypi
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[3:10] * methuzla (~methuzla@dsl254-017-117.sea1.dsl.speakeasy.net) Quit (Ping timeout: 265 seconds)
[3:12] * beardedbuddha|aw is now known as beardedbuddha
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[3:14] * puzzola (~puzzola@unaffiliated/puzzola) Quit (Read error: Connection reset by peer)
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[3:21] * Encapsulation (~Astoundin@unaffiliated/encapsulation) Quit (Ping timeout: 246 seconds)
[3:22] * bigx (~bigx@cam44-2-82-235-243-114.fbx.proxad.net) Quit (Quit: Quitte)
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[3:31] <ali1234> joebob: git isn't really meant for deployment
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[3:42] <joebob> ali1234 what would you suggest using for deplayment?
[3:42] * drink1n (~drink1n@unaffiliated/xrosnight) Quit (Ping timeout: 250 seconds)
[3:42] <joebob> deployment*
[3:42] <ali1234> depends what you are deploying really
[3:43] <joebob> it running kodi media center and I'd like to be able to add new addon or shortcut menus that I can push out
[3:46] * PiGuy (18669026@gateway/web/freenode/ip. has joined #raspberrypi
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[4:06] <PiGuy> Hello
[4:06] <PiGuy> can I run a Pi for 10 hours with this battery? http://www.miniinthebox.com/focus-power-4-2v-10000mah-18650-rechargeable-lithium-ion-battery-1pcs_p3127624.html?currency=USD&litb_from=paid_adwords_shopping&litb_from=&adword_mt=&adword_ct=75415947282&adword_kw=&adword_pos=1o10&adword_pl=&adword_net=g&adword_tar=&adw_src_id=4196617767_325111122_22935469482_pla-145554309162&gclid=CjwKEAiAkb-zBRC2upezwuyguQ4SJADZG08vLHw3EiCkAwQtGxwkQMNz
[4:07] <PiGuy> And also can I run use this battery and charge it at the same time?
[4:07] <PiGuy> And what would I use to charge this battery?
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[4:08] <PiGuy> Could I put those batteries together to get even more current? Like 24000maH for example?
[4:09] <methuzla> maybe, maybe, a charger, yes
[4:09] * Stanto (~Stanto@li285-77.members.linode.com) Quit (Quit: quit!)
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[4:11] <PiGuy> methuzla: Thanks :), The battery is `10000maH and voltage range of 2.7v to 4.2 v. Could I use a voltage regulator to get it to 5v and power my Raspberry Pi 2 Model B?
[4:12] * cfelectro (~cfelectro@pool-100-11-223-109.phlapa.fios.verizon.net) Quit ()
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[4:15] <methuzla> you'll need some kind of DC boost converter
[4:16] <PiGuy> methuzla: I see
[4:17] <PiGuy> methuzla: If there anything I need to know about when I am charging and discharging them my batteries? I was planning on using 4 if I can. So 40000maH.
[4:17] * spybert (~spybert@c-50-173-18-125.hsd1.ca.comcast.net) Quit (Ping timeout: 240 seconds)
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[4:19] <methuzla> be careful with charging, each cell (or battery) will charge differently
[4:19] * eXtremo (~eXtremo@unaffiliated/extremo) has joined #raspberrypi
[4:19] <methuzla> you won't be able to just hook up 4 batteries and connect to a charger
[4:20] <PiGuy> methuzla: So I can't put them into a battery holder like this: http://www.miniinthebox.com/2pcs-18650-3-7v-4-2v-5000mah-li-ion-battery-18650-battery-charger_p2040880.html?pos=ultimately_buy_8
[4:21] <methuzla> you can probably try that for using them to power something
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[4:21] <methuzla> but shouldn't charge them like that
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[4:21] <PiGuy> Oh that's not a battery charger :/ that's a battery charging wall dock :/
[4:21] <PiGuy> methuzla: Alright. What do you recommend?
[4:23] <methuzla> oh, that's a charger. sorry. thought it was a battery holder.
[4:23] * raspberrypifan (~raspberry@cpe-74-73-92-13.nyc.res.rr.com) has joined #raspberrypi
[4:23] <methuzla> that should work for charging the batteries
[4:23] <raspberrypifan> anyone know when we might get a new shipment of zeros
[4:24] <methuzla> i'd try to get a single cell with the capacity you need
[4:26] <PiGuy> methuzla: Alright, I will look again :)
[4:26] * Anderson69s (~Anderson6@bas69-h01-176-144-249-160.dsl.sta.abo.bbox.fr) has joined #raspberrypi
[4:27] <PiGuy> methuzla: On second though 10000maH is plenty :D
[4:27] * i8igmac (~bigmac@174-24-210-102.tukw.qwest.net) has joined #raspberrypi
[4:27] <PiGuy> methuzla: So you are saying to find a charger for that battery, send the charger to the battery, then the battery to the voltage regulator, then the voltage regulator to the Raspberry Pi?
[4:27] <methuzla> how long that will last depends on what pi and what you're doing
[4:28] <PiGuy> methuzla: I am using the Raspberry Pi 2 Model B
[4:28] * amigojapan (~amigojapa@unaffiliated/amigojapan) Quit (Quit: amigojapan)
[4:28] <methuzla> that's the hungriest of the lot
[4:28] <i8igmac> hi, i have setup a raspberry pi repeater... i wonder if a serial wifi module will defeat the bus bottle neck problem (eth+usb ports)
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[4:31] <methuzla> PiGuy as examples, i have these: https://www.adafruit.com/products/1944 https://www.adafruit.com/products/1781
[4:32] <methuzla> PiGuy runs an A+ with pi camera and LCD display for about 8 hours
[4:33] <PiGuy> methuzla: I found this: http://www.dx.com/p/3-7v-12000mah-rechargeable-6-x-18650-li-ion-battery-pack-blue-291104?tc=USD&gclid=CjwKEAiAkb-zBRC2upezwuyguQ4SJADZG08vEkvtdpmB2UwSXAyBca5V9CMm6TqtiNNutjRhs-Fd9hoCEh3w_wcB#.VnDbR7--3cc
[4:33] <PiGuy> methuzla: Thanks I will check those out
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[4:40] <methuzla> PiGuy wow, no circuit protection, charge it outside away from anything flammable
[4:40] <PiGuy> methuzla: I wish adafruit has some 8000maH+ lith-ion batteries for a low price
[4:41] * fnlstrm (~finlstrm@ip70-181-34-150.ri.ri.cox.net) Quit (Ping timeout: 260 seconds)
[4:41] <PiGuy> methuzla: The last link of the one before?
[4:41] <PiGuy> Which battery?
[4:41] <methuzla> last link, looks like 6 cells
[4:41] <PiGuy> I know the last one didn't have protection
[4:42] <PiGuy> methuzla: Yeah
[4:42] <PiGuy> methuzla: I plan on puttin it in side a small 3d model
[4:44] * cpe (~cpe@unaffiliated/cpe) Quit (Ping timeout: 250 seconds)
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[4:46] <PiGuy> I think I will use the single cell 10000maH one
[4:47] * conor_f (~conor@ Quit (Quit: leaving)
[4:47] <PiGuy> methuzla: ^^
[4:47] <methuzla> ok
[4:48] * cagmz_ (~cagmz@cpe-76-95-140-68.socal.res.rr.com) Quit (Ping timeout: 240 seconds)
[4:48] <PiGuy> Now it's time to find a charger :)
[4:50] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Quit: –)
[4:52] <mozzwald> PiGuy: https://www.adafruit.com/products/2465 is efficient and has high output, load sharing.
[4:54] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[4:54] <PiGuy> mozzwald: Thanks :) Now I have that problem out of the way :)
[4:54] <mozzwald> that 10000mAh battery should last 20 hours if you were constantly pulling 500mAh
[4:54] * spt0 (~spt0@unaffiliated/spt0) has joined #raspberrypi
[4:55] <mozzwald> do you know how much current your setup uses?
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[4:55] * kookie (~wmsundell@ Quit (Quit: Konversation terminated!)
[4:56] <PiGuy> mozzwald: I unfortunately don't have a circuit doctor but I say that 1A should be enough. I am only running a WaveShare 3.5 inch touch screen, and running a program.
[4:58] <PiGuy> mozzwald: Do you know if that circuit from adafruit has lith-ion protection, etc?
[4:58] <PiGuy> so safety circuitry
[4:59] * spt0 (~spt0@unaffiliated/spt0) Quit (Ping timeout: 272 seconds)
[5:01] <mozzwald> PiGuy: it won't over charge, but i'm not sure about undervoltage lock out.
[5:02] <PiGuy> mozzwald: What is undervoltage lockout?
[5:03] <mozzwald> if battery gets below certain voltage it cuts off the battery so you don't over discharge it
[5:03] <PiGuy> mozzwald: What happens when you over discharge the battery?
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[5:04] <mozzwald> you degrade the battery. reduces it's life span
[5:04] * mike_t (~mike@pluto.dd.vaz.ru) has joined #raspberrypi
[5:05] <PiGuy> mozzwald: Would it pose safety concerns?
[5:06] <mozzwald> i think so. if you over discharge and try to recharge too fast it could make smoke
[5:06] <PiGuy> mozzwald: :(
[5:07] <PiGuy> Hopefully it has undervoltag lockout
[5:07] <PiGuy> *undervoltage
[5:07] <mozzwald> best option is to get a protection circuit for the battery. those are probably cheap
[5:07] <PiGuy> mozzwald: I can buy a seperate one and put it with the battery>
[5:07] <PiGuy> *?
[5:07] <mozzwald> yes
[5:08] <mozzwald> PiGuy: like these http://www.all-battery.com/1S_Li-Ion.aspx
[5:08] * n9jlo (~John@2601:249:200:fdd1:61c5:ceb2:c47b:3f45) has joined #raspberrypi
[5:09] <mozzwald> find one that is close to the specs of your battery
[5:09] * r_02 (~r_02@ip-174-137-10-133.swatco.com) has joined #raspberrypi
[5:10] <mozzwald> except they don't really have specs on that site you linked
[5:11] <PiGuy> mozzwald: It has 10000mah and 4.2v
[5:11] <mozzwald> but it doesn't show dis/charge rating, etc
[5:12] <mozzwald> this is probably safe http://www.all-battery.com/ProtectionCircuitModulePCBfor3.7VLi-ionBatteryPack-32135.aspx
[5:13] * Tachyon` is now known as Tach[Zzz]
[5:13] * tiox (~Brandon@d28-23-208-19.dim.wideopenwest.com) has joined #raspberrypi
[5:14] <tiox> I want to ask something silly; Is there a way one could hook up bare wire terminals to a Raspberry Pi for use as part of a home theater setup?
[5:16] <methuzla> tiox more info. what are the bare wires?
[5:16] <tiox> I know the sane way to do it would be USB sound card with some amp and other connectors I need but why go through the trouble of that when I could (in theory) use a small pre-amp and somehow hook loudspeakers up to that so I could take advantage of software EQ?
[5:16] <methuzla> so you are talking about sound out?
[5:17] <tiox> (Either via LADSPA or some other audio EQ function I forgot about because i haven't tinkered with this for ages.)
[5:17] <tiox> Yep.
[5:18] <tiox> As it stands right now I have bare wire loudspeakers connected to Panasonic's convoluted sub and DVD-player-in-an-amp setup, was wondering if that could be replaced entirely with some handiwork with a soldering iron and some fancy Linux magic.
[5:19] <tiox> (And of course a different subwoofer because.)
[5:19] <methuzla> well, you can't just hook speakers directly to the pi
[5:20] <tiox> Fair enough. Now I think about it, what I'm saying is pretty dumb because I can find a reasonable sub / amp with 5.1ch sound and connect that to the Pi, then asapt my bare wire speakers to whatever connection the sub needs.
[5:20] <tiox> Nevermind, I'm dumb.
[5:20] <tiox> s/asapt/adapt
[5:22] <tiox> It would still be pretty cool if one could rig together a small amp with bare wire terminals and use that with the Pi for a compact HTPC.
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[5:26] <r_02> Gents. I just got this: http://www.amazon.com/Samsung-Class-Adapter-MB-MP32DA-AM/dp/B00IVPU786
[5:27] <Mr_Sheesh> you thinking really primitive or decent? LM386's are cheap, but...
[5:27] <r_02> I have read its possible to get read (corruption) errors with raspberry on first apt-get upgrade.
[5:27] <r_02> thoughts? are people just idiots and messing there stuff up?
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[5:28] <tiox> r_02: Puts my purchase of a 32GB Sandisk full-fat SD card for $24 to shame.
[5:28] <r_02> Why is that, the price?
[5:29] <tiox> Yep.
[5:29] * Flutterbat (~flutterba@unaffiliated/day) Quit (Ping timeout: 256 seconds)
[5:29] * Flutterb1t is now known as Flutterbat
[5:29] <tiox> For probaby-similar Class-10 performance.
[5:29] <r_02> well its 10$ on amazon as well
[5:29] <tiox> s/probaby/probably
[5:29] <tiox> Fuckin' Wal_Mart overcharging their shit.
[5:29] <r_02> ikr
[5:30] <r_02> i got this at walmart too
[5:30] <tiox> Everyday low price my arse.
[5:30] <r_02> i just showed a link to amazon
[5:30] <r_02> hmm
[5:30] <r_02> I wonder if walmart would price match amazon
[5:30] <tiox> Probably could if you did it right.
[5:31] * jlf (~user@pdpc/supporter/active/jlf) has joined #raspberrypi
[5:31] <tiox> Doesn;t Wal-Mart does this site-to-store bollocks where you could send any item to a local Wal-Mart for holding until you go to its customer support desk?
[5:31] <tiox> Or is that exclusive to the Wal-Mart website?
[5:31] <r_02> I am not sure what you're asking
[5:31] <sedition> staples will price match
[5:32] <tiox> Thank you for that advice.
[5:32] <r_02> Price Match Policy
[5:32] <r_02> We�re committed to providing low prices every day, on everything. If a local competitor or select online competitor* is offering an identical, in-stock item for less, tell us and we�ll match it.
[5:32] <r_02> select online competitor* is the keywords there. (Walmart policy)
[5:32] <tiox> > Select
[5:33] <r_02> *Online retailers are limited to: Academy.com, Amazon.com
[5:33] <r_02> badabing badaboom
[5:35] <r_02> If I had done the price match, i could have saved 5 cents :P
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[5:45] <sedition> i dont like giving walmart money if i dont have to
[5:45] <sedition> I think i'd like to find a wood case for my Pi 2
[5:45] <sedition> My friend has one that folds open with these bendable wooden slats
[5:46] <tiox> Sweet.
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[5:58] <DBordello> What is the default path for the wpa_supplicant config. I am using the default systemd service, which does not specify a config
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[6:11] <azizLIGHT> whos got the pizero in stock?
[6:14] <methuzla> DBordello try /etc/wpa_supplicant.conf or /etc/wpa_supplicant/wpa_supplicant.conf
[6:15] <DBordello> methuzla: I tried those, it didn't seem to find it
[6:15] <methuzla> DBordello although location can be explicitly specified in /etc/network/interfaces
[6:15] <DBordello> methuzla: or really? What option?
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[6:16] <Xark> azizLIGHT: Not too many. Gotta look around and be fast. :)
[6:16] <Xark> azizLIGHT: I put in a "Notify Me" and got one from Adafruit.
[6:16] <methuzla> depends on how you are configuring this, i run wpa_supplicant via a pre-up in the iface stanza
[6:16] <azizLIGHT> oh yeah? how long was shipping Xark
[6:16] <methuzla> and use the -c flag
[6:16] <azizLIGHT> Xark: the pi zero kit or just a pi zero
[6:16] <Xark> azizLIGHT: Maybe 5 days or so.
[6:16] <azizLIGHT> ah not bad
[6:16] <DBordello> methuzla: I think systemd is starting wpa_supplicant as a standalone
[6:16] <Xark> azizLIGHT: I wanted the minimal kit.
[6:16] <DBordello> BUt hard to tell, it doesn't talk much
[6:17] * shantorn (~Shane@75-164-163-84.ptld.qwest.net) Quit (Quit: Leaving)
[6:17] <azizLIGHT> whos the us retailer for pi zero
[6:17] <methuzla> DBordello and i haven't moved to jessie yet, so haven't had to deal with systemd
[6:17] <azizLIGHT> *US
[6:17] <DBordello> methuzla: fair enough :)
[6:18] <Xark> azizLIGHT: There are a bunch. Adafruit is one. Maybe Element14?
[6:19] <azizLIGHT> Xark: this what you got? https://www.adafruit.com/product/2817
[6:19] <Xark> azizLIGHT: Yep
[6:20] <salviaD> I just pluged an external hd (bus powered), but I cannot see it when using the command blkid for example
[6:20] <salviaD> where else can I check if it is detected?
[6:20] * Xark notes it was nice to grab a RPi2 off the shelf today (Fry's). :)
[6:20] <azizLIGHT> whats a good usb-to-ethernet for the pi-zero
[6:21] <azizLIGHT> omg im salivating
[6:21] <azizLIGHT> :P
[6:21] <Xark> azizLIGHT: Same as for other RPi. Edimax is popular, or the official one.
[6:21] <methuzla> salviaD dmesg, lsusb
[6:22] <azizLIGHT> Xark: are you thinking of wifi?
[6:22] <Xark> azizLIGHT: Oh, yeah. Not sure for Ethernet (old Netgear one works for me).
[6:23] <Xark> azizLIGHT: Unless you *really* need the tiny size, RPi2 is a lot better machine (especially if you need Ethernet). :)
[6:23] <azizLIGHT> hmmmm yeah but its so cute
[6:23] <azizLIGHT> :D
[6:23] <Xark> That is is. :)
[6:23] <Xark> it is*
[6:24] <Xark> azizLIGHT: However, once you hook power, hub, wifi, keyboard, mouse it is more like an octopus. :)
[6:24] <azizLIGHT> lol yeah
[6:24] <salviaD> methuzla: I got [14900.604491] hfsplus: keylen 41366 too large
[6:26] <azizLIGHT> how is it possible to make a $5 computer
[6:26] <azizLIGHT> its kinda crazy
[6:26] <salviaD> azizLIGHT: it is not a computer until you give power to it... and as of today... internet
[6:27] <azizLIGHT> well.... i bet most people have a phone charger lying around
[6:27] <azizLIGHT> and it doesnt need internet to be a computer?
[6:28] <r_02> I wonder what this guy is doing: http://i.imgur.com/FhuQUB7.png
[6:29] <salviaD> the phone charger may be lying around, but it is not free. You can steal one from the super market $1 bucket, but again, is was a promo, and not free for the super market owner
[6:33] * c00ljs (~c00ljs@ Quit (Remote host closed the connection)
[6:34] <PiGuy> moozzwald: Do need to use this http://www.all-battery.com/ProtectionCircuitModulePCBfor3.7VLi-ionBatteryPack-32135.aspx and this https://www.adafruit.com/products/2465?
[6:34] <PiGuy> *Do I
[6:34] * methuzla (~methuzla@dsl254-017-117.sea1.dsl.speakeasy.net) has left #raspberrypi
[6:36] <PiGuy> mozzwald: ^^
[6:36] <salviaD> ok, so the pi cannot mount a bus powered usb hd?
[6:36] <salviaD> because I am testing now, and my 1tb seagate 2.5 hd only works with powered hub
[6:38] <mozzwald> PiGuy: yes, both. protection circuit is only protection. adafruit board is battery charger and output power for pi
[6:39] <r_02> So adding those two together would power/protect the Pi?
[6:40] <mozzwald> the protection circuit protects the battery
[6:41] <PiGuy> mozzwald: Great, so hook up charger to the protective circuit -> Protective circuit to the battery -> battery to the Adafruit Circuit -> Adafruit circuit to Pi?
[6:41] <mozzwald> um
[6:43] <mozzwald> battery -> (B+ B- pins) Protection Circuit (P+ P- pins) -> Adafruit Battery Input
[6:43] <r_02> http://www.all-battery.com/productimages/pcb/32135%20x450.jpg
[6:43] <r_02> B- B+ are those two contacts on either end?
[6:44] <mozzwald> yes
[6:44] <r_02> what is NTC in the middle
[6:44] <mozzwald> thermistor
[6:44] <PiGuy> mozzwald: Thanks :)
[6:46] * salviaD (~salviaD@ Quit (Quit: salviaD)
[6:46] <PiGuy> Last step is to find a charger and it is all worked out!
[6:46] <PiGuy> And hopefully it fits in the enclosure.
[6:47] <mozzwald> PiGuy: the adafruit board is a charger
[6:48] <mozzwald> or do you mean the 5v wall wart?
[6:48] <PiGuy> mozzwald: 5v wall wart :)
[6:48] <mozzwald> ok ;)
[6:48] <PiGuy> To charge the device
[6:48] <uriah> hmm... is it still an issue when one tries to access the raspi camera while trying to use i2c at the same time?
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[6:51] <r_02> https://www.adafruit.com/images/1200x900/2465-00.jpg
[6:51] <r_02> You'd snip the wires on that batter and solder in that protection curcuit and plug it into the charger?
[6:53] <r_02> battery*
[6:54] <mozzwald> r_02: yes. as long as the pack doesn't have one already
[6:54] * hepukt4e (~hep@ Quit (Remote host closed the connection)
[6:55] * yann|work (~yann@nan92-1-81-57-214-146.fbx.proxad.net) Quit (Ping timeout: 246 seconds)
[6:55] <PiGuy> Anyone know how I can get this: http://www.miniinthebox.com/focus-power-4-2v-10000mah-18650-rechargeable-lithium-ion-battery-1pcs_p3127624.html?currency=USD&litb_from=paid_adwords_shopping&litb_from=&adword_mt=&adword_ct=75415947282&adword_kw=&adword_pos=1o10&adword_pl=&adword_net=g&adword_tar=&adw_src_id=4196617767_325111122_22935469482_pla-145554309162&gclid=CjwKEAiAkb-zBRC2upezwuyguQ4SJADZG08vLHw3EiCkAwQtGxwkQMNzh61z78x0mSZZ4Uf
[6:55] <PiGuy> part of this: https://www.adafruit.com/products/2465
[6:56] <PiGuy> Maybe I can use a battery holder
[6:56] * Anorion (~Anorion@unaffiliated/saidinunleashed) Quit (Quit: Leaving)
[6:57] <r_02> mozzwald: any idea on run time?
[6:57] <PiGuy> What is the name of the type of jack they are using to connect the battery to the Adafruit board? Maybe I can find a AA holder that has that kind of jack.
[6:57] <PiGuy> Here is the adafruit board. Look at the jack the battery connects to the Raspberry Pi with https://www.adafruit.com/images/1200x900/2465-00.jpg
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[6:59] <mozzwald> PiGuy: "18650 holder" should get you something
[7:00] * Beberg2 (~Beberg@c-71-202-128-214.hsd1.ca.comcast.net) Quit (Ping timeout: 260 seconds)
[7:00] <PiGuy> mozzwald: Thanks
[7:01] * toomin (~HomoSapie@unaffiliated/toomin) has joined #raspberrypi
[7:02] <mozzwald> r_02: 20 hours if you pull 500mAh constantly. really, less if you take into account losses from the power conversion. and i dunno if I trust "10000mAh"
[7:02] * InfoTest (~Thunderbi@tgn.149.27.54.dts.mg) has joined #raspberrypi
[7:03] <r_02> PiGuy: 2-pin JST connectors
[7:03] <r_02> Might be the connector they are using.
[7:04] <uriah> "do not charge this battery unattended"
[7:04] <uriah> ;D
[7:04] <uriah> https://www.adafruit.com/products/353
[7:04] <PiGuy> r_02: Your right, thanks :)
[7:05] <PiGuy> uriah: Thanks :) I am looking for something a little bigger. I am looking for 10000mAh+
[7:05] <uriah> just saying... be careful, with any batt :P
[7:05] <PiGuy> I found a 10000mAh luckily :)
[7:05] <uriah> well, with any li-ion/poly batt
[7:05] <PiGuy> uriah: Thanks I will :)
[7:06] <PiGuy> Yeah I will definitely try to do all of the battery testing outside.
[7:06] <uriah> good idea
[7:06] <PiGuy> Hope nothing goes wrong
[7:06] <PiGuy> :)
[7:06] <ShorTie> best to put them in a bucket of sand to charge
[7:06] <uriah> or in a garage with the door open
[7:06] <uriah> ShorTie: that's a good idea
[7:06] <uriah> ShorTie: i suppose i could get a box of gorilla glass instead too
[7:06] <uriah> and just put it inside my device
[7:07] <PiGuy> ShorTie: At least for the first couple of charges and discharges
[7:08] <uriah> ShorTie: what if i want to charge the batts inside a metal box (insulated of course) ?
[7:08] <uriah> do you think a box filled with sand to keep them in would be ok?
[7:08] <uriah> like for a completed project
[7:09] <uriah> say, maybe 1 inch of sand on each side of the batt...
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[7:09] <ShorTie> a small lipo battery, like 300ma, has the fire power of a gallon of gas
[7:09] <uriah> hmm...
[7:09] <uriah> what about li-ion?
[7:10] <ShorTie> haven't really heard of horror stories about them
[7:10] * ctrlshftn-away is now known as ctrlshftn
[7:10] <uriah> ok
[7:10] <uriah> they can still be dangerous though
[7:11] * jektrix (~jektrix@203-214-47-145.dyn.iinet.net.au) has joined #raspberrypi
[7:13] * leio (~leio@gentoo/developer/leio) Quit (Ping timeout: 256 seconds)
[7:14] <Mr_Sheesh> none of those are near as dangerous as a POed cook tho
[7:14] * Svardskampe (~Svardskam@185-14-ftth.onsnetstudenten.nl) has joined #raspberrypi
[7:15] <PiGuy> ShorTie: what about a 10 Amp Li-Po
[7:15] <PiGuy> *Li-Ion
[7:15] <uriah> 10 amp-hour* ?
[7:15] <PiGuy> Yes
[7:16] <PiGuy> *10 Ah
[7:16] <PiGuy> or 10000ma
[7:16] <uriah> PiGuy: look at the max charge/discharge rates and make sure that you can charge them at 1A, since that charger has a max charge rate of 1A
[7:17] <PiGuy> uriah: For the battery and the charger?
[7:18] <uriah> yeah
[7:18] <uriah> the charger you linked to from adafruit does 1A
[7:18] <uriah> so make sure your max charge rate on the ebay battery is above that
[7:20] <PiGuy> uriah: Alright I wil check
[7:20] <uriah> :)
[7:20] <uriah> PiGuy: oh, sorry that wasn't from ebay
[7:20] <uriah> PiGuy: your miniinthebox link i mean
[7:20] <PiGuy> uriah: It's alright :(
[7:20] <PiGuy> *:)
[7:20] * normalra (~normal@unaffiliated/normalra) Quit (Ping timeout: 240 seconds)
[7:20] <uriah> :>
[7:21] <PiGuy> It's a shame, they didn't post almost ANY specs on the battery :/
[7:21] <uriah> hmm...
[7:21] <uriah> not sure i'd trust it
[7:21] <PiGuy> uriah: Me neither
[7:21] <r_02> http://i.imgur.com/3J3sQBW.png
[7:21] <uriah> unless there's some pdf document about it somewhere
[7:22] <PiGuy> If I can find another one with the spec I will probably go with it.
[7:22] <PiGuy> Cool r_02 :)
[7:22] <r_02> 20 hours i think could be extended to for ever with that
[7:23] * cagmz (~cagmz@cpe-76-95-140-68.socal.res.rr.com) Quit (Read error: Connection reset by peer)
[7:23] <PiGuy> r_02: Yeah man
[7:24] <djazz> Made a little weather station pi in my garage http://imgur.com/KFQ9hVo :)
[7:25] * leio (~leio@gentoo/developer/leio) has joined #raspberrypi
[7:26] <djazz> http://imgur.com/eQwT8bI
[7:27] * derk0pf (~derk0pf@p5DDB657B.dip0.t-ipconnect.de) has joined #raspberrypi
[7:30] <uriah> http://andijcr.github.io/blog/2014/07/31/notes-on-trinket-on-ubuntu-14.04/
[7:30] <uriah> perfect for my project of one-way communication between two pis i think
[7:31] <uriah> i'm kind of too lazy to get straight up gpio to gpio working i think
[7:31] <uriah> so one side will send signals via usb, the other will listen to them via spi
[7:31] <uriah> and the trinket will check if the data coming from usb is valid
[7:32] <uriah> it will be uniform, so that'll be easy to do
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[7:43] * REiN (REiN@ Quit (Excess Flood)
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[7:43] * REiN (REiN@ Quit (Excess Flood)
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[7:44] * REiN (REiN@ Quit (Excess Flood)
[7:44] * rominronin (~rominroni@178-191-53-218.adsl.highway.telekom.at) has joined #raspberrypi
[7:44] * rominronin (~rominroni@178-191-53-218.adsl.highway.telekom.at) Quit (Client Quit)
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[7:46] <PiGuy> I'm on the hunt for a 26 to 26 pin male to female ribbon cable.
[7:46] <PiGuy> Also a 10000mAh Battery with specs
[7:47] <uriah> using a model b?
[7:47] <PiGuy> uriah: Yes RasPi2 Model B
[7:47] <uriah> oh ok
[7:47] <uriah> why not 40pin?
[7:48] <PiGuy> uriah: I am connecting an LCD and also using the other pins for adding stuff like buttons, etc
[7:48] <uriah> ah ok
[7:48] <uriah> what're you working on anyway? xD
[7:48] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) has joined #raspberrypi
[7:48] <PiGuy> uriah: I want to make my RasPi even cooler :D
[7:49] <PiGuy> So here I am
[7:49] <uriah> by doing what with it? :P
[7:49] <sedition> draw flames on it
[7:49] <uriah> lol
[7:49] <uriah> put led's under it
[7:49] <uriah> or in the wheels
[7:49] <sedition> haha yeah like early 2000s case bling
[7:49] <PiGuy> sedition: Then it would be hotter B)
[7:49] <uriah> put a huuuuuuuge spoiler on the back of it
[7:51] * brethil (~brethil@ Quit (Quit: Quitting existence)
[7:54] <PiGuy> uriah: I couldn't find any information on the max charge rate on the battery
[7:54] <PiGuy> It might just be a generic brand
[7:55] <PiGuy> Most if not all AA's I have seen has a current of more than 1.5a
[7:55] <PiGuy> *1a
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[7:56] <qubitnerd> brace yourself starwars spoilers are coming
[7:56] <uriah> han, luke and leah die
[7:56] <uriah> :P
[7:56] <uriah> just kidding, i haven't seen it
[7:56] * DigiSaint (4404631a@gateway/web/freenode/ip. has joined #raspberrypi
[7:56] <uriah> oh chewy has children!
[7:56] <uriah> haha
[7:57] <uriah> there's an army of chewbacca's yelling at han now
[7:57] <DigiSaint> anyone here familiar with working with water pumps in a project? I bought a 5v aquarium pump and I've got it working, but when its off it allows water to pass through - which doesn't work for my project
[7:57] <DigiSaint> hoping someone could recommend something
[7:58] * Tera2342 (~Tera2342@ Quit (Ping timeout: 265 seconds)
[7:58] <uriah> DigiSaint: do you have a link to the pump you're using?
[7:59] <DigiSaint> this is the one im using http://www.amazon.com/URBEST%C2%AEDC-3-12V-Pumping-Electric-RS-360SH/dp/B00N2KHNRS/
[8:00] * Tronsha is now known as [UPA]Stefan
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[8:01] <uriah> hmm...
[8:02] <uriah> DigiSaint: so, you have a tube attached to it, right?
[8:02] * Kamilion (kamilion@copper.sllabs.com) has joined #raspberrypi
[8:02] <uriah> can you take a video of the water going through even though the motor is off?
[8:03] <DigiSaint> yes, I have tubes on both ends, one to a water reservoir and the other going out to a potted plant
[8:03] * x29a (~x29a@unaffiliated/x29a) has joined #raspberrypi
[8:03] <DigiSaint> it would be a very boring video, the water slowly drains up the tube from the reservoir and out after the pump has run once
[8:04] * JakeSays (~jake@chat.thatswhatjakesaid.com) Quit (Ping timeout: 246 seconds)
[8:04] <DigiSaint> after about 40 minutes an entire 1 liter bottle of water passed through
[8:05] <uriah> hmm...
[8:05] <uriah> https://www.google.ca/search?q=siphon&oq=siphon&aqs=chrome..69i57.2406j0j1&sourceid=chrome&es_sm=93&ie=UTF-8
[8:05] * JakeSays (~jake@chat.thatswhatjakesaid.com) has joined #raspberrypi
[8:06] * ch007m (~chm@ip-83-134-33-146.dsl.scarlet.be) has joined #raspberrypi
[8:06] <DigiSaint> yeah, thats my assumption also - it primes the first time it runs and slowly siphons out
[8:06] <uriah> DigiSaint: try putting the water reservoir lower than the plant
[8:06] <uriah> if that's not already the case
[8:06] * utack (~utack@2a02:810a:913f:d088:d63d:7eff:fedb:b2eb) Quit (Ping timeout: 255 seconds)
[8:06] <DigiSaint> tried that also, the water reservoir is below it
[8:07] <uriah> ok
[8:07] * utack (~utack@2a02:810a:913f:d088:d63d:7eff:fedb:b2eb) has joined #raspberrypi
[8:07] <DigiSaint> it travels up about 1.5ft of tubing to the pump and then out from the pump
[8:07] * qubitnerd (~neutrino@unaffiliated/electron/x-8286743) Quit (Ping timeout: 246 seconds)
[8:07] <DigiSaint> let me see if i can grab a picture
[8:07] <uriah> ok
[8:08] * bortzmeyer (~stephane@2a01:e35:8bd9:8bb0:21e:8cff:fe76:29b6) has joined #raspberrypi
[8:08] <Kamilion> DigiSaint: something like a pulser pump? https://www.youtube.com/watch?v=QOn7Zu3CCxo
[8:09] * netzfisch (~Thunderbi@x55b061fb.dyn.telefonica.de) has joined #raspberrypi
[8:12] <DigiSaint> http://imgur.com/8ed950C
[8:12] <uriah> nice pint glass :)
[8:12] * netzfisch (~Thunderbi@x55b061fb.dyn.telefonica.de) Quit (Client Quit)
[8:12] <DigiSaint> thats the overflow right now :)
[8:13] * Jimbocuzzi (~chatzilla@cpe-76-92-132-19.kc.res.rr.com) has joined #raspberrypi
[8:13] <uriah> hmm...
[8:13] <DigiSaint> im making a litter "water tower" that has a moisture sensor in a potted plant and it automatically waters the plants when it reaches a moisture threshold
[8:13] <uriah> cool
[8:13] <uriah> where's the plant though?
[8:14] <DigiSaint> heh, almost killed it the first time i left it out there
[8:14] <DigiSaint> nearly drowned
[8:14] <uriah> oh... :-/
[8:14] <DigiSaint> so i brought it back in
[8:15] <uriah> DigiSaint: was it on the table?
[8:16] <DigiSaint> plant is in a little hanging planter on the fence of my front porch
[8:16] <DigiSaint> so it was maybe, 2ft above the tower
[8:16] <uriah> ok
[8:16] <uriah> are you certain that the pump motor isn't running at ultra low power or something?
[8:16] <DigiSaint> i was looking at the pumps people used in those automatic bartender projects
[8:17] <DigiSaint> http://www.amazon.com/Dosing-Peristaltic-dosing-Aquarium-Analytical/dp/B00HLCOXFI this one looks similar, but its 6v
[8:17] <DigiSaint> hmm, i dont hear it running and i have it switched with a transistor
[8:17] <DigiSaint> i suppose its possible
[8:17] <Kamilion> hacker dojo ran a coke sponsored competition that used a lot of those pumps
[8:17] <Kamilion> I think it's still documented on their wiki
[8:17] * Jimbocuzzi (~chatzilla@cpe-76-92-132-19.kc.res.rr.com) Quit (Ping timeout: 240 seconds)
[8:18] <Kamilion> (peristatic pumps)
[8:18] * mumixam (~m@unaffiliated/mumixam) Quit (Ping timeout: 250 seconds)
[8:18] <DigiSaint> Kamilion: thanks, ill check that
[8:19] <DigiSaint> that video you posted looks like what might be happening here
[8:19] <Kamilion> it's kind of old and low quality; sorry about that.
[8:20] <DigiSaint> even the ms paint animations are helpful heh
[8:20] <Kamilion> pulser pumps have a real obvious sound to them
[8:20] <Kamilion> you can hear the 'guuuulUNNNK' as the air bubbles pull more water through
[8:21] <Kamilion> i think the general concept is called a hydrostatic ram?
[8:21] <Kamilion> https://en.wikipedia.org/wiki/Water_hammer
[8:22] * Kamilion happened across a bunch of stuff like that while he was researching nuclear reactor designs
[8:23] * mike_t (~mike@pluto.dd.vaz.ru) Quit (Remote host closed the connection)
[8:23] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 246 seconds)
[8:23] <Kamilion> DigiSaint: you might also have good luck with what's called a Tesla Valve
[8:23] <Kamilion> https://www.youtube.com/watch?v=rYlP5TEKf2w
[8:24] <Kamilion> you can then use a regular pump, and the tesla valve works as a one-way valve.
[8:24] <Kamilion> http://www.shapeways.com/product/HLJF7HXDM/tesla-valve
[8:25] <Kamilion> Hope that provides you with some interesting research materials... :D
[8:26] <DigiSaint> heh, every step of this project has been an education
[8:27] <PiGuy> I couldn't find a battery that has more than or equal to 10000mAh (8000 mAh at least), has a maximum current rating higher than 1A, and also small. And It would be great if it came with a protective circuit built in.
[8:27] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Remote host closed the connection)
[8:27] <pigrit> looks like it's time to build an arc reactor
[8:27] <PiGuy> uriah: Would this protect me from sending more than the maximum current to a battery? http://www.all-battery.com/ProtectionCircuitModulePCBfor3.7VLi-ionBatteryPack-32135.aspx
[8:28] <Kamilion> PiGuy: these are the largest capacity cylindrical cells I'm aware of. http://www.batteryspace.com/linimnco-26650-rechargeable-cell-3-6v-5ah-18wh-15a-rated---un38-3-passed--.aspx
[8:28] <Kamilion> PiGuy: If prismatic cells are acceptable, here's a 20 amphour. http://www.batteryspace.com/lifepo4-prismatic-module-3-2v-20-ah-10c-rate-64-wh-6-0---un38-3-passed-dgr.aspx
[8:29] <PiGuy> Kamilion: Thanks :)
[8:29] * mike_t (~mike@pluto.dd.vaz.ru) has joined #raspberrypi
[8:29] <DigiSaint> PiGuy: don't know much about what youre building, but I've had pretty good luck with cell phone battery charger packs. 10000mah, 5v and 2.1 amp
[8:30] <PiGuy> DigiSaint: That would work
[8:30] <PiGuy> DigiSaint: Where can I get one?
[8:30] <Kamilion> pigrit: have a look at the ECat LENR (Low Energy Nuclear Reactor) https://www.youtube.com/watch?v=U0Hxl_HOCZU
[8:30] * elsevero (~elsevero@ has joined #raspberrypi
[8:30] <DigiSaint> im using one of these on my project right now http://www.amazon.com/KMASHI-10000mAh-External-Portable-Powerful/dp/B00JM59JPG/
[8:31] <Kamilion> pigrit: It forces hydrogen atoms into a nickel and lithium lattice. Putting a little bit of thermal energy in using an electrical heater ends up triggering an exothermic reaction around 800C that can be sustained for several weeks.
[8:32] <uriah> PiGuy: i don't really know enough about batteries to answer that question probably
[8:32] <Kamilion> DigiSaint: note: that's probably three 3200mAh cylindrical cells.
[8:32] * longbeach (~mike@AAubervilliers-654-1-53-14.w83-199.abo.wanadoo.fr) Quit ()
[8:32] * mumixam (~m@unaffiliated/mumixam) has joined #raspberrypi
[8:32] <PiGuy> DigiSaint: Thanks . It's a little too big for my enclosure
[8:33] <DigiSaint> might be able to break it open to fit a form factor, but yeah they're about the size of a cell phone and twice as thick
[8:34] <Kamilion> http://www.batteryspace.com/linimnco-polymer-battery-3-7v-10ah-10059156-5c-37wh-8a-rate-rechargeable-battery.aspx
[8:34] <Kamilion> some use polymer pouch batteries like this.
[8:34] <Kamilion> But there's your 10aH
[8:34] <Kamilion> it has a protection PCB, and it's limited to 8 amp draw.
[8:35] <Kamilion> http://www.batteryspace.com/PCB-for-3.7V-Li-Ion-Battery-8.0A-limit.aspx
[8:35] * Svardskampe (~Svardskam@185-14-ftth.onsnetstudenten.nl) Quit (Read error: Connection reset by peer)
[8:35] <pigrit> Kamilion: between the language and plain not understanding what I'm looking at, I didn't quite get what I was looking at, but it seems awfully bulky to wear
[8:35] <Kamilion> I've worked with batteryspace several times for robotics projects, they're in fremont california
[8:35] <PiGuy> We'll I'm tired thanks for all the help everyone, see you later! :D
[8:35] <Kamilion> pigrit: okay, what part are you needing further understanding with?
[8:36] * JK-47 (RJ@2600:3c03::f03c:91ff:fe73:fc8) Quit (Quit: Leaving.)
[8:36] <Kamilion> http://www.batteryspace.com/custom-battery-pack.aspx <-- batteryspace has a large amount of documentation... if you need to know something specific, I can probably point you at it.
[8:37] <Kamilion> Powerstream is my other major source -- but for chargers. http://www.powerstream.com/lead-acid-charger-Catalog.htm
[8:37] <pigrit> they were applying nearly 800C to start with, were they not ?
[8:38] <Kamilion> pigrit: for which spec?
[8:38] <pigrit> in the video
[8:38] <Kamilion> oh, oh, the ecat
[8:38] <Kamilion> sorry, I thought you were asking about the lithium batteries.
[8:38] * MonkehParade (~Fishy@unaffiliated/monkehparade) has joined #raspberrypi
[8:39] <pigrit> well that's what we started from, batteries
[8:39] <Kamilion> pigrit: yes, once the minimum temperature is reached, the actual exothermic reaction begins and brings the temperature up further. some of the earlier tests reached 1700C, one of them reached 2100C and broke the unit
[8:39] <pigrit> ooo
[8:39] <Kamilion> once the reaction begins, you can remove the electrical heating input as well
[8:39] <Kamilion> and the reaction will sustain for a long period as long as the hydrogen flow is continued.
[8:40] * PiGuy (18669026@gateway/web/freenode/ip. Quit (Ping timeout: 252 seconds)
[8:40] <Kamilion> it's basically the same geothermic reaction powering earth's core -- molten nickel, sulfur, and hydrogen.
[8:40] <pigrit> "into a nickel and lithium lattice" what
[8:40] <Kamilion> nickel powder with lithium flakes, compressed into a brick.
[8:40] <pigrit> tube ? pipe ? ball ?
[8:40] <pigrit> oh
[8:40] <Kamilion> the finer the nickel powder, the better it seems to work
[8:40] <pigrit> how do you feed hydrogen to a brick
[8:41] <Kamilion> then hydrogen is pumped into it
[8:41] <Kamilion> it's still gas permeable.
[8:41] <Kamilion> think of it like charcoal filtering water.
[8:41] <pigrit> right
[8:41] <Kamilion> only you have nickel filtering hydrogen
[8:41] <pigrit> so you heat up the brick while you blow hydrogen on it, and then turn the flame off and the brick goes up to 2000C
[8:41] <Kamilion> the reaction moves electrons from the hydrogen into the nickel, which results in copper.
[8:42] <pigrit> until all the nickel is copper and the brick goes off
[8:42] <Kamilion> so at the end of the reaction, you have a bunch of copper powder with lithium flakes.
[8:42] <Kamilion> yep.
[8:42] <pigrit> intriguing
[8:42] <pigrit> not currently in use anywhere I guess ?
[8:42] <Kamilion> and all of this is occuring at such a low energy level that it's not generating any harmful radiation.
[8:43] <Kamilion> the inventor built a couple power plants in europe, but I don't think he actually got regulatory approval to feed their output into the grid yet.
[8:43] <Kamilion> http://ecat.com/ http://ecat.com/news/e-cat-patent-granted-by-uspto
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[8:43] <pigrit> can it however generate a fireball to engulf the neighbourhood
[8:43] <Kamilion> the patent lists it as a "fluid heater"
[8:43] <Kamilion> negative.
[8:43] <pigrit> sweet
[8:44] <Kamilion> not unless there's a hydrogen leak
[8:44] * troulouliou_div2 (~troulouli@unaffiliated/troulouliou-div2/x-0271439) has joined #raspberrypi
[8:44] <pigrit> that's definitely one thing you want to keep an eye on
[8:44] <Kamilion> and honestly? they're building a hydrogen gas station right down the street from me.
[8:44] <Kamilion> I'd be more worried about some chump driving his overly-large lifted pickup truck into the fueling station
[8:45] <Kamilion> hurr, hurr, this is murrica, i can park anywhere I wan*BOOOOOOOOOOOOOOM*
[8:45] <pigrit> yeah if he drove into a small sun instead at least it'd only wreck the truck
[8:45] <pigrit> the heat of the brick then heats water, or what
[8:45] <Kamilion> either way -- the atmosphere has plenty of hydrogen in it, and it's only a risk if it's contained within a structure./
[8:46] <pigrit> in the end we always go back to steam
[8:46] <Kamilion> yeah, just like a classic nuclear reactor, the heat boils water, the steam runs a turbine, viola, electricity.
[8:46] <Kamilion> yep.
[8:46] <pigrit> it's kind of cute
[8:46] <Kamilion> well, in this case, the temeratures are in the range of molten salt
[8:46] <Kamilion> so that would be a likely candidate
[8:46] <pigrit> whatwhat ?
[8:46] <pigrit> heating salt ?
[8:46] <Kamilion> http://reneweconomy.com.au/2015/worlds-biggest-solar-tower-storage-plant-to-begin-generation-this-month-22860
[8:47] <Kamilion> http://www.theaustralian.com.au/business/mining-energy/molten-salt-storage-gives-push-to-us-solar-power/story-e6frg9df-1226843924302
[8:48] <Kamilion> https://www.youtube.com/watch?v=LMWIgwvbrcM <--- five minute video on it.
[8:49] <pigrit> I didn't know salt melted
[8:49] <Kamilion> at around 800C. :D
[8:49] <Kamilion> and it's an incompressable liquid, I believe.
[8:50] <pigrit> so the salt gives off steam, or the salt stays hot in order to heat up water ?
[8:50] <Kamilion> Note: I AM NOT AN EXPERT! just an enthusiast.
[8:50] <Kamilion> I think they still go back to steam at the end
[8:50] <Kamilion> to run the turbines
[8:50] <pigrit> the 2nd link mentions the salt keeps things running for 6 hours after sundown
[8:51] <Kamilion> Video says it goes into a molten salt tank at "five hundred and sixty five degrees"
[8:51] <pigrit> I'm guessing it's just a medium to store heat rather than give steam itself
[8:51] <Kamilion> "The energy stored as heat, can run the turbines, sixteen hours, full speed."
[8:51] <Kamilion> https://youtu.be/LMWIgwvbrcM?t=130
[8:52] <Kamilion> there's the infographic part of the video.
[8:52] <pigrit> still
[8:52] <pigrit> too bulky for wear
[8:52] <Kamilion> aye.
[8:52] <Kamilion> This is something vehicle sized, I think.
[8:52] <Kamilion> the actual ECat device is a tube about a foot long and three inches thick.
[8:53] <pigrit> people often miss (what kinda people do I talk with ??) that's the whole crux of the ironman armor
[8:53] <pigrit> it's all about the battery
[8:53] <pigrit> all the rest is gizmos
[8:53] <Kamilion> The arc reactor is still a fictional device.
[8:53] <Kamilion> everything else in the iron man suit is solid science.
[8:53] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) Quit (Remote host closed the connection)
[8:53] <pigrit> with enough portable energy it'd be child's play
[8:54] <pigrit> for them with enough degrees in engineering ofc
[8:54] <pigrit> I suppose you could make one with a very long cable
[8:54] <Kamilion> Well, the larger problem is energy storage density
[8:54] <Kamilion> Anything with a suitably high energy density is also normally fairly heavy
[8:55] <Kamilion> in theory, the energy contained within a gallon of water could run an entire city if we had something that was 99.55% efficient.
[8:55] <pigrit> and here we are instead with the pi turning wifi off if the usb hd gets too aggressive
[8:55] <Kamilion> (and of course, a low-power city, using efficient technoligies like LED lighting)
[8:56] <Kamilion> ... Well, that's what you get for basing your design around a ten year old set top TV chip.
[8:56] * Kamilion shrugs and grins
[8:56] <pigrit> I love the tiny pcs but they exasperate me
[8:57] <Kamilion> the hardware, or the linux operating system?
[8:57] <Kamilion> sorry
[8:57] <Kamilion> linux kernel with GNU userspace
[8:57] <pigrit> hih hih
[8:57] * Kamilion excludes android
[8:57] <Kamilion> that's a 3 clause BSD userspace
[8:57] <Kamilion> cause google is scared of the GPL :D
[8:58] <pigrit> it's most certainly both
[8:58] <Kamilion> BIONIC or glibc, though, either way, it's still like beating your head against a running hedge trimmer.
[8:59] <Kamilion> no, Android doesn't have any GPL components that I'm aware of outside of the GPLv2 licensed linux kernel.
[8:59] <pigrit> figuring out things is much like trying to learn C++ with a random textbook/compiler pairing
[8:59] * Kamilion stares squarely at Mark Williams C for the Atari ST
[8:59] <pigrit> the tutorials, examples, manuals, what have you, are always this much off the version of whatever you've got at hand
[8:59] <Kamilion> so much childhood lost...
[9:00] <Kamilion> https://en.wikipedia.org/wiki/Mark_Williams_Company <--- I also had a copy of their unix clone, Coherant, but I never did get it to work. :M
[9:00] <pigrit> so something that took the author 2 minutes to do, takes you 2 days of google
[9:00] <Kamilion> heh, that's why I stopped bothering with C++ and C.
[9:00] * Albori (~Albori@64-251-151-212.fidnet.com) Quit (Ping timeout: 272 seconds)
[9:01] * toomin (~HomoSapie@unaffiliated/toomin) Quit (Quit: I wish I was a glow worm, a glow worm's never glum, 'cause how can you be lonely when the sun shines out your bum?)
[9:01] <pigrit> I blame the authors of everything for most of it
[9:01] <Kamilion> Too much pain to bother malloc/free myself when I can let Rust or python do it for me.
[9:01] * nighty^ (~nighty@q029220.ppp.asahi-net.or.jp) Quit (Quit: Disappears in a puff of smoke)
[9:01] * mlelstv (~mlelstv@2001:a60:f053:404:221:ccff:fe5f:be53) has joined #raspberrypi
[9:01] <pigrit> everyone should detail their current environment before writing a tutorial of anything technical
[9:01] <Kamilion> well, sure, then we would have never gotten PHP
[9:02] <Kamilion> http://www.i-programmer.info/news/98-languages/6758-the-reason-for-the-weird-php-function-names.html
[9:02] <Kamilion> Back when PHP had less than 100 functions and the function hashing mechanism was strlen(). In order to get a nice hash distribution of function names across the various function name lengths names were picked specifically to make them fit into a specific length bucket.
[9:02] <Kamilion> *PHP sorted it's function calls by the length of the function name.*
[9:02] <pigrit> but php is chill, it might have developed like a freak but it's all documented and it works
[9:03] * tomeff (~tomeff@ip-89-176-75-234.net.upcbroadband.cz) has joined #raspberrypi
[9:03] * Albori (~Albori@64-251-151-212.fidnet.com) has joined #raspberrypi
[9:03] <Kamilion> yeah, of course, that was the early days before PHP5.1 started killing off a lot of the PHP4 idiocy
[9:03] <pigrit> with C++ if you have the "wrong" compiler your textbooks are no use
[9:03] <Kamilion> I still won't touch it no matter how much you pay me though. I don't care if it's PHP7 or PHP9, the taint will never go away.
[9:03] <Kamilion> depends -- if they're C++11, they should all accept ANSI C
[9:04] <pigrit> things may have changed, I stopped trying many years ago
[9:04] <Kamilion> anything that doesn't support at least C++11, yeah, you'll probably have all kinds of idiot compatibility problems with.
[9:04] <r_02> my cake is almost done :)
[9:04] <pigrit> yay
[9:05] <mlelstv> isn't it more like php-version-that-can-still-be-trusted-for-a-few-hours ?
[9:05] <Kamilion> pigrit: but, also, C++ was a very different beast in the 1980s and 1990s -- there was a million architectures to support... ARM, MIPS, PowerPC, intel, motorla 6800/68k, Super-H...
[9:05] <Kamilion> some of the processors had different register conventions...
[9:05] <pigrit> could be, could be
[9:05] <Kamilion> some supported asm mnemonics others did not...
[9:05] <Xark> Kamilion: That is still mostly true.
[9:06] <pigrit> but I have to defend php, I do it for a living
[9:06] <Kamilion> Xark: Except for the fact that these days almost eveyrthing you see is amd64 and ARMv5/v7
[9:06] <Kamilion> Xark: you simply do not see the MIPS machines anymore, powerPCs have dropped into being an accessory core instead of a CPU, Super-H is just plain gone...
[9:06] <Xark> Kamilion: However, C++ sucked in its first few incarnations. I know, I bought the very first commercial C++ compiler (Lattice C++ for Amiga [based on cfront]).
[9:06] <mlelstv> because importing binary viruses is much easier
[9:07] <Xark> Kamilion: Wrong. You aren't looking very hard.
[9:07] <Kamilion> No, I'm looking in consumer spaces
[9:07] <Kamilion> there's still plenty of industrial control systems using them.
[9:07] <mlelstv> well, the last C++ version that was usuable was called cfront :)
[9:07] <Kamilion> those are normally spec'd for a far longer service life than consumer goods
[9:07] <Xark> Kamilion: MIPS is in lots of routers (even consumer ones), PowerPC is going strong (and is in consumer Xbox 360 and PS3). etc.
[9:08] <Kamilion> Xbox one and PS4 are both amd64.
[9:08] <Kamilion> 360 and PS3 no longer exist in the eyes of their parent companies.
[9:08] * Armand (~armand@2a01:9cc0:40:6:78f6:1fdb:e4e6:6e8f) has joined #raspberrypi
[9:08] <Xark> Kamilion: I am aware, I did not mention those systems (I am a game developer, BTW). Games are still being made for older systems (and they are still being sold)>
[9:08] <Kamilion> I work on openwrt a lot -- most of the newer hardware is all ARM based, MIPS lost the battle
[9:08] <Kamilion> Aye, there's still folks making NES games.
[9:09] <Kamilion> ARM's easier to license, AMBA's easier to impliment peripherals with
[9:09] <Xark> Kamilion: Well, I assert that a reduced number of architectures is not what helped C/C++. :)
[9:09] <Kamilion> there's still plenty of soft MIPS cores too
[9:09] <Kamilion> you find them a LOT in fpga solutions
[9:09] * Xark is coding for a MIPS soft core ATM. :)
[9:09] <Kamilion> well, they're certainly not on the desktop anymore
[9:09] * mreznik (mreznik@nat/redhat/x-vodmotyppcfzvhkh) has joined #raspberrypi
[9:09] <Kamilion> not like my old MIPS R10k workstation
[9:10] * Kamilion sighs
[9:10] <Kamilion> I miss my SGI. :<
[9:10] <Kamilion> but it's worthless now
[9:10] <Xark> Kamilion: Yeah. I really like MIPS. It is not dead yet, but I fully agree it is a (far) underdog. :)
[9:10] <Kamilion> there's nothing useful to run on it that I cannot run on a linux system at a fifth the wattage.
[9:10] <Kamilion> I <3 motorola 68k
[9:10] <Kamilion> I could probably still bash together a basic program even today, 20 years after I last touched it
[9:11] <Xark> Kamilion: Yeah, that was the first good CPU for micros IMHO.
[9:11] * MonkehParade (~Fishy@unaffiliated/monkehparade) Quit (Ping timeout: 260 seconds)
[9:11] <Xark> (not that 8-bits weren't cool for their time...)
[9:11] <Kamilion> AVR's still a nice architecture for micros
[9:11] <Kamilion> better than Z80, IMH
[9:12] <Xark> Kamilion: I started my career on 6502 (Atari 2600), so I have coded for most popular architectures over the years.
[9:12] <Kamilion> rather happy that Z80 and all the 8051 cores kind of evaporated... you still find an 8051 every so often, even in new USB 3.0 gear from cypress semi
[9:12] <Xark> Oh yeah, AVR is miles head of Z-80 (or any of the classic 8-bit - 6809 was pretty slick though)./
[9:12] <Kamilion> but they're almost always used as simple DMA directors
[9:12] * sulaiman (~sulaiman@ has joined #raspberrypi
[9:12] <sulaiman> hello.
[9:12] <Kamilion> you're not moving the data through the CPU registers
[9:13] <Kamilion> "yeah, yeah, another 8mbit to DMA, accepted!"
[9:13] <Xark> Kamilion: Heh, you might have an 8051 in your wallet (running smart card etc., or maybe SD card). :)
[9:13] <Kamilion> nope
[9:13] <Xark> 8051 is still darn common (e.g., as crypto co-processor)
[9:13] <mlelstv> except for the crypto parts :)
[9:14] <Kamilion> again, it's not doing the work itself; just minding the DMA controller
[9:14] <Kamilion> arbitrating bus accesses, ETC
[9:14] <Xark> Sounds like work to me. :)
[9:14] <sulaiman> installing opencv3 from source on my RPi2 takes a while, and i'll be installing it on multiple RPi2's, would it be possible to use something like virtual box to install things, and then make an image out of the virtual instance to use on the RPi2?
[9:14] <Kamilion> sec, lemme pull the diagram of the cypress I was talking about
[9:15] <Kamilion> http://www.cypress.com/products/ez-usb-fx2lp
[9:15] <Kamilion> we can see the 8051 isn't even really in the data path at all.
[9:15] <Kamilion> (and this controller's known to max the USB2.0 bus and still have a bit of slack)
[9:16] <Xark> Kamilion: Okay, for those funky Cypress USB parts. But plenty of 8051s all over (doing menial computing tasks).
[9:16] <Kamilion> oh yeah, yeah, absolutely.
[9:16] <Xark> (and the 8051 can do things on those if needed)
[9:16] <Kamilion> Just pointing out that one as one of the most modern 8051 based designs I'm aware of at the moment.
[9:16] * Xark notes FX3 is ARM. :)
[9:16] * Kamilion nods
[9:16] <Kamilion> got any experience in it?
[9:16] * mike_t (~mike@pluto.dd.vaz.ru) Quit (Remote host closed the connection)
[9:17] <Kamilion> sulaiman: yes, you can make a master image and clone it to multiple SDs.
[9:17] <Kamilion> sulaiman: just make sure you alter some stuff in each image
[9:17] <Xark> Kamilion: No, but it is a semi-popular USB interface for FPGA.
[9:17] <Kamilion> sulaiman: one moment, lemme get you the minimal list
[9:17] * Xark has FX2lp boards, but hasn't done much with them...
[9:17] <Kamilion> sulaiman: https://github.com/kamilion/kamikazi-core/blob/master/resources/wily/mods/usr/share/initramfs-tools/scripts/casper-bottom/18kamikazi_restore
[9:18] * DigiSaint (4404631a@gateway/web/freenode/ip. Quit (Quit: Page closed)
[9:18] * kolla_ (~kolla@brendeholten.uninett.no) Quit (Quit: Textual IRC Client: www.textualapp.com)
[9:18] <Kamilion> sulaiman: /var/lib/dbus/machine-id needs to be regenerated, /etc/sshd/sshd_* needs to be regenerated...
[9:18] * InfoTest (~Thunderbi@tgn.149.27.54.dts.mg) Quit (Ping timeout: 240 seconds)
[9:19] <Kamilion> sulaiman: I think there's one more unique ID that need to be changed
[9:20] <Kamilion> oh, /etc/hosts needs a unique hostname as well as /etc/hostname for quite a number of applications that deal with discovery via DNS like http://serfdom.io/
[9:20] <Kamilion> sulaiman: I think that should about do it though. Does that answer your question?
[9:20] <sulaiman> Kamilion, thanks a lot.
[9:21] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[9:22] <Kamilion> sulaiman: another hint, to get around the SSH host keys, you can call "dpkg-reconfigure openssh-server" as root to ask openssh to generate them if they don't exist.
[9:22] <Kamilion> sulaiman: https://github.com/kamilion/kamikazi-core/blob/master/tools/wily/boot/kamikazi-vswitch.sh#L74
[9:22] * troulouliou_div2 (~troulouli@unaffiliated/troulouliou-div2/x-0271439) Quit (Quit: Leaving)
[9:23] <Kamilion> sulaiman: all my code is licensed under the WTFPL, please feel free to steal as much of it as you need.
[9:23] * wili (~wili@93-153-74-175.tmcz.cz) has joined #raspberrypi
[9:24] * oxhak (~OxHaK@unaffiliated/oxhak) has joined #raspberrypi
[9:25] <Kamilion> Xark: Thanks; maybe I'll have a look at the FX3 if I get another fpga project
[9:26] <Kamilion> Xark: Good chattin' with ya; always nice to compare opinions with another Old.
[9:26] * Kamilion wanders off to do INTERNET THINGS
[9:26] * c00ljs (~c00ljs@ has joined #raspberrypi
[9:27] <Kamilion> Also, for those who don't know -- free https://letsencrypt.org encryption certificates. Need to poke your pi from a webbrowser, miles away?
[9:27] * Tera2342 (~Tera2342@ has joined #raspberrypi
[9:28] <mlelstv> then just make your own cert :)
[9:29] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) has joined #raspberrypi
[9:30] * Sisco (Sisco@unaffiliated/sisco) Quit (Ping timeout: 265 seconds)
[9:31] <Armand> Self-signed == easy
[9:32] <Xark> Kamilion: Right on. Take it easy. :)
[9:32] <Armand> Also, I can do DV SSLs for no cost anyway. :D
[9:32] <Xark> Self signed might even be more secure (other than users freaking out about browser warnings). :)
[9:33] <Armand> If it
[9:33] <Armand> ...
[9:33] <Kamilion> it IS more secure if you're simply trying to secure the communication channel, and have no need to authenticate it.
[9:33] <Armand> If it's a private service, no such concern. :)
[9:33] <Kamilion> I use a self signed cert for my ZNC
[9:33] <Kamilion> simply because I do not want any kind of trust hierarchy for that.
[9:33] <Xark> Kamilion: Sure, me too.
[9:33] * realies (~realies@unaffiliated/realies) Quit (Max SendQ exceeded)
[9:34] * realies (~realies@unaffiliated/realies) has joined #raspberrypi
[9:34] <Kamilion> just pointing out that LetsEncrypt is now here, as of december 3rd
[9:34] <Kamilion> (and works quite well!)
[9:34] <Kamilion> <.<
[9:34] <Kamilion> >.>
[9:34] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) Quit (Ping timeout: 246 seconds)
[9:34] <Xark> Kamilion: Right on, an awesome service indeed. Authentication is handy (as well as not freaking out people with browser warnings). :)
[9:35] * bigx (~bigx@cam44-2-82-235-243-114.fbx.proxad.net) has joined #raspberrypi
[9:35] <Kamilion> you can also get a real wildcard for free at https://sandstorm.io/ to get one of their *.<yourname>.sandcats.io certs.
[9:35] <Kamilion> Xark: LetsEncrypt is purely domain validation -- they don't do authentication.
[9:36] <Armand> Eeewww.. subdomaining..
[9:36] <Xark> Kamilion: Okay, but that is the missing piece if you self-sign, isn't it?
[9:37] <Kamilion> Xark: aye, but my self-sign has no bearing as it is not being used by the browser, and 85% of IRC clients do not bother checking TLS certificate authorities.
[9:37] * djhworld (~djhworld@gateb.telhc.bbc.co.uk) has joined #raspberrypi
[9:37] * spybert (~spybert@c-50-173-18-125.hsd1.ca.comcast.net) has joined #raspberrypi
[9:38] <Kamilion> [23:02:18] Low-level transport connection established [localhost (] [23:02:18] Starting Secure Socket Layer handshake [23:02:18] [SSL]: Current transmission cipher [23:02:18] [SSL]: Cipher: AES256-GCM-SHA384 [23:02:18] [SSL]: Version: TLSv1.2 [23:02:18] [SSL]: Bits: 256 (256 used) [23:02:18] Secure connection established [localhost (]
[9:38] <Xark> Kamilion: Sure.
[9:38] <Kamilion> no warnings or anything.
[9:38] <Xark> Kamilion: At work we have self-signed cert for email. Has caused some hassles with certain phones etc., so I might try a free cert.
[9:39] <Kamilion> of course, I'm being extra paranoid and tunneling over a SSH link first, and passing the TLS path across a SSH channel.
[9:39] * ppq (~ppq@unaffiliated/ppq) has joined #raspberrypi
[9:39] <Xark> :)
[9:40] * Xark <3 ssh tunnels :)
[9:40] <Kamilion> the only thing that sucks about them is trying to tunnel UDP.
[9:40] <Kamilion> gotta open socat and fiddle with it.
[9:40] <Kamilion> or another socat-like tool
[9:41] <Kamilion> oh, oh, wait
[9:41] <Kamilion> I forgot
[9:41] * djsxxx_away is now known as djsxxx
[9:41] <Kamilion> OpenSSH has a VPN layer 2 mode. https://wiki.archlinux.org/index.php/VPN_over_SSH
[9:41] <Xark> That is interesting. I haven't needed UDP, but could be handy...
[9:42] <Kamilion> the caveat: There is no windows client to openssh's layer 2 TUN/TAP VPN. :<
[9:42] <Kamilion> it may work with cygwin/mingw or another posixlike layer on top of NT
[9:42] <Kamilion> i've never tried.
[9:43] <Kamilion> My apologies, layer 2 is only with the TAP VPN, tun is layer3.
[9:43] * sphenxes (~sphenxes@91-115-169-233.adsl.highway.telekom.at) has joined #raspberrypi
[9:48] * yann|work (~yann@LFbn-1-1026-146.w86-247.abo.wanadoo.fr) has joined #raspberrypi
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[9:50] * Flynnn (~textual@unaffiliated/flynnn) has joined #raspberrypi
[9:50] <yann|work> any idea why when specifying a 3K or 4K custom resolution with hdmi_cvt I always get a pixel clock higher than 300MHz ? What parameters can I change to bring it down ?
[9:52] <realies> I thought it's impossible to run 4K on a Pi :)
[9:53] <yann|work> the 2 4K-capable displays I have are both limited to 300MHz, so I guess there must be a way - esp. as my laptop has no problem setting them up at 4K (not sure yet of the details of the mode though)
[9:53] <yann|work> realies: the reports we can find on the forums is that video at 4K is not possible, but displaying at 15Hz should be fine with some hand tweeking
[9:53] * wili (~wili@93-153-74-175.tmcz.cz) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[9:54] * boo7 (~msus@unaffiliated/msus) has joined #raspberrypi
[9:54] <realies> why would you need it for 15fps? I guess not video loll
[9:56] * ppq (~ppq@unaffiliated/ppq) Quit (Ping timeout: 250 seconds)
[9:57] <yann|work> just trying to see what we can really expect from the hardware :)
[9:58] <realies> I really hope for a pi zero with the soc of the pi2 and maybe in built wifi
[9:59] <realies> or at least some ethernet converter
[10:00] <selckin> wish pi2 had wifi in it
[10:00] * sigsts (~sigsts@unaffiliated/skyroverr) Quit (Ping timeout: 246 seconds)
[10:02] <Xark> selckin: At least it has enough USB ports to slip a dongle in fairly painlessly.
[10:03] <Xark> selckin: But hard to be "perfect" for all use cases (and be cheap).
[10:03] <realies> Xark yeah, but I reckon most of the people use wifi and a built in 2.4/5ghz chip would have been so awesome
[10:04] <Xark> realies: Maybe. I use wired Ethernet. :)
[10:05] * Xark found wifi too flaky and laggy for continuous connections (i.e., ZNC).
[10:05] <realies> haha, never thought on hosting a znc on it
[10:05] <selckin> i just put a pi and monitor in my kitchen, then when doh, no internet
[10:05] <selckin> lol
[10:06] <selckin> bought a poweradapter now, since wifi dongles and me don't mix, think i've bought 3 that i researched, and they never work
[10:07] * sigsts (~sigsts@unaffiliated/skyroverr) has joined #raspberrypi
[10:07] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) has joined #raspberrypi
[10:07] * doomlord (~textual@host86-153-157-188.range86-153.btcentralplus.com) has joined #raspberrypi
[10:08] <deshipu> sometimes you need to install firmware
[10:09] <realies> and sometimes compile drivers
[10:09] <selckin> even on windows i have trouble with them
[10:09] <selckin> its like they break the money they touch my hands
[10:12] * TheRinger (~TheRinger@c-73-35-211-122.hsd1.wa.comcast.net) has joined #raspberrypi
[10:12] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 256 seconds)
[10:14] <TheRinger> I would like to clone my pi, my root parition is 30G 4.2G of that is being used, how do I image it and will it image the entire 30GB or just what is being used
[10:14] <realies> good point
[10:14] <realies> want to know as well
[10:14] * esas (~esas@unaffiliated/esas) Quit ()
[10:15] <mlelstv> if you 'clone' your SD card, it will copy the entire 30GB
[10:15] <Kamilion> two ways to do it
[10:15] <Kamilion> DD will clone every byte
[10:15] <Kamilion> there's another set of tools, trying to remember the name
[10:15] <Kamilion> map-tools? bmap-tool?
[10:15] <selckin> if you pipe it though gzip still easy to transfer
[10:16] <Kamilion> prefer xz instead of GZ
[10:16] <selckin> will probably still take longer to figure out other tools
[10:16] <Kamilion> it will compress executable data quite a bit better
[10:16] <mlelstv> assuming that the "not used" parts have been "not used"
[10:16] <Kamilion> and it's easier for an ARM to decompress
[10:16] <selckin> doesn't mather, gzip is good enough
[10:17] <selckin> still only 50min to copy 30gb at 10mb/s , so if its a one time clone just do it and move on
[10:17] <selckin> you'll spend 3 hours trying to find a betetr way
[10:19] <Kamilion> so my normal workflow
[10:19] <Kamilion> zerofree -c
[10:20] * sulaiman (~sulaiman@ Quit (Quit: This computer has gone to sleep)
[10:20] <Kamilion> dc3dd if=/dev/sdc | xz -zc > mydiskimage.img.xz
[10:20] * nighty^ (~nighty@q029220.ppp.asahi-net.or.jp) has joined #raspberrypi
[10:20] <Kamilion> Advantage: Gnome-disks will burn img.xz files directly to a device.
[10:21] <mgottschlag> TheRinger: I'd say that rsync with the proper flags should also work
[10:21] <TheRinger> hmm..
[10:21] <mgottschlag> it won't recognize hardlinks, but who uses those anyways :D
[10:21] <Kamilion> mgottschlag: good chance that'll fail due to the boot partition
[10:21] <mgottschlag> partitioning needs to be done manually, but the boot partition is just plain FAT32
[10:22] * boo7 (~msus@unaffiliated/msus) has left #raspberrypi
[10:22] <mgottschlag> so it doesn't even have any weird access rights or something which could possibly fail, just copying the files is good enough
[10:22] <TheRinger> I like kamilion's method
[10:23] <Kamilion> TheRinger: Restore works like this: http://puu.sh/lXv3U/9d546caed2.png
[10:23] <mgottschlag> when you dd from an SD card, setting a larger block size might significantly increase performance
[10:23] <mgottschlag> like "dd bs=4M"
[10:23] <Kamilion> don't use DD
[10:23] <Kamilion> use dc3dd
[10:23] <Kamilion> it'll figure out the sector and block size on it's own.
[10:23] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) has joined #raspberrypi
[10:24] <Kamilion> [01:23:49] <Kamilion> use dc3dd
[10:24] <Kamilion> no, stupid IRC, paste the RIGHT link
[10:24] <Kamilion> https://packages.debian.org/jessie/dc3dd
[10:24] * pksato (~PEBKAC@unaffiliated/pksato) Quit (Remote host closed the connection)
[10:24] <Kamilion> http://www.commandlinefu.com/commands/view/4563/copy-a-file-using-dc3dd-and-watch-its-progress-very-nice-alternative-to-dd
[10:24] * pksato (~PEBKAC@unaffiliated/pksato) has joined #raspberrypi
[10:25] <Kamilion> http://forensicswiki.org/wiki/Dc3dd <-- more info on DC3DD
[10:25] <TheRinger> what is a good tools for finding what dir/files are using the majority of space.. over ssh
[10:25] * Andy80_ (~andrea@ubuntu/member/andy80) has joined #raspberrypi
[10:25] <Kamilion> cd $folder; du -sh ./*
[10:26] <mgottschlag> Kamilion: ah, hm, nice
[10:26] <Kamilion> most of it'll be in /usr for a clean install.
[10:26] <Kamilion> around 1-2GB.
[10:27] * Anderson69s (~Anderson6@bas69-h01-176-144-249-160.dsl.sta.abo.bbox.fr) has joined #raspberrypi
[10:27] <Kamilion> If you need a live image for your PC that makes it easy to make and burn disk images, you can give my Virtualization ISO a shot.
[10:27] <Kamilion> https://github.com/kamilion/kamikazi-core/releases <--- the downloads, https://github.com/kamilion/kamikazi-core <--- the readmes
[10:28] <Kamilion> the 15.10 image includes a large number of disk imaging tools
[10:28] * tomeff (~tomeff@ip-89-176-75-234.net.upcbroadband.cz) Quit (Ping timeout: 255 seconds)
[10:28] <Kamilion> dc3dd, whdd, testdisk, sdparm, nwipe
[10:29] * Kamilion has been dealing with disk images a LOT :D
[10:29] <Kamilion> found it
[10:29] <Kamilion> https://source.tizen.org/documentation/reference/bmaptool/bmap-tools-project
[10:30] <TheRinger> you sound knowledgable
[10:30] <Kamilion> https://packages.debian.org/jessie/bmap-tools
[10:30] <Kamilion> read the description there
[10:30] <Kamilion> I've seen people here recommend it before, but I've honestly never used it.
[10:30] * oxhak (~OxHaK@unaffiliated/oxhak) Quit (Remote host closed the connection)
[10:31] <Kamilion> If you bother to take a crack at it -- lemme know how you get on with it, eh?
[10:31] <Xark> Cool.
[10:31] * Xark installs dc3dd ;)
[10:31] <Kamilion> Xark: you'll probably like "progress=xfer"
[10:31] * tomeff (~tomeff@ip-89-176-75-234.net.upcbroadband.cz) has joined #raspberrypi
[10:31] <Kamilion> prints a very nice progress meter to stderr
[10:32] <Kamilion> a lot like dd | pv | dd
[10:32] <TheRinger> checking it out now
[10:32] <Xark> Kamilion: Interesting. Not in manpage...
[10:33] <Kamilion> Xark: it might be for an old version of dc3dd, some of the options changed around 2011
[10:33] <Kamilion> i think the newer ones just default progress to on
[10:33] <Kamilion> yeah, they do.
[10:33] <TheRinger> is kamikazi made for rpi ?
[10:33] <Kamilion> No, amd64.
[10:33] <Xark> Okay. Looks like it might be verb=on now.
[10:34] <Kamilion> TheRinger: it is intended to support XEN or KVM virtual machines on linux.
[10:34] <Kamilion> as such, there's a lot of disk image tools included
[10:34] <Kamilion> cause you're always resizing disks for VMs, it seems... XD
[10:35] * beleg_cuthalion (~beleg_cut@ has joined #raspberrypi
[10:35] <Kamilion> TheRinger: however, I can point you to the Lubuntu 15.10 image for Raspberry Pi2, which will get you the same desktop as I use in kamikazi.
[10:35] <Kamilion> one moment, the ubuntu-mate guys were kind enough to put it together
[10:36] * Sisco (Sisco@unaffiliated/sisco) has joined #raspberrypi
[10:36] <Kamilion> https://ubuntu-mate.org/raspberry-pi/ <--- here's the MATE image, and there's a torrent halfway down the page...
[10:36] * Kamilion right clicks on it and copies the URL
[10:36] <Kamilion> https://ubuntu-mate.org/raspberry-pi/ubuntu-mate-15.10-desktop-armhf-raspberry-pi-2.img.bz2.torrent
[10:36] <Kamilion> sec, lemme edit that
[10:36] <TheRinger> right now i'm using dietpi
[10:36] <Kamilion> https://ubuntu-mate.org/raspberry-pi/lubuntu-15.10-desktop-armhf-raspberry-pi-2.img.bz2.torrent
[10:37] <Kamilion> magnet:?xt=urn:btih:51F14B34CAA57D5FB2891F8D2D8E99435D8E2E43
[10:37] <Kamilion> I think I'm the only seed right now.
[10:37] * BenGrimm (UPP@cpe-70-119-236-74.tx.res.rr.com) has joined #raspberrypi
[10:38] <Kamilion> (mainly because the torrent download isn't advertised anywhere)
[10:38] <Kamilion> hm, nope, looks like they took down the torrent file.
[10:38] <Kamilion> or I got the filename wrong
[10:38] * Kamilion doublechecks
[10:38] <TheRinger> I need something small for the project i am using, not sure if I am going to put a desktop on it or not, still testing how it's preforming, running influxdb, grafana, and python . final project is intended to datalogg lots of data and be access over http
[10:39] <Kamilion> yeah, they removed the torrent.
[10:39] <Kamilion> the magnet link I posted is probably the only way to get it now.
[10:39] <Kamilion> magnet:?xt=urn:btih:51F14B34CAA57D5FB2891F8D2D8E99435D8E2E43 <--- lubuntu-15.10-desktop-armhf-raspberry-pi-2.img.bz2.torrent
[10:39] * randomProgrammer (~randomPro@ has joined #raspberrypi
[10:40] <Kamilion> TheRinger: keep in mind, it's getting incredibly hard to find 512MB and 1GB microsd cards.
[10:40] <Kamilion> the smallest I can reliably find has been 2GBs and 4GBs.
[10:40] <Kamilion> for about $3 (either size)
[10:40] <TheRinger> I run mate on my laptop, I have a xeon server that hosts virtual machines like windows so i can do some silverlight stuff for school, i run ubuntu unity on desktop, raspberrypi is running Jessie right now, only uses 65mb ram
[10:41] <Kamilion> ah, so you're familiar enough.
[10:41] * Kamilion happens to like Lubuntu most, but mate isn't too bad.
[10:41] <Kamilion> But I'm also working in an IT warehouse with untrained people
[10:41] <Kamilion> the closer I can get to "windows XP/ Windows 7", the easier time they have.
[10:42] <Kamilion> they're working on a new version called LXQT
[10:42] <Kamilion> moving away from GTK+ and over to QT5
[10:43] <Kamilion> I checked out one of their test versions a week ago; looked pretty good.
[10:43] <Kamilion> lemme see if I can find that screenshot I took
[10:43] <Kamilion> http://puu.sh/lQQYG/1f9930ac4e.png http://puu.sh/lQSJv/df05224333.png http://puu.sh/lQT3D/a9459461ca.png
[10:44] <Kamilion> Stock, slightly reconfigured, custom.
[10:44] <Kamilion> of note, it's possible to get Windows 7 style "minimized icons" if you prefer that to the older text label design.
[10:45] * c00ljs (~c00ljs@ Quit (Remote host closed the connection)
[10:45] * kolla (~kolla@brendeholten.uninett.no) has joined #raspberrypi
[10:46] <Kamilion> it's also really light on memory. The test VM was using 98MB of 1GB.
[10:46] <Kamilion> the LXDE version using GTK+ was around 233MB
[10:46] <Kamilion> so I think it ended up sharing the QT library a bunch of times between the various applications and UI panels.
[10:47] <Kamilion> I didn't look too closely though, honestly.
[10:47] <Kamilion> and, uh, I broke it the day after. Hehehehehe.
[10:47] <TheRinger> looks like lubuntu, I like light but functional linux, my laptop is an old alienware that has dual 8700 gts cards and is like 8 years old.. but I love the keyboard, most laptop keyboards are to small
[10:47] <Kamilion> https://wiki.ubuntu.com/Lubuntu/LXQt#Installing_LXQt_on_fresh_system <--- if anyone else wants to give it a go
[10:48] <Kamilion> oh, I think I know the one you're talking about -- looks like a stealth fighter with vents on the back?
[10:48] <Kamilion> err, nevermind, no, that was an Asus ROG model, sorry
[10:49] <TheRinger> where is your IT warehouse located, what state ?
[10:49] <Kamilion> http://rog.asus.com/wp-content/uploads/2014/10/G751-Left-Back-Open30.jpg <-- dual GTXs too
[10:49] <Kamilion> Campbell, California.
[10:49] <TheRinger> yah
[10:49] <Kamilion> at the crotch of highway 17 and the 85 freeway.
[10:49] <Kamilion> "Silicon valley".
[10:50] <Kamilion> sec, lemme dig up the link to our ebay store
[10:50] <Kamilion> oh, it's on the front page, lol
[10:50] <Kamilion> http://www.m-cubed.com/ <--- whack the store link to get shunted over to ebay, or Contact Us to find the physical location if you're in the bay area.
[10:50] <TheRinger> http://www.our-picks.com/wp-content/uploads/2007/09/alienware_area-51.jpg
[10:51] * beleg_cuthalion (~beleg_cut@ Quit (Quit: Leaving)
[10:51] * beleg_cuthalion (~beleg_cut@ has joined #raspberrypi
[10:51] <Kamilion> and yes, I know our website is terrible; I'm a crappy UI designer.
[10:51] <Kamilion> it's all python under the hood though!
[10:52] <TheRinger> cool, so you guys sell used servers and parts ?
[10:52] <Kamilion> Aye.
[10:53] <Kamilion> I'm still working on getting a webstore working. http://store.m-cubed.com/ <-- can be seen here, but not in a state to purchase from.
[10:53] <Kamilion> but if you're interested in seeing what our categories will be like...
[10:53] <TheRinger> I spent a lot of time compiling, Influxdb, graphana and Go on the PI so I don't want to have to repeat that, it was a bitch
[10:53] * jektrix (~jektrix@203-214-47-145.dyn.iinet.net.au) Quit (Remote host closed the connection)
[10:53] * Tach[Zzz] is now known as Tachyon`
[10:53] <Kamilion> Graphana? Is that like graphite? time-series database?
[10:54] * Kamilion googles it
[10:54] <Kamilion> ah, yeah. Cool.
[10:54] <TheRinger> I'm up here in Washington, rain central
[10:54] <Kamilion> you might also like https://github.com/python-diamond/Diamond
[10:54] <TheRinger> yah
[10:55] <Kamilion> er, crap, they removed the wiki pages
[10:55] <Kamilion> https://answers.launchpad.net/graphite/+question/178969
[10:56] <Kamilion> http://diamond.readthedocs.org/en/latest/ <--- check the list of "Handlers" and "collectors"
[10:56] <Kamilion> Diamond: Not just for graphite anymore! (TM)
[10:56] <Kamilion> http://diamond.readthedocs.org/en/latest/handlers/InfluxdbHandler/
[10:57] <Kamilion> TheRinger: You may also like the ELK stack (ElasticSearch, Logstash, Kibana) for logging. https://www.digitalocean.com/community/tutorials/how-to-install-elasticsearch-logstash-and-kibana-elk-stack-on-ubuntu-14-04
[10:57] * TheRinger_ (~TheRinger@c-73-35-211-122.hsd1.wa.comcast.net) has joined #raspberrypi
[10:57] <Kamilion> TheRinger: playback of the events you missed in PM.
[10:58] <TheRinger> cool, yah i'm only datalogging a few system resource metrics, here is the bad coding -- http://hastebin.com/bodavifadi.py
[10:58] <TheRinger> did i dc?
[10:59] <Kamilion> Not sure, but TheRinger_ joined.
[10:59] <Kamilion> so I assumed you did disconnect.
[10:59] <TheRinger> oh that was my desktop
[11:00] <Kamilion> can't be any worse than my hodgepodge: https://github.com/kamilion/disker-gui
[11:00] <Kamilion> https://github.com/kamilion/disker-gui/blob/master/diskaction.py <--- hehehehe
[11:00] <Kamilion> you might actually find this useful.
[11:01] <Kamilion> https://github.com/kamilion/disker-gui/blob/master/diskaction.py#L120 <--- disk image routine.
[11:01] <TheRinger> i was going to check out https://github.com/influxdb/telegraf it is suppose to integrate nicely with influxdb
[11:01] <Kamilion> ah, written in go. Good choice.
[11:01] <Kamilion> been meaning to learn more Go myself
[11:02] <Kamilion> i use a number of Go based tools like http://serfdom.io/
[11:02] <TheRinger> nice did you make that
[11:02] <Kamilion> serfdom? No.
[11:02] <Kamilion> that's mitchellh's project
[11:02] <Kamilion> #hashicorp here on freenode.
[11:03] <Kamilion> oh, the disker repo? yeah, I wrote all that.
[11:03] <Kamilion> it's tied around http://rethinkdb.com/ though
[11:04] <Kamilion> different kind of database than influx/graphite
[11:04] <TheRinger> i was actually looking into rethinkdb before i installed influx
[11:07] <TheRinger> how is it
[11:07] <Kamilion> I've been using it for about two and a half years. F--kin love it.
[11:07] <Kamilion> it was a rocky start in the beginning around 1.15
[11:07] <Kamilion> but since they hit 2.0 it's been pretty solid
[11:07] <Kamilion> currently missing RBAC but the first implimentation of GRANTs and access control should come in the next version 2.3.
[11:07] <TheRinger> how would it run on armv7
[11:07] <Kamilion> runs fine.
[11:07] <Kamilion> i've got a copy on my pi2
[11:07] <TheRinger> it's time series ?
[11:07] <Kamilion> there's a single patch you need to apply if you want it to cluster with amd64 machines though
[11:07] <TheRinger> it's all done in json right
[11:07] <Kamilion> it's all JSON, not time-series.
[11:07] * trumpetarn (~trumpetar@h88-129-226-41.dynamic.se.alltele.net) has joined #raspberrypi
[11:07] <Kamilion> and not performant enough to do rapid time-series data like graphite.
[11:07] <Kamilion> don't get me wrong, it's performant for a lot of tasks
[11:07] <TheRinger> what's it's use cases
[11:07] <Kamilion> but time-series it ain't
[11:07] * Dev0n (~Dev0n@unaffiliated/dev0n) Quit (Ping timeout: 250 seconds)
[11:07] <Kamilion> well, the changes() call is super handy.
[11:07] <Kamilion> it will stream changes made on a table to you.
[11:07] <Kamilion> or through a filter.
[11:07] <Kamilion> really, their query language is the big draw
[11:07] <Kamilion> r.table('game').orderBy('score').limit(3).changes()
[11:07] * mike_t (~mike@pluto.dd.vaz.ru) has joined #raspberrypi
[11:07] * defsdoor (~andy@cpc73037-sutt4-2-0-cust62.19-1.cable.virginm.net) has joined #raspberrypi
[11:07] <Kamilion> it clusters well, so far I've gotten up to about 70 nodes
[11:07] <Kamilion> joining and leaving as they wish (only with 2.2's RAFT consensus though)
[11:08] <Kamilion> before 2.2, a cluster member leaving took all it's data with it to the big bitbucket in the sky
[11:08] <TheRinger> hmm, and what is the memory footprint like
[11:08] <Kamilion> sec
[11:09] <Kamilion> you know sysdig at all?
[11:09] <Kamilion> if not, you'll have to settle for a screenshot.
[11:09] <Kamilion> http://puu.sh/lXwHt/be19e70cbf.png
[11:10] * Swensson (~Swensson@h69n10-lid-a11.ias.bredband.telia.com) has joined #raspberrypi
[11:10] * howdoi (uid224@gateway/web/irccloud.com/x-axzezzofvquraqzf) has joined #raspberrypi
[11:10] <Swensson> My cameramodule is no longer detected :(
[11:10] <TheRinger> ah yes htop, my goto
[11:11] <Kamilion> As you can see from the screenshot, it has 58MB resident, while postgres above it is 12MB resident, and mysql below is 31MB resident and 560M virtual.
[11:11] * fengling (~fengling@ Quit (Ping timeout: 256 seconds)
[11:11] <TheRinger> what kind of background / experience does a guy need to get a coding job down there
[11:11] * lerc_ (~quassel@121-74-245-104.telstraclear.net) Quit (Quit: No Ping reply in 180 seconds.)
[11:11] <Kamilion> no idea
[11:11] <Kamilion> I make shit wages because I don't care about money anymore.
[11:12] <Kamilion> I used to work at NASA Ames research center
[11:12] <TheRinger> i bet you goto a goodwill down there and there is computer parts everywhere
[11:12] <Kamilion> hah, no, actually.
[11:12] <Kamilion> you'd have to go to weirdstuff warehouse to find most of that.
[11:12] <Kamilion> the goodwill here won't even take computer equipment, they'll point you to one of the specialty places
[11:13] <Kamilion> like weirdstuff or halted specialties
[11:13] * lerc (~quassel@121-74-245-104.telstraclear.net) has joined #raspberrypi
[11:13] <Kamilion> http://www.weirdstuff.com/ <-- we used to be right down the street from them
[11:13] <Kamilion> http://www.halted.com/ <--- and they're not too far from our new location.
[11:14] <Kamilion> weirdstuff is more useless 70s/80s crap, halted is mid-90s/early 00s
[11:14] <TheRinger> One project I haven't really dived into is using the pi to plot gps points to a map in the ocean, would rethink do that well ?
[11:14] <Kamilion> if you need a big 20MB 1983 hard disk from an IBM XT, weirdstuff is your place.
[11:14] * speeddragon (~speeddrag@ has joined #raspberrypi
[11:14] <Kamilion> yes, very well
[11:14] <Kamilion> rethinkdb has geojson support built in.
[11:14] <TheRinger> that is what i read somewhere
[11:15] <Kamilion> http://rethinkdb.com/docs/geo-support/python/
[11:15] <Kamilion> That should cover most of it for you, in about 7-10 minutes of reading.
[11:15] <TheRinger> do you use mqtt for anything
[11:15] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) Quit (Ping timeout: 265 seconds)
[11:15] <Kamilion> never head of it, actually.
[11:15] <Kamilion> is that some kind of weird zmq offshoot?
[11:16] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Ping timeout: 246 seconds)
[11:16] <Kamilion> ah, lightweight pubsub.
[11:16] <Kamilion> God, I wish people would stop writing more pubsub libraries, there's like 80 that I know of now... >.<
[11:16] <TheRinger> i know, i don't understand why there is so much duplication out there
[11:17] * hinv (~hinv@c-50-142-213-254.hsd1.tn.comcast.net) has joined #raspberrypi
[11:17] <Kamilion> http://python-rq.org/ https://huey.readthedocs.org/en/latest/ http://luigi.readthedocs.org/en/latest/workflows.html https://github.com/rethinkdb/example-pubsub
[11:17] <TheRinger> I followed you on github.com,
[11:18] <Kamilion> I'm just a guy, I do some stuff. Pretty much all experience, no schooling.
[11:18] <TheRinger> so rethinkdb is able to stream data live right
[11:18] <Kamilion> quite well.
[11:18] <Kamilion> http://rethinkdb.com/docs/changefeeds/python/
[11:19] <Kamilion> changefeeds are unidirectional with no acknowledgement returned from clients.
[11:19] <Kamilion> they cannot guarantee delivery. If you need real-time updating with delivery guarantees, use something like rabbitmq.
[11:19] <TheRinger> well don't be surprised if I don't pm you asking you python questions in the future
[11:19] * Encrypt (~Chuck@cpc72901-newt33-2-0-cust203.19-3.cable.virginm.net) has joined #raspberrypi
[11:19] <Kamilion> go right ahead, or just highlight me
[11:19] * Stanto (~Stanto@li285-77.members.linode.com) has joined #raspberrypi
[11:19] <Kamilion> Kamilion: Wake up, foo!
[11:20] <TheRinger> so rabbitmq is actually based off mqtt
[11:20] <TheRinger> err mqtt has been around for awhile
[11:20] <Kamilion> I'm ZNC'd in, so if I don't answer right away, leave your query and I'll return your message Async when I have a chance.
[11:20] <Kamilion> can also be found on ircs://irc.ospnet.org/#sllabs
[11:21] <Kamilion> but most people don't want to hover on another IRC network unless they've got ZNC already or something
[11:21] * Thymo (~Thymo@524ACC90.cm-4-3d.dynamic.ziggo.nl) Quit (Ping timeout: 245 seconds)
[11:21] * Anderson69s (~Anderson6@bas69-h01-176-144-249-160.dsl.sta.abo.bbox.fr) Quit (Quit: Time to EAT, SLEEP OR WHATEVER BYE!!!!!)
[11:23] <TheRinger> crazy never heard of ZNC
[11:23] <Kamilion> IRC proxy with playback
[11:23] <Kamilion> keeps you connected even when your IRC client isn't running. When you connect to it, it plays back the last X lines per channel, all private messages.
[11:23] <TheRinger> been using IRC since late 1990
[11:24] <Kamilion> eh?
[11:24] * Thymo (~Thymo@524ACC90.cm-4-3d.dynamic.ziggo.nl) has joined #raspberrypi
[11:24] <Kamilion> Did you go to berkley or something?
[11:24] <TheRinger> no i ran a bbs
[11:24] <Kamilion> I don't recall ever seeing you on eris.berkley.edu
[11:25] <Kamilion> and the IRCII protocol wasn't even really around till '92
[11:25] <Kamilion> I came in around 94
[11:25] <Kamilion> ... god, has it really been 20 years? *shiver*
[11:25] <Kamilion> Oh! glowing bear!
[11:25] <Kamilion> sec
[11:26] <Kamilion> https://github.com/glowing-bear/glowing-bear
[11:26] <Kamilion> http://www.glowing-bear.org/
[11:26] <Armand> Over 20 years since I left school. :P
[11:26] <Kamilion> A weechat frontend that acts sort of like ZNC if you leave weechat running.
[11:26] <TheRinger> well maybe it was 1992 i was 12 years old, ran a bot that shared files, used to come home from school and there was a share ratio so people would just upload random shit
[11:26] <Kamilion> weechat has a "buffer protocol" that Glowing Bear knows how to speak.
[11:27] <Kamilion> ah, I remember doing that with mIRC and fserve bots, lol
[11:27] <Kamilion> back in the windows 3.1 days before win95's advent
[11:27] <Armand> ^
[11:27] <Armand> I remember doing BBS on an IBM XT. :P
[11:27] <Kamilion> when you had to fight with trumpet winsock to get a connection
[11:27] <Armand> 9600 modem.
[11:28] <Kamilion> And we jumpered our sound cards for IRQs and DMAs... UPHILL BOTH WAYS!
[11:28] * Kamilion chuckles
[11:28] <Kamilion> SET BLASTER=A220 I5 D3
[11:28] <TheRinger> oh man
[11:28] <Kamilion> can't believe I still remember that after so long.
[11:28] <Armand> autoexec.bat... how we lament thee.
[11:29] <Kamilion> I remember getting a Pro Audio Spectrum 16 for my birthday
[11:29] <Kamilion> and getting the SCSI interface set up with linux
[11:29] <Kamilion> as it was one of the few SCSI interfaces it supported at the time
[11:29] <Armand> Ohh... lolz.. I have the DOS 3.2 manual on my desk. ^_^
[11:29] <TheRinger> I used to change autoexec.bat files on the computers at school to format C: /Y i think it was, next time the pc booted kablam
[11:29] * dreamon (~dreamon@unaffiliated/dreamon) Quit (Ping timeout: 260 seconds)
[11:29] <Kamilion> TheRinger: Pffft, windows was a lot more fun... shell=calc.exe
[11:30] <Armand> TheRinger: Try disabling the floppy drive and using subst to assign a folder to A:
[11:30] <Armand> Much trollity
[11:30] <Kamilion> I swear it took the school office six weeks to recover from that simple win.ini change
[11:30] <Armand> lol
[11:30] <TheRinger> heh,
[11:30] <Kamilion> http://files.sllabs.com/files/images/ahwindowssecurity.gif
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[11:31] <TheRinger> yah i remember my step dad would make me unplug the computer when we first got it, because he heard you could get viruses from the power lines
[11:31] <Kamilion> Remember these days, Armand, TheRinger?
[11:31] <Kamilion> breaking into windows computers using the printer driver help? XD
[11:31] <Armand> hehehe
[11:31] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) Quit (Quit: For Valhall!)
[11:32] <Armand> I do recall Win3.11 was really bad with network drives.
[11:32] <Kamilion> Ahhh, fond memories...
[11:32] <Armand> You could navigate UP the tree from file manager.
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[11:32] <Kamilion> yep.
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[11:33] <TheRinger> yah it was memories, that i usually only share with people on irc
[11:33] <TheRinger> none of my friends had a clue
[11:33] <TheRinger> what kind of things do you use the pi for
[11:33] <Kamilion> which one. *G*
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[11:34] <Kamilion> I've got a pi2, a bunch of Odroid-W pi1 clones (before the Zero), an odroid c1, several various allwinner A10s and A20s
[11:34] <Kamilion> A number of tiny intel PCs, like five, I think? These. http://www.amazon.com/gp/product/B00REGG6QU/
[11:34] <TheRinger> I'm trying to build a nice grow room datalogger, automation type device
[11:35] <Kamilion> Ahh.
[11:35] <Kamilion> i saw something like that on indiegogo a while abck
[11:35] <TheRinger> there is a lot of people up here in washington that could benefit from using one
[11:35] <Armand> I was using my 512MB Model B as a test for a solar array.
[11:35] <TheRinger> cool, solar is something i havent tried yet
[11:36] <Armand> I need to buy more batteries now though, as mine crapped out in storage. :(
[11:36] <Armand> Totally ruined.
[11:36] <Kamilion> found it.
[11:36] <Kamilion> http://getniwa.com/
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[11:37] <Kamilion> I don't think they have any predefined profiles for cannabis, but AFAIK the tomato profiles end up to be pretty similar.
[11:37] <TheRinger> spendy, but look nice enough, do they have gpio pins
[11:37] <Kamilion> http://getniwa.com/build-your-own.html
[11:37] <Kamilion> looks likei t.
[11:37] <TheRinger> we have lots of I502 commercial growers up here
[11:38] <Kamilion> large scale?
[11:38] <TheRinger> massive
[11:38] <Kamilion> or many medium scale operators?
[11:38] <TheRinger> like million dollar factorys
[11:38] <Kamilion> yikes.
[11:38] <Kamilion> guess the russian river's gonna get less popular then.
[11:39] <Kamilion> https://en.wikipedia.org/wiki/Russian_River_(California) <--- SO many grows in this area. They got their own sherrif voted in or something.
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[11:40] <Kamilion> TheRinger: http://www.psmag.com/books-and-culture/californias-medical-marijuana-morass-38772
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[11:40] <Swensson> WO?ooooooooooooot
[11:40] <Swensson> That's huge :O
[11:40] * Kamilion has a card himself.
[11:41] <Armand> We need better weed laws in the UK. �_�
[11:41] <TheRinger> my buddy actually lives in silicon valley and has a boat up here he crab fishes and then goes and lives with rich people
[11:41] <Swensson> What do you grow in em? ;P
[11:41] <Swensson> Same here in Sweden
[11:41] <Kamilion> Armand: don't sweat it
[11:42] <Kamilion> Armand: once the US gov't finally drops the war on weed; the rest of the world will calm down about it.
[11:42] <Kamilion> hopefully mexico will calm the hell down too >.<
[11:42] <TheRinger> that niwa is neat , but It's kind of like fischer price compared to what I'm trying to make
[11:42] <Armand> I hope so.. I mean, it's easy enough to get and you won't get locked up for a little baggie.
[11:42] <Kamilion> I wanna go back to Puerto vallaria
[11:42] <Kamilion> but it's not very safe for whiteboys like me
[11:43] <Armand> I want to go back to Puerto Rico.
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[12:19] <g105b> My project needs 4 digital inputs, 4 analogue inputs, and 2 digital outputs. How can I achieve this with the Pi specifically?
[12:20] <mlelstv> the pi doesn't have analog inputs. What digital inputs and outputs do you need?
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[12:26] <Kamilion> g105b: http://www.theverge.com/2015/10/16/9548177/intel-curie-arduino-maker-board <-- the arduino 101 has some pins that are both analog and digital inputs at the same time. It can be connected to a pi via USB.
[12:26] <g105b> mlelstv: two digital input, 2 digital output.
[12:27] <Kamilion> The other option is to use something like an SPI A2D converter
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[12:28] <tjcarter> Quick NOOBS root.tar.xz question: Is etc/fstab used as a template by NOOBS or ignored entirely?
[12:29] <mlelstv> g105b, there are different kinds of "digital". So what do you try to connect?
[12:30] <tjcarter> Clearly it doesn't use /dev/mmcblk0p1 and /dev/mmcblk0p2 since they become mmcblk0p{5,6} on older NOOBS or mmcblk{6,7} on newer.
[12:31] <g105b> mlelstv: on or off, 0v or 5v.
[12:31] <mlelstv> so that's TTL logic
[12:31] <g105b> what other types of digital are there other than a voltage that is on or off?
[12:31] <mlelstv> the main difference is voltage
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[12:31] <pigrit> do I just go to the old man in the electronics shop and say "an ADC0832 please" ?
[12:31] <mlelstv> TTL works at 0V and 5V.
[12:31] <mlelstv> But RPI uses 0V and 3.3V
[12:32] <mlelstv> if you connect either, you likely break one side.
[12:32] <tjcarter> (which is sometimes called LvTTL)
[12:32] <g105b> I don't mind having to step down the voltages using a few components on a board.
[12:32] <tjcarter> Don't confuse the two :)
[12:33] <mlelstv> if you make it 3.3V compatible then you have a couple (up to 28?) digital inputs or outputs.
[12:33] <tjcarter> Classic CMOS worked at voltages from 3v to 12v.
[12:34] <mlelstv> classic CMOS is damaged by looking at it
[12:34] <tjcarter> That's also true ;)
[12:35] <tjcarter> But these days everything is some kind of CMOS-derivative, even if it looks and acts like TTL.
[12:35] <mlelstv> so, what analog inputs then?
[12:35] <tjcarter> Analog inputs are all over the map. :P
[12:35] <gordonDrogon> morning ...
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[12:36] <tjcarter> Analog can be anything from microvolts to megavolts, positive or negative voltages, you name it, have fun.
[12:36] <mlelstv> I'm asking g105b for what he needs :)
[12:36] <gordonDrogon> g105b, there are several SPI or I2C ADC chips avalable that work well with the Pi for analog input.
[12:36] <gordonDrogon> mcp3004 works well (I've used them - SPI based).
[12:36] <g105b> Analogue requirements are reading from 0v to 5v.
[12:37] <mlelstv> what speed and precision ?
[12:37] <gordonDrogon> if you scale it to 0-3.3v (2 resistors) then interfacing is easy.
[12:37] <mlelstv> https://www.abelectronics.co.uk/p/17/ADC-Pi-V2---Raspberry-Pi-Analogue-to-Digital-converter
[12:37] <mlelstv> here is something ready to use
[12:38] <g105b> at least a resolution of 0.05v
[12:39] <mlelstv> at that resolution you can do a few hundred samples per second.
[12:39] <mlelstv> is that enough?
[12:40] <gordonDrogon> anything above a 256-bit ADC will be good enough for that resolution...
[12:40] <mlelstv> 256-bit >-)
[12:41] <gordonDrogon> er, 8-bit!!!
[12:41] <mlelstv> :-)
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[12:42] <gordonDrogon> Not Pi related, but still cool from cool Pi people: https://shop.pimoroni.com/products/the-royal-armouries-museum-siege-engine-range
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[13:14] <Swensson> can anyone assit me with Using an Arduino as a slave I/O board to the raspberry? Im trying to run brushless motoros via esc's connected to the arduino with python or smth on the raspberry
[13:16] <gordonDrogon> what part are you looking for help on?
[13:16] <Swensson> I don't really know how to solve the communication between the esc and the raspberry
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[13:17] <gordonDrogon> well - most ESCs use a form of RC PWM. That's solved on Arduino.
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[13:17] * ChanServ sets mode +o Davespice
[13:17] <gordonDrogon> so the issue is talking to the Arduino - my suggestion would be to use serial. then you can power the arduino via the USB at the same time as sending commands to it.
[13:17] <Davespice> afternoon folks
[13:18] <gordonDrogon> What ho, Davespice
[13:18] <Davespice> so I've just found out that CentOS is on the verge of coming out for Pi2
[13:18] <Davespice> https://lists.centos.org/mailman/listinfo/arm-dev
[13:18] <gordonDrogon> not personally interested, but that's good, I guess.
[13:18] <Davespice> not that I'm a big fan of CentOS or anything, just thought some people here might be interested
[13:18] <Davespice> was there much activity in here yesterday?
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[13:20] <gordonDrogon> not sure - I wasn't here for most of the day...
[13:20] <gordonDrogon> it's quiet :)
[13:21] <Swensson> GordonDragon: I were able to define the the max signal and min signal and then use Serial.begin(9600); (all in sketch) ...Now when I use the arduino as a slave to the Pi idk how to solve this
[13:21] <gordonDrogon> you need to write co-operating programs for both sides.
[13:22] <gordonDrogon> I do this in C, but I find this relatively easy as I've been getting computers to talk via serial for the past 35 years or so..
[13:22] <Swensson> oh..
[13:22] <gordonDrogon> this: https://projects.drogon.net/drogon-remote-control/drc-protocol-arduino/
[13:23] <gordonDrogon> might give you some sample code for the arduino side and some ideas..
[13:23] * Sisco (Sisco@unaffiliated/sisco) Quit (Ping timeout: 265 seconds)
[13:23] <gordonDrogon> look at the wiringPi source for the Pi side (in C): look at the drcSerial.c file in the wiringPi source.
[13:24] <gordonDrogon> that makes an arduino look like a gpio expander to the Pi - but the communications protocol is trivial enough to adapt - e.g. treat the ESCs as generic analog outputs...
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[13:37] <Jck_true> I'm looking to build a small product based on a raspberry pi. I'm used to embedded development but I have no experience with Linux development
[13:38] * Sisco (Sisco@unaffiliated/sisco) has joined #raspberrypi
[13:38] <Jck_true> How do I manage an actual development enviroment?
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[13:39] <Jck_true> It seems very wrong to ssh into the raspberry - build my binary - Edit a few /etc/ config files and then clone the entire card
[13:40] <RaTTuS|BIG> dagnabit I need more micro SDcards
[13:40] <Jck_true> The final image does not need the gcc compiler or X window system
[13:40] <nid0> well you can happily cross-compile on a desktop then build your binary into an image to flash to a card if you'd prefer
[13:41] * InfoTest (~Thunderbi@ Quit (Quit: InfoTest)
[13:41] <nid0> but the pi's ability to just use cloned cards does make things easy, just get a live system running on-device how you want it then cloning the card is dead straightforward
[13:41] <nid0> and if you don't need a compiler etc on the finished product, just remove it before imaging the card
[13:42] <Jck_true> nid0: That just feels very very dirty comming from someone who's used to embedded programming
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[13:42] <gordonDrogon> Jck_true, Use a Pi for development, then create a new SD card with a cut-down raspbian and copy the binaries to this Pi - then clone that.
[13:42] <nid0> well nothing wrong with doing it the normal way, sorting things on-device then cloning the card is just an easy alternative
[13:43] <gordonDrogon> you're probably better creating a .deb file from your project then installing that on the target Pi's (which you've created with a cut-down image), but making a .deb isn't trivial.
[13:44] <Jck_true> I need to run a webserver and a background daemon that generates some SPI signals
[13:44] <gordonDrogon> also remember that the Pi was designed to enable direct program development - unlike microcontrollers - it can fully support a build environment directly. This has good and bad aspects, but that's the way is is ...
[13:45] <Jck_true> My whole fear is ending up with an enviroment I can't recreated X years into the future
[13:45] <Jck_true> (As in apt-get update will update a package and stuff suddenly won't work anymore)
[13:46] <Jck_true> Downloading the image from raspberrypi.com will also have the new updated and broken package etc
[13:46] <nid0> so just keep your image saved and prevent apt updates on the production systems?
[13:46] <nid0> are they going to be internet accessible?
[13:46] <Jck_true> And the instructions for rebuilding the card image would invovle half a dozen shell commands
[13:46] <Jck_true> nid0: Only on a local network
[13:47] <nid0> then you just have to decide whether lack of package security updates is worth the consistency of an unchanging image
[13:48] <nid0> if you need the system to stay static just disable apt updates on your image
[13:48] <nid0> don't see why you'd need to be rebuilding it from a fresh download, once you have an image that works, you just carry on using that image for the rest of eternity
[13:51] <Jck_true> True... I guess I'm just used to embedded programming where I can check out a repository from my server and know i absolutly have everything to recreate the firmware image
[13:51] <gordonDrogon> I have clients still using a very early version of Raspbian on the original and 2nd batches of Pis... they're 'embedded' systems with no internet access and never need to upgrade, etc.
[13:52] <pigrit> So You Have A Bunch Of Sensors Connected To The Pi - now, is there any recommended way to go about polling them ? i.e., polling on demand rather than having daemons save the latest valid result or whatever else ?
[13:52] <gordonDrogon> pigrit, it depends on your application, your own personal preferences and how you feel on the day.
[13:52] <SirLagz> pigrit: I turned my Pi into a SNMP sensor station of sorts. Pi just polls the sensor when polled by my monitoring server
[13:52] <pigrit> that's actually as good an answer as a specific one
[13:53] <gordonDrogon> pigrit, I tend to run separate threads for each sensor/widget/thingy and managed them from an overall control type of thing, but that's my own preferance and have been doing it that way for decades.
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[13:54] <pigrit> thought there might be some tried and tested optimized method, for efficiency or energy consumption or whatever, but no rules is just as good
[13:54] <pigrit> you know, as long as you know there are no rules :D
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[13:55] <pigrit> gordonDrogon so you have all sensors running all the time
[13:56] <tjcarter> Does anybody know the source of Raspbian's first boot scripts? The Google well appears to be poisoned with people asking how to put Raspbian on a SD card. :P
[13:56] <gordonDrogon> pigrit, for some applications, yes.
[13:57] <gordonDrogon> tjcarter, for wheezy, look in /etc/inti.d - that's all the scripts, then look in /etc/rc0.d, /etc/rc1.d and so on for the boot order. I've no idea what jessie does.
[13:57] <Flutterbat> gordonDrogon: i think the nicest solution latency wise is polling the sensor frequently and buffer the data
[13:58] <tjcarter> gordonDrogon: jessie puts them in /etc/init.d. I'm not looking for where they're at in an image, I'm trying to find where they come from because I'm tired of hand-modifying images. :P
[13:58] <Flutterbat> the best efficiency would be by polling on demand, and putting the sensors to sleep when not in use
[13:59] <gordonDrogon> pigrit, so - e.g. I have a Pi controlling my oven - I run a thread that samples all the thermocouples, puts them through a little low-pass filter and it does that in the background - so another task that needs the temperature just calls a function provided by that module and get the temperature from the stored/computed value when it needs it.
[14:00] <tjcarter> gordonDrogon: For example, they appear NOT to be anywhere at github.com/raspberrypi where everything else is.
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[14:01] <gordonDrogon> tjcarter, no sure what you're after - raspbian is basically debian - is it Pi specific startup scripts you're after then?
[14:01] * troulouliou_div2 (~troulouli@unaffiliated/troulouliou-div2/x-0271439) has joined #raspberrypi
[14:01] <tjcarter> Instructions for building a raspbian image basically amount to "you run cdebootstrap for the distribution you want and then modify it for the first boot setup by mumble mumble mumble"
[14:01] <SirLagz> tjcarter: I'd imagine those boot scripts probably come from Debian
[14:02] <SirLagz> tjcarter: which boot scripts are you modifying?
[14:02] <tjcarter> SirLagz: I'd guarantee you that no Debian script creates /home/pi and sets up a passwordless login.
[14:02] <SirLagz> tjcarter: and why are you modifying them?
[14:02] <gordonDrogon> yea, I'm not sure there are any Pi specific stuff other than the detect shift-key for speed throttling...
[14:03] <SirLagz> tjcarter: lets step back then. How are you installing Raspbian?
[14:06] <tjcarter> Currently? Via NOOBS, then doing a metric crapton of apt-get adds, removes, etc, then deleting a bunch of crap that was added by starting X11 on first boot whether I liked it or not (I didn't), then recreating the first boot files from the root.tar.xz that were deleted by running them, then taking the SD card to another box and mounting the root partition, and tarring it up as a new root.tar.xz, then
[14:06] <tjcarter> making a custom NOOBS entry following the instructions for adding a custom OS to NOOBS, then deploying that.
[14:06] <tjcarter> All of this process is currently BY HAND and highly prone to error.
[14:06] <SirLagz> tjcarter: why are you using NOOBS ?
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[14:08] <gordonDrogon> but noobs is just a launcher for a proper OS - e.g. Raspbian...
[14:08] <gordonDrogon> I don't think it was ever designed to be tinkered with...
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[14:09] <tjcarter> gordonDrogon: NOOBS comes with instructions for tinkering with it.
[14:09] <tjcarter> NOOBS is not the problem.
[14:09] <gordonDrogon> oh? Hm. oh well then - good luck!
[14:09] <tjcarter> The only difference between a NOOBS .tar.xz and a raw image is that the raw image takes up more space and has a different /etc/fstab
[14:10] <tjcarter> (and I think actually the raw image fstab gets used to create the NOOBS fstab)
[14:12] <tjcarter> The NOOBS part isn't the issue. Everyone immediately says "Why are you using NOOBS?" But NOOBS is absolutely irrelevant to the process once you know that the .tar.xz is just your root partition from the raw image.
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[14:13] <tjcarter> The only reason that's the least bit complex to make is because if you're doing it live, you have to exclude the ten million filesystems Linux mounts to accomplish anything.
[14:14] <tjcarter> If you do this from a cbootstrap-generated image you shouldn't have to do that. But I cannot seem to get cbootstrap to even approximate the results of the Raspbian images that are released.
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[14:15] <tjcarter> SOMEWHERE there's a script that generates an image. And every time I ask about it, I get, "Why are you using NOOBS?" Like it's some kind of sin or black magic.
[14:15] <SirLagz> tjcarter: well you haven't explained why you are using NOOBS still
[14:16] <tjcarter> SirLagz: because the people I am deploying TO use Windows.
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[14:16] <SirLagz> tjcarter: what does Windows have anything to do with the Pi?
[14:16] <tjcarter> SirLagz: the whole point of this exercise is to give them easy installation from Windows. "Format your SD card, unzip this on it, and boot"
[14:17] <tjcarter> In case you haven't noticed, windows doesn't come with dd.
[14:17] <SirLagz> tjcarter: right...does the user need to use the Pi straight away after unzipping?
[14:18] <tjcarter> Yes, this is an unattended installation
[14:18] <gordonDrogon> what's wrong with getting them to follow: https://www.raspberrypi.org/documentation/installation/installing-images/windows.md
[14:18] <SirLagz> tjcarter: personally, for an unattended installation, I'd be using https://github.com/debian-pi/raspbian-ua-netinst
[14:18] <SirLagz> tjcarter: then you could customise it a lot easier than hacking up a NOOBS image
[14:19] <Swensson> When I made the arduino a slave to the pi, I fucked up the camera somehow cus now I can't detect the camera anymore-.-
[14:19] <gordonDrogon> Swensson, keep it family friendly please.
[14:19] <gordonDrogon> Swensson, please re-read the channel rules- https://goo.gl/h5qPhz
[14:20] * makaveli0227TL (~makaveli0@ Quit (Remote host closed the connection)
[14:20] <Swensson> Will do, sorry.
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[14:20] <tjcarter> gordonDrogon: Those instructions are great if you want Sonic Pi, Wolfram Engine, Minecraft, etc, etc, etc.
[14:20] <SirLagz> tjcarter: the only downside to the raspbian unattended installer is that it does take a little bit of time to download packages etc
[14:20] <tjcarter> gordonDrogon: Not so great if you want to skip a lot of those things, install other things, install configs and stuff that aren't in Raspbian, etc.
[14:21] <tjcarter> SirLagz: Right, and when I'm done hacking up my NOOBS image by hand, I can produce a new NOOBS SD card in about 1 minute off the LAN
[14:21] <gordonDrogon> well that would work if you produced a custom raspbian ...
[14:22] <tjcarter> Which is what I'm doing.
[14:22] <tjcarter> Not well, not easily, not scripted, and absolutely 100% by hand.
[14:22] <tjcarter> mostly because I have to recreate the "firstboot" condition by hand.
[14:22] <SirLagz> tjcarter: hence my earlier question of whether the user needed to start using the Pi straight away after unzipping.
[14:23] <SirLagz> tjcarter: if they didn't then scripting it + getting packages off the internet/Local cache would be far easier to maintain than you hacking up the image
[14:23] <tjcarter> Basically I'm trying to produce the Raspbian lite image, plus a bunch of my own files.
[14:23] <gordonDrogon> right - 'firstboot' - take a new raspbian image - unzip it, mount it on a Linux box using a loopback device and examine it...
[14:23] <tjcarter> If I can produce it at all, I can get it into NOOBS easily.
[14:24] <tjcarter> Yeah, I've got diffs
[14:24] <tjcarter> but presumably those scripts have origins
[14:24] <tjcarter> hence asking where those scripts come from.
[14:25] <tjcarter> unless they're not in source control anywhere, have no source package, and the Raspbian release process is closed source.
[14:25] <SirLagz> tjcarter: have you checked the Raspbian sources then?
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[14:26] <tjcarter> Well I would if I knew of any. They're not in the package pool
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[14:26] <tjcarter> Every time I try to ask where these sources are, I get asked why I'm using NOOBS
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[14:26] <tjcarter> basically, I feel like I should start lying and saying I'm trying to build a raw image :P
[14:27] <SirLagz> tjcarter: have you googled for the sources?
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[14:28] <SirLagz> tjcarter: like I said earlier, personally, I'd be using a scripted installer rather than images like you are.
[14:28] <tjcarter> Yes, Google returns 10,000,000 results, all of which are n00b questions about how to get Raspbian installed in the first place.
[14:28] <SirLagz> tjcarter: *much* less crud would end up on the user's system
[14:28] <alphis> anyone know what video drivers are used in rpi2? im running raspian jessie
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[14:28] <tjcarter> alphis: The Pi2 uses VideoCore 4 just like the older ones.
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[14:29] <tjcarter> SirLagz: If I had the script that generated the Raspbian lite image, I would be using it.
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[14:29] <SirLagz> tjcarter: I just gave you one
[14:29] <tjcarter> That's not what RPF uses.
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[14:30] <tjcarter> Also, I note it hasn't been updated for Jessie's release
[14:30] <tjcarter> Jessie is "testing".
[14:30] <SirLagz> tjcarter: no, but it generates a very small image. And it's easy enough to install Jessie using that script
[14:30] <sedition> Jessie is Jessie as far as I'm aware.
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[14:30] <sedition> I'm a +! on //github.com/debian-pi/raspbian-ua-netinst
[14:31] <sedition> Just modify the script to the Jessie repo
[14:31] <sedition> +!*
[14:31] <sedition> err, +1 jeesh
[14:31] <SirLagz> sedition: lol
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[14:32] <tjcarter> Obviously you've never dealt with a site full of machines.
[14:32] <mlelstv> .oO( it's full of machines! )
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[14:33] <sedition> I've dealt with a lot of things. Just trying to help.
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[14:33] <SirLagz> tjcarter: well, you could always do what gordonDrogon suggested.
[14:33] <tjcarter> That is what I do currently.
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[14:34] <SirLagz> < gordonDrogon> right - 'firstboot' - take a new raspbian image - unzip it, mount it on a Linux box using a loopback device and examine it... <-- you're doing that now?
[14:34] <tjcarter> Yes
[14:34] <tjcarter> That's how I have the scripts at all
[14:34] <tjcarter> (they delete themselves you know)
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[14:34] <SirLagz> tjcarter: well then you should be fine doing it your way then
[14:34] <tjcarter> if they're in any source package or whatever, I don't have it.
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[14:34] <SirLagz> tjcarter: since all the scripts will be in the image
[14:34] <tjcarter> For this exact version maybe
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[14:35] <tjcarter> they did change rather a lot between August and October after all.
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[14:36] <tjcarter> I am trying to use a scripted process, not a labor-intensive manual one.
[14:36] <SirLagz> tjcarter: https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=41520 <-- have you checked the links in this thread?
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[14:37] <mstevens> my pi zero arrived, it's so teeny
[14:37] <pigrit> aww
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[14:37] <sedition> i wonder if the pi hut is still in stock
[14:37] <sedition> i'll check once im in the office, later all
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[14:37] <tjcarter> I was about to say yes, but that looks identical to about four other threads that look all the same and were no help at all. That one seems to have what I need, thanks
[14:38] <mstevens> sedition: they sent me about 6 copies of the same email saying they're in stock, but I think it's actually out of stock
[14:38] <SirLagz> tjcarter: no probs
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[14:38] <Kamilion> [04:45:26] <Jck_true> My whole fear is ending up with an enviroment I can't recreated X years into the future <--- welcome to linux. I can't recreate my development environment for XEvil from 1999. But considering the packages still build and binaries are generated in the repo to this day, I also have no need to.
[14:38] <mstevens> but if you thought the original pi was small, this is much smaller
[14:39] <tjcarter> https://github.com/asb/spindle appears to be what I was looking for (although its documentation seems not to have been updated for jessie, but if it's what RPF is using, it's just documentation lagging behind)
[14:39] <Kamilion> oh, shoot, left the IRC client scrolled.
[14:39] <Kamilion> sorry, lol
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[14:39] <SirLagz> tjcarter: it might be outdated, I have no idea.
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[14:41] <tjcarter> agh, it is outdated.
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[14:42] <mstevens> http://raspi.tv/2015/ethernet-on-pi-zero-how-to-put-an-ethernet-port-on-your-pi
[14:43] <mstevens> this is a pretty cool option
[14:43] <mstevens> if a bit silly
[14:43] <SirLagz> mstevens: I've thought about doing that with a WiFi dongle instead of Ethernet for the Pi Zero
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[14:43] <SirLagz> mstevens: make a nice compact sensor box with WiFi
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[14:44] <wondiws> I have the original Raspberry Pi, in the /boot folder there's a kernel.img and a kernel7.img file, what's the difference, and which one is being used?
[14:44] <mstevens> SirLagz: sounds cool
[14:44] <wondiws> and what bootloader is used actually?
[14:44] <SirLagz> wondiws: kernel.img is for the original Pi, kernel7.img is for the ARMv7 Pi 2
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[14:48] <Jck_true> Kamilion: ... I guess... It just... Nags me alot :)
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[14:48] <Kamilion> Jck_true: you think it bugs YOU?
[14:49] <Kamilion> https://github.com/kamilion/kamikazi-core <-- I have to maintain my own personal OS spin because it drives *ME* bonkers!
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[14:49] <Kamilion> I *know* my ISOs will work 15 years down the line though, at least in something like vmware.
[14:49] <Jck_true> Is it viable to build linux on your own for the raspberry?
[14:50] <SirLagz> Jck_true: define viable?
[14:50] <Kamilion> what, like debootstrap?
[14:50] <Kamilion> I guess...?
[14:50] <Armand> Doable, but worthwhile?!?
[14:50] <Kamilion> wait, sorry
[14:50] <Kamilion> misunderstood
[14:50] <Jck_true> Dependency hell...
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[14:50] <Kamilion> yes, you can build the linux kernel on the raspberry pi itself.
[14:50] <Kamilion> I'd suggest figuring out something for swap memory though, if you're going to.
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[14:51] <Jck_true> I can cross compile on a server
[14:51] <Kamilion> the kernel?
[14:51] <Jck_true> Sure
[14:51] <Kamilion> yeah, in theory, if you have all the headers and the right version of GCC
[14:51] <Jck_true> I'm just wondering what the approach would be to linux development...
[14:51] <Kamilion> in practice, I've never *personally* gotten that to work.
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[14:52] <Kamilion> or I don't get reproducable binaries, or they don't match what the pi itself builds byte for byte
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[14:52] <Jck_true> I guess I can be okay with not having byte by byte compareable binaries
[14:53] <gordonDrogon> Kamilion, I built a kenel on the Pi a few weeks after I got my first 256MB Pi. I don't recall it needing any swap back then. Took 5 hours though.
[14:53] <Kamilion> there's always some flag that gets turned on with the native build that the cross compiler forgets, or vice versa.
[14:53] <Jck_true> I just wanna know I have every bit of the puzzle to recreate the firmware image
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[14:53] <Kamilion> then don't use linux.
[14:53] <Kamilion> simple as that, Jck_true.
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[14:53] <Kamilion> look at one of the other images like chibios, riscos, or any of the other non-linux images.
[14:54] <Kamilion> http://www.stevebate.net/chibios-rpi/GettingStarted.html
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[14:54] <Jck_true> Project has to be delivered in September... Webserver, WiFi hotspot, Sound driver and SPI
[14:54] <gordonDrogon> what SPI devices, Jck_true ?
[14:54] * Mikelevel (~Mr.Nobody@unaffiliated/mikelevel) Quit (Ping timeout: 240 seconds)
[14:54] <Kamilion> what?
[14:54] <Kamilion> apt-get install nginx; job done
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[14:54] * Kamilion laughs
[14:54] <Kamilion> I know, not that easy
[14:56] <Kamilion> huh, I can tell you right now, you'll have problems with a wifi access point unless you go for one of the well-supported adapters. IIRC the atheros USB sticks are generally the best if you're trying to do SoftAP.
[14:56] <SirLagz> atheros or RT5370s
[14:56] <tjcarter> SirLagz: FWIW, the first part of building a plain image looks like sudo cdebootstrap -k /usr/share/keyrings/raspbian-archive-keyring.gpg --arch armhf jessie /srv/chroot/raspbian-jessie http://mirrordirector.raspbian.org/raspbian
[14:56] <Kamilion> on the other side of that, anything using the USB port heavily ends up eating IRQ time on a BCM2832.
[14:56] <gordonDrogon> it's not my thing (making a soft AP), but does the foundation approved one work in host AP mode?
[14:57] <Kamilion> definitely go for a pi2 if you're doing anything using heavy USB traffic.
[14:57] * kolla (~kolla@brendeholten.uninett.no) Quit (Quit: Textual IRC Client: www.textualapp.com)
[14:57] <SirLagz> tjcarter: sounds like you got a start then
[14:57] <tjcarter> Assuming you're putting it in /srv/chroot/raspbian-jessie of course
[14:57] <Kamilion> "sound driver" is kind of non specific.
[14:57] <tjcarter> Unfortunately yes, I've had that part for three weeks.
[14:58] <tjcarter> The instructions are "use cdebootstrap to create a base image and then *mumblemumblemumble*"
[14:58] <Kamilion> Jck_true: http://www.samplerbox.org/ "sound driver" in this sense?
[14:58] <SirLagz> tjcarter: what instructions where?
[14:59] <tjcarter> I've now lost the origin link, it was another forum post (trying to explain it to somebody who was clearly not able to follow the explanation, which is why the rest didn't get explained.)
[14:59] <Kamilion> https://youtu.be/CDJ87UMOsE8 <--- the pi can do some pretty good audio if you don't rely on it's internal audio codec.
[14:59] <SirLagz> tjcarter: right.
[14:59] * Hectate (~Hectate@ has joined #raspberrypi
[14:59] <Hectate> morning
[14:59] <tjcarter> ISTR the guy asked about zip after being told to run cdebootstrap ...
[15:00] <gordonDrogon> Ah yes, it appears to. Stick to the foundation Wi-Fi one then :)
[15:00] * Encapsulation (~Astoundin@unaffiliated/encapsulation) has joined #raspberrypi
[15:00] <Kamilion> gordonDrogon: which chipset is that?
[15:01] <Kamilion> realteks aren't known to be great at softap.
[15:01] <SirLagz> realteks need their own version of hostapd for them to be softaps last I heard. somewhat of a pain
[15:01] <Kamilion> oh, broadcom 43143.
[15:01] <gordonDrogon> BCM43143
[15:01] <Kamilion> yah, that'll do softap fairly well.
[15:01] * gordonDrogon nods.
[15:02] <Kamilion> not gonna be great at signal strength with the tiny nano adapters though
[15:02] <SirLagz> you could probably crack em open and solder an antenna onto them pretty easily though
[15:02] <gordonDrogon> I had some of the other ones - realtek - and the Pi's weren't stable with them - crash every day or 2 - swapped out to those ones and been great ever since.
[15:03] <gordonDrogon> my oven controller: gordon @ beaky-pi$ uptime
[15:03] <gordonDrogon> 14:02:55 up 27 days, 19:18, 2 users, load average: 0.00, 0.01, 0.05
[15:03] <SirLagz> gordonDrogon: using wifi?
[15:03] <Kamilion> Never had that problem at all, my wireless adapter has never failed me. http://www.dx.com/p/tp-link-tl-wr703n-mini-3g-2-4ghz-802-11b-g-n-150mbps-wireless-router-blue-158552
[15:03] <gordonDrogon> SirLagz, yes - wi-fi - it's an A+
[15:03] <Kamilion> of course, I plug mine into the ethernet jack.
[15:03] <SirLagz> gordonDrogon: nice
[15:03] <tjcarter> I'm rather hoping that the Pi Zero will lead to some not-terrible USB OTG hubs with Ethernet popping up.
[15:03] * elsevero (~elsevero@ Quit (Quit: elsevero)
[15:03] <gordonDrogon> http://unicorn.drogon.net/IMG_20151108_165714.jpg <-- before I changed the Wi-Fi dongle.
[15:03] <Kamilion> so I don't have to deal with iwconfigure, softap, or any of that nonsense from the pi's linux
[15:04] <tjcarter> The one I picked up was an example of the ones that are terrible.
[15:04] * cssko (~cssko@cpe-24-209-193-122.cinci.res.rr.com) has joined #raspberrypi
[15:04] <gordonDrogon> tjcarter, there are already some otg -> usb A adapters. e.g. https://shop.pimoroni.com/products/usb-to-microusb-otg-converter-shim
[15:04] <Kamilion> I picked up a box of these tplink WR-703Ns for ~$16 each, I think. Hadda get 20 to get the price that low. Totally worth it though, I have meshed networking running on them.
[15:05] <SirLagz> Kamilion: 20? lol.
[15:05] <SirLagz> Kamilion: nice deal though
[15:05] <tjcarter> gordonDrogon: Yes, but there are also OTG hubs for phones that don't need one.
[15:05] <SirLagz> Kamilion: they're $40 AUD each for me =/
[15:05] <tjcarter> And a couple of them that have ethernet
[15:05] <SirLagz> tjcarter: they'll also probably cost 10 the amount of the Pi zero lol
[15:05] <Kamilion> SirLagz: yeah... I ended up selling a bunch to my friends for a $20 and a pack of cigerettes of my choice ($6.50)
[15:05] <tjcarter> The problem is that most of the USB2 ones are _terrible_ Wun Hung Lo crap
[15:06] <Kamilion> tjcarter: heh, remind me a bit of dave jones
[15:06] <tjcarter> Kamilion: I think he's the one who coined the term ;)
[15:06] <vuokkovuorinnen> anyone got an idea when the raspberry pi zero is gonna be in stock again? very eager to pick me up a few
[15:06] * mlelstv (~mlelstv@tazz.1st.de) Quit (Read error: No route to host)
[15:06] <Kamilion> nah, he just uses it a lot
[15:07] <tjcarter> It's pretty descriptive, sadly.
[15:07] <Kamilion> I recall my father using the term in the 80s to describe the window air conditioner units we had
[15:07] <mstevens> vuokkovuorinnen: mine just arrived, I admit this is not amazingly helpful
[15:07] <mstevens> they are amazingly tiny
[15:08] <Kamilion> gordonDrogon: hey, do you happen to know if that BCM wifi needs firmware loaded, or if the one they're selling on the store stores it on SPI?
[15:08] <gordonDrogon> Kamilion, no idea - I plugged it in - it worked.
[15:08] <Kamilion> dang. Ah well, worth a try asking.
[15:09] * Kamilion is very wary about buying any hardware that's supposed to be linux compatible (and then later discovering it needs a firmware upload on boot)
[15:09] * Kamilion points a finger at his USB HDMI capture rig like the evil money from Family Guy
[15:09] <Kamilion> *monkey
[15:10] <mstevens> I'm tempted to try the ethernet link I found earlier with the pi zero
[15:10] <Hectate> mstevens: I was just thinking the same thing. I love the pi0 but ethernet would be that slight bit extra I need for it.
[15:11] * Shadyz (~yaaic@ has joined #raspberrypi
[15:11] <mstevens> Hectate: http://raspi.tv/2015/ethernet-on-pi-zero-how-to-put-an-ethernet-port-on-your-pi
[15:11] <Kamilion> Worst part is; it won't do anything but "HD" resolutions. won't do 4:3 at all. no 640x480, no 800x600, no 1024x768, no 1280x1024... :< :< :<
[15:11] <mstevens> Hectate: I haven't tried it, just found the article
[15:11] <gordonDrogon> Kamilion, there is no indication if any firmware being loaded from the kernel messages.
[15:11] * Hectate *reading*
[15:11] <Kamilion> gordonDrogon: Thanks for actually checking!
[15:12] <Shadyz> hey guy need help with my pi..I just got them on Amazon
[15:12] * Tera2342 (~Tera2342@ Quit (Ping timeout: 256 seconds)
[15:13] * kolla (~kolla@ has joined #raspberrypi
[15:13] <Shadyz> wgen I switch it on the red and the green lights are both on
[15:14] <Shadyz> at the sa
[15:14] <Kamilion> got the noobs card in it?
[15:14] * knob (~knob@mobile-166-172-189-053.mycingular.net) Quit (Quit: Leaving)
[15:15] <Shadyz> yea I guess
[15:15] <Shadyz>
[15:15] <Shadyz> is there a way around
[15:16] <Kamilion> uh, sorry dude, I cannot grok the concept you are trying to convey.
[15:17] <gordonDrogon> It's usual for both the red and green LEDs to be on on a Pi.
[15:17] <Kamilion> You have inserted the SD card with the operating system, plugged it into an HDMI television?
[15:17] <Shadyz> yea I did
[15:17] <gordonDrogon> the green LED flickers when it accesses the SD card.
[15:17] <Shadyz> no both the red light and the green don't flicker
[15:18] <Shadyz> they both just stay on
[15:18] <Shadyz> with flicking
[15:18] <vuokkovuorinnen> Shadyz: what's on your SD card? one of those preloaded noobs cards? or a card you made yourself?
[15:18] * TheSin (~TheSin@gateway.bluefalls.ca) has joined #raspberrypi
[15:18] <Shadyz> I made myself
[15:19] <selckin> from which os?
[15:19] * travnewmatic (~travnewma@pool-173-57-109-204.dllstx.fios.verizon.net) has joined #raspberrypi
[15:19] <Shadyz> noobs
[15:19] <gordonDrogon> hmph. postie just rung the door - dashed downstairs hoping for my pimoroni delivery - turned out to be another 5Kg of mincemeat. Bother.
[15:19] * n9jlo (~John@2601:249:200:fdd1:61c5:ceb2:c47b:3f45) Quit (Ping timeout: 260 seconds)
[15:19] <selckin> like from linux? i followed the official guide and had the same problem, partition table needed to be made differend or something
[15:19] <vuokkovuorinnen> never used noobs, i just 'dd' raspbian image to my cards
[15:19] <Shadyz> later I use raspbian
[15:20] <mstevens> gordonDrogon: at least you have some mincemeat to console yourself
[15:20] <selckin> also possible card isn't pushed in fully and clicked, i've accidently unplugged it handling the pi and then both lights are on too
[15:21] <mstevens> gordonDrogon: I ordered a pi zero monday and it arrived today
[15:21] <Hectate> mstevens: interesting. I'll probably skip that and just get a Pi2 later but use the zero for other stuff. It's all for fun anyway.
[15:21] <mstevens> Hectate: yeah it's all good fun
[15:21] <mstevens> Hectate: for my main plan the zero should be fine without ethernet
[15:22] <Shadyz> think I need to get a new one
[15:22] <mstevens> I'm still in awe of how tiny the zero is
[15:22] <Hectate> mstevens: I've always wanted to dig into assembly code so that was a fun excursion to learn about. Next up time to try some C programming (done it in the past in Quake engine, so it's not all new)
[15:23] <Shadyz> c is a great programMing language
[15:23] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) has joined #raspberrypi
[15:23] <mstevens> I was going to be less educational, I plan to use the zero to play games :)
[15:23] <Shadyz> but I love python better
[15:23] <Swensson> Can anyone help me with raspberry pi 2 pigpio esc? ;P
[15:24] <Hectate> mstevens: I might close it up as a retropi gaming station for the kids
[15:24] <Shadyz> Swensson what your problem probably is similar to mine
[15:24] * Ezriilc (~Ezriilc@173-168-63-225.res.bhn.net) has joined #raspberrypi
[15:24] <Kamilion> Swensson: electronic motor speed control?
[15:25] <Kamilion> Swensson: brushless DC or direct DC?
[15:25] <Swensson> Kamilion: That's right :)
[15:25] <Swensson> Kamilion: Brushless motor
[15:25] <Kamilion> pigpio ain't gonna be fast enough to do that
[15:25] <Swensson> Shadyz: I can't really control it ;P
[15:25] <Swensson> Kamilion: oh, okej:O
[15:25] <gordonDrogon> I like BASIC better myself ...
[15:26] * t0mab (~t0mab@ Quit (Remote host closed the connection)
[15:26] <Kamilion> Swensson: I've got one of these on the way, after trying the pigpio route myself. http://vedder.se/2015/01/vesc-open-source-esc/
[15:26] <Kamilion> Swensson: the beaglebone black ended up doing a much better job bitbanging the brushless drivers
[15:27] <Hectate> I'm curious; has anyone ever tried wiring a keyboard to the GPIO for baremetal work, instead of using the USB?
[15:27] <Kamilion> Hectate: yes.
[15:27] * Tenkawa (~arakeen@unaffiliated/tenkawa) has joined #raspberrypi
[15:27] * Wermwud (~wermwud@69-29-150-18.stat.centurytel.net) has joined #raspberrypi
[15:27] <Kamilion> I interfaced it with the matrix of an IBM model M.
[15:28] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 256 seconds)
[15:28] <Swensson> Beaglebone is kinda expensive tho, I got raspberry pi b .
[15:28] <Kamilion> my roomie wanted her keyboard fixed up, and I hadn't heard of https://github.com/tmk/tmk_keyboard yet
[15:28] <Kamilion> Swensson: the beaglebone black has a 300Mhz companion CPU that drives the IO pins.
[15:28] <Tenkawa> I have a few beaglebone black units.. havent powered em up in ages though
[15:29] <Kamilion> Swensson: linux simply is unable to deal with the strict timing needed to keep a brushless motor running at 27000 RPM.
[15:29] <mstevens> Hectate: yeah I plan to play some retropi
[15:29] <Tenkawa> the pi2 and olinuxino boards I have now have completely worked for me
[15:29] <Kamilion> Swensson: the solution is to offload that realtime task on to a dedicated microcontroller
[15:29] <Tenkawa> Kamilion: radio control?
[15:29] <Swensson> I got a arduino as a slave to the Pi if that's any better?
[15:30] <Kamilion> quite a bit!
[15:30] * speeddragon (~speeddrag@ Quit (Remote host closed the connection)
[15:30] <Kamilion> but you'll still run into the same problem if you're trying to run a brushless motor over say, 16000 RPM... after all, your 16Mhz crystal will only get your time slices so small.
[15:31] <Kamilion> you may even have to solder on a 20Mhz or 24Mhz crystal to the arduino to get it over the hump.
[15:31] * speeddragon (~speeddrag@ has joined #raspberrypi
[15:31] <Swensson> okej
[15:31] <Swensson> So I should stick with controlling the esc via the arduino ?
[15:32] * t0mab (~t0mab@ has joined #raspberrypi
[15:33] <Tenkawa> Swensson: this on a radio control vehicle/project?
[15:33] * ech0s7 (~ech0s7@ has joined #raspberrypi
[15:33] <Kamilion> we, uh, ended up going the overkill route with an STM32F405RG.
[15:33] <Kamilion> http://www.mouser.com/ProductDetail/STMicroelectronics/STM32F405RGT6/
[15:33] <Kamilion> 168Mhz so we were able keep up with the brushless drive
[15:33] <Kamilion> we needed a minimum of 50Mhz
[15:33] <Swensson> Kamilion: GOing with xbee but atm I don't have any radio
[15:33] <Kamilion> I think scott's figures were 56Mhz
[15:34] * willmore (~willmore@ Quit (Ping timeout: 272 seconds)
[15:34] <Kamilion> huh, I'm just using a cheap wireless wii nunchuck
[15:35] <Kamilion> http://www.amazon.com/gp/offer-listing/B0012R58LG/
[15:35] <Kamilion> the receiver is just i2c
[15:35] <Kamilion> https://www.sparkfun.com/products/9281
[15:36] <Shadyz> and wat the frequency
[15:36] <ech0s7> i would pass some parameters on kernel module load, i put the kernel module name into /etc/modules in order to autoload at boot
[15:36] <Kamilion> who cares, not my problem.
[15:36] <ech0s7> but how to pass arguments ?
[15:36] <Swensson> I got a wireless & wired xbox controller... That's why I wanna use xbee ;) I whould like to control it with that controler
[15:36] <Kamilion> ech0s7: follow the module name with the parametrs in /etc/modules, I think
[15:36] <Tenkawa> Kamilion: if you dont mind me asking, is this for work, school, or fun/hobby?
[15:36] <Kamilion> Tenkawa: what?
[15:37] <Tenkawa> Kamilion: building these interfaces/kits
[15:37] <Kamilion> what?
[15:37] <Shadyz> curiosity
[15:37] * Kamilion confused now
[15:37] <Kamilion> Tenkawa: I'm sorry, I just posted a lot of links in a row, you'll have to be a bit more specific in which one you're referring to.
[15:37] <Tenkawa> didnt you say you put a wii nunchuck controller on something?
[15:37] <Shadyz> he want to know the reasons why
[15:37] <Kamilion> yeah, I use it to control my vESC
[15:37] <Tenkawa> Shadyz: exactly
[15:37] <Shadyz> you building them
[15:38] <Tenkawa> ahh speed controller for r/c?
[15:38] <Kamilion> no.
[15:38] <Kamilion> http://vedder.se/2015/01/vesc-open-source-esc/
[15:38] <Kamilion> 2kw brushless controller.
[15:38] <Kamilion> I have one in my scooter, and another one coming for my skateboard
[15:38] <Tenkawa> oh that is so cool
[15:39] <Kamilion> https://www.youtube.com/watch?v=G8f0xg7DNmM
[15:39] * Tenkawa use to do r/c building with very small brysheless/esc combinations back in the 90's
[15:39] <Kamilion> That's not me.
[15:39] <Tenkawa> er brushless
[15:39] <Kamilion> yeah, cheap hobbyking ESCs are terrible at dealing with smooth torque.
[15:39] <Tenkawa> yep
[15:40] <Kamilion> they have a very horrible stepping feel to them because they're using such a slow microcontroller
[15:40] <Tenkawa> they were really bad for precision racing (which is what we did) back then
[15:40] <Tenkawa> that being said they were also very expensive
[15:41] <Tenkawa> its really neat to see how much they've advanced... too bad r/c car hobby has dwindled
[15:41] <Kamilion> http://files.sllabs.com/files/images/pictures/oops_battery.jpg <--- why I got my scooter so cheap.
[15:41] <Kamilion> http://files.sllabs.com/files/images/pictures/oops_brushless_family.jpg <--- the scooter, my deck (which will be electric soon)
[15:41] <Tenkawa> air vehicles are still fairly popular but I'm more interested in ground units
[15:41] <Kamilion> http://files.sllabs.com/files/images/pictures/oops_deck.jpg <--- the batteries that came in the scooter, with the burnt one in the front.
[15:42] <Hectate> hrm
[15:42] <Kamilion> http://files.sllabs.com/files/images/pictures/oops_scene.jpg <--- and a better view at how big the scooter actually is.
[15:42] <Kamilion> it's a full sized gasoline scooter frame, with a 2200W brushless motor on the rear wheel (stock from china)
[15:42] <Swensson> Kamilion, could you help me get going with my brushless outrunnner motors?... I want to control em with xbox controller. got a arduino and raspberry pi b
[15:42] <Tenkawa> Kamilion: do you have any problems with its weight to torque ratios?
[15:42] <Tenkawa> ahh gas
[15:43] <Kamilion> Swensson: I already did
[15:43] <Kamilion> Tenkawa: not gas, brushless.
[15:43] <Shadyz> am planning some cool projects with pi for some kids any ideas
[15:43] <Kamilion> and I don't know, I havn't been able to ride it yet
[15:43] <Tenkawa> no i meant the frame
[15:43] <Shadyz> inexpensive though
[15:43] <Kamilion> I don't have a replacement set of batteries.
[15:43] <Tenkawa> kinda a heavy frame
[15:43] * makaveli0227TL (~makaveli0@ Quit (Remote host closed the connection)
[15:43] <Tenkawa> yeah batteries are still a pain
[15:44] * makaveli0227TL (~makaveli0@ has joined #raspberrypi
[15:44] <Kamilion> Swensson: I gave you the information I gathered myself: I could not get pigpio to step the motor smoothly. I couldn't get an arduino to step the motor smoothly.
[15:44] * TheRinger (~TheRinger@c-73-35-211-122.hsd1.wa.comcast.net) Quit (Quit: Leaving)
[15:44] <Tenkawa> whats the preferred battery tech nowadays? we were trying to use lithium ion and nimh mostly
[15:44] <Swensson> Oh
[15:44] <Kamilion> when I asked, I was told I needed at least a 50Mhz processor to do it smoothly
[15:45] <Kamilion> so we went with a 168Mhz STM32F405RG.
[15:45] <Kamilion> No problems there.
[15:45] <Kamilion> smooth as butter.
[15:45] <Kamilion> no jerky stepping at all.
[15:45] <Swensson> Oh okej
[15:45] <Kamilion> And ben's working on field oriented control right now
[15:45] * gorroth (~pi@unaffiliated/gorroth) has joined #raspberrypi
[15:45] <Kamilion> https://www.youtube.com/watch?v=ISzeSLpZWbM <--- here's the field oriented control demo video from a month ago.
[15:46] <Swensson> I got no idéa how to replace a processor ;P
[15:46] <Kamilion> I've got an odroid C1 connected to mine, running opencv.
[15:46] <Kamilion> eh?
[15:46] <Swensson> http://www.mouser.se/search/ProductDetail.aspx?R=0virtualkey0virtualkeySTM32F405RGT6 ?
[15:46] <Kamilion> http://www.enertionboards.com/electric-skateboard-parts/vesc-motor-controller/ <--- the processor is already part of the motor controller.
[15:46] <Kamilion> http://www.enertionboards.com/product_images/n/849/enertion_double_vesc_motor_controller_v4__20221.jpg
[15:47] <Kamilion> that guy right there on the right.
[15:47] <Kamilion> https://github.com/hackvana/guides/wiki/VESC-BLDC-controller-board <--- hackvana sells the bare boards for a pretty good price.
[15:48] <Kamilion> 10 blank boards for $72
[15:48] <Kamilion> bill of materials is about $68 per board
[15:48] <Kamilion> the one in my scooter, I hand soldered.
[15:48] <Kamilion> I have another one on the way from enertion for my skateboard.
[15:48] <Kamilion> and I'll probably swap the two and see if I can notice any differences in them.
[15:49] <Kamilion> Tenkawa: liminico
[15:49] <Kamilion> Tenkawa: http://www.batteryspace.com/LiNiMnCo-Cells/Packs.aspx
[15:50] <Kamilion> http://www.batteryspace.com/linimnco-26650-rechargeable-cell-3-6v-5ah-18wh-15a-rated---un38-3-passed--.aspx <--- 5Ah cylindrical 26650 cells.
[15:50] <Kamilion> Deliciousness.
[15:50] <Tenkawa> oh wow
[15:50] <Tenkawa> thats quite changed since my days
[15:51] <Kamilion> yeah, you'd recall something similar to this
[15:51] <Kamilion> http://www.batteryspace.com/Customize-LiMnNi-26650-Battery-pack-11.1V-8Ah-88.8-Wh-10A-rate-with-PCM.aspx
[15:51] * morty_ (~mort@collared.club) has joined #raspberrypi
[15:51] <Shadyz> u can have more information about batteries from batteryuniversity.com
[15:51] <Kamilion> unless you're really getting into the big lithiums
[15:51] <Kamilion> http://www.batteryspace.com/LiFePO4-Prismatic-Batteries.aspx
[15:51] <Tenkawa> nice
[15:52] <Kamilion> like these 20amphour to 200 amphour prismatic cells.
[15:52] <Tenkawa> Shadyz: battery tech never stays still very long does it?
[15:52] <Kamilion> http://www.batteryspace.com/lifepo4-prismatic-module-3-2v-200-ah-10c-rate-640-wh-un38-3-passed-dgr.aspx <--- 200Ah, 10C rate.
[15:53] <Tenkawa> I could just picture a nice road racing r/c car with a pi zero controller in it
[15:53] <Kamilion> still at 3.2 volts per cell, so you end up stacking cells to get voltage instead of capacity.
[15:53] <Shadyz> that because they not trying to build with efficiency on mind
[15:53] <Tenkawa> man that would be fun
[15:53] <Tenkawa> Shadyz: indeed
[15:53] <Kamilion> the prismatics? they certainly are.
[15:53] <Kamilion> that's the highest energy density you can achieve in an off the shelf UN38.3 Passed pack.
[15:54] * ech0s7 (~ech0s7@ Quit (Quit: This computer has gone to sleep)
[15:54] <Kamilion> for lithium, at least.
[15:54] <Kamilion> for other chemistries, the biggest density over time is nickel iron batteries.
[15:54] <Kamilion> http://ironedison.com/
[15:54] * Flynnn (~textual@unaffiliated/flynnn) Quit (Quit: Auf Wiedersehen!)
[15:55] <Kamilion> 800aH at 1.2V per cell.
[15:55] <Kamilion> but they're too expensive to be worthwhile.
[15:55] <Kamilion> better off trolling craigslist looking for forklift cells for cheap.
[15:56] <Kamilion> as long as you have no issues with weight, that is.
[15:56] <Kamilion> Ah crud, 7am and I havn't slept.
[15:56] <Kamilion> AFK, gotta shower and stuff.
[15:57] <pigrit> noob question - should one NOT solder all ground wires together
[15:57] <Hectate> run by your local Tesla showroom and pick up a few spare batteries
[15:57] <Hectate> lol
[15:57] <Shadyz> Kamilion you yet to answer mine question
[15:57] <Kamilion> pigrit: which ground -- digital ground, analog ground, Analog ground reference, cable sheilding ground, or a negative terminal on a battery ground?
[15:58] * i8igmac (~bigmac@174-24-210-102.tukw.qwest.net) Quit (Ping timeout: 256 seconds)
[15:58] <Kamilion> Shadyz: sorry, I didn't notice a question, lemme scroll up.
[15:58] <Hectate> harvest them from broken laptops...
[15:58] * exobuzz (~xbuzz@2001:470:1f09:1970:225:22ff:febd:27b8) Quit (Remote host closed the connection)
[15:58] <pigrit> D:
[15:58] * Igramul (~hans@unaffiliated/igramul) has joined #raspberrypi
[15:58] <pigrit> ground that goes in the ground pin
[15:59] <Kamilion> Shadyz: sorry, I don't see any questions in the last 40 minutes.
[15:59] <pigrit> ...cable shielding ? wild guess
[15:59] <pigrit> dang it was negative terminal wasn't it
[15:59] <Kamilion> pigrit: generally, ground should be "the 0 volt reference"
[15:59] <Shadyz> My pi have both light on without flicking
[15:59] <Kamilion> there's a bunch of electrical situations where that is not the case
[16:00] <gordonDrogon> I fancy an electric Tuk Tuk for bread delivery here ...
[16:00] <Kamilion> Shadyz: Sorry mate, I havn't touched my pis in months.
[16:00] <Shadyz> hmmm...then I think I need to get a new one
[16:00] <Kamilion> I still havn't even downloaded jessie
[16:01] <Kamilion> is there something wrong with yours>?
[16:01] <pigrit> so is that negative terminal ground
[16:01] <Kamilion> pigrit: when running from a battery that's isolated from earth (ground), yes.
[16:01] <Shadyz> probably is brisked though is new
[16:01] * zaphomet (~zed@ Quit (Remote host closed the connection)
[16:01] <Kamilion> when running from a regulated 5V supply, like a wall wart, you do not want to connect your pi's ground with the ground pin on the AC outlet.
[16:02] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[16:02] <pigrit> I'm just talking about the ground of all the stuff I've got connected to the pi
[16:02] <Kamilion> off the GPIO header?
[16:03] * Flynnn (~textual@unaffiliated/flynnn) has joined #raspberrypi
[16:03] <pigrit> yes
[16:03] <Kamilion> yeah, usually fine, I think the entire pi board shares a ground plane
[16:03] <Kamilion> lemme figure out where the heck my pi2 is and look
[16:03] <pigrit> I mean, since on the breadboard I put a G on a rail and then connect everything there
[16:03] <pigrit> makes sense but being a noob it doesn't hurt to ask
[16:03] * monocle (~bob@ Quit (Ping timeout: 250 seconds)
[16:03] <Shadyz> ok
[16:04] <Kamilion> odroid, odroid, odroid, lpc1769, a10, a10, a20, a10, another lpc JTAG board...
[16:04] * ahhMichael (~ahhMichae@ has joined #raspberrypi
[16:04] <Kamilion> here's one of the odroid-w BCM2832s, but that's not helpful for this
[16:04] <Kamilion> I can see all the ground planes are connected on it though
[16:05] <Kamilion> ah, there it is. pi2.
[16:05] <Kamilion> pigrit: yeah, looks like they're all on the same ground plane.
[16:05] * randomProgrammer (~randomPro@ Quit (Quit: randomProgrammer)
[16:06] * ahhMichael (~ahhMichae@ Quit (Client Quit)
[16:06] * randomProgrammer (~randomPro@ has joined #raspberrypi
[16:06] <Kamilion> Shadyz: your pi2 is probably fine -- you should try reflashing your SDCard a few times
[16:06] * rymate1234 (~rymate@2001:41d0:1:9a60::1) Quit (Quit: kthnxbai)
[16:07] <Kamilion> mine has the same behavior yours does when my SDcard isn't plugged in
[16:07] <Kamilion> just checked for ya.
[16:07] <Kamilion> if you need a good SD image burner, I recommend http://rufus.akeo.ie/ for windows.
[16:08] <Shadyz> I thought of reprogramming the firmware
[16:08] <Kamilion> "Create a bootable disk using..." pull down and select DD image
[16:08] * tomeff (~tomeff@ip-89-176-75-234.net.upcbroadband.cz) Quit (Ping timeout: 240 seconds)
[16:08] <Kamilion> pi boards have no firmware that can be reprogrammed, Shadyz. The GPU's bootloader is mask rom, not reflashable.
[16:09] * ech0s7 (~ech0s7@ has joined #raspberrypi
[16:09] <Kamilion> it will load the rest from the SDCard's fat boot partition
[16:09] <Kamilion> then the loaded linux kernel will look for a linux filesystem on the rest of the card, generally.
[16:09] * ech0s7 (~ech0s7@ Quit (Remote host closed the connection)
[16:10] * makaveli0227TL (~makaveli0@ Quit (Remote host closed the connection)
[16:10] <Kamilion> Generally, this is quite helpful, cause it's really hard to brick a pi. Just pull the SD card out and reformat it.
[16:10] <Kamilion> now i really gotta take off for a bit; g'luck and happy hacking.
[16:11] * Flynnn (~textual@unaffiliated/flynnn) Quit (Quit: Auf Wiedersehen!)
[16:11] * rymate1234 (~rymate@ns354110.ip-91-121-101.eu) has joined #raspberrypi
[16:11] <Kamilion> Also -- I've had trouble with cheap SD cards
[16:11] * Tenkawa really wants to get a zero
[16:11] <Kamilion> if you've got a sandisk SD card, I've never had any problems with real ones
[16:11] <Tenkawa> the sandisk ones work great for me too
[16:12] * tchan (~tchan@lunar-linux/developer/tchan) Quit (Quit: WeeChat 1.2)
[16:12] <Kamilion> if the logo looks all fake and drawn on with white-out, it's probably a fake
[16:12] <Kamilion> real sandisk SDcards are laser marked
[16:12] <gordonDrogon> finally getting round to writing a blog on my Pi controlled oven... I might even finish it one day...
[16:12] <Tenkawa> gordonDrogon: oh thats cool
[16:12] <Kamilion> I use "Real" sandisk 2GB cards (I bought a bunch of them from amazon a while back)
[16:12] * Kamilion takes off
[16:12] <Tenkawa> gordonDrogon: pizza oven done that way would be so useful
[16:13] <Kamilion> gordonDrogon: which kind of oven, pcb or food?
[16:13] * davor (~davor@unaffiliated/davor) Quit (Ping timeout: 246 seconds)
[16:14] <gordonDrogon> Tenkawa, nah, you just need more heat, then even more for pizza :-)
[16:14] <gordonDrogon> Kamilion, food - bread & cake.
[16:15] <Tenkawa> gordonDrogon: well if you are messing with different crust styles it could be handy
[16:15] <Tenkawa> and its just neat
[16:16] <gordonDrogon> I don't do pizza that often - when I do lots, I fire up the wood fueld one.
[16:16] <Tenkawa> ahhh
[16:16] <Tenkawa> hm what about baked macaroni dishes?
[16:16] <gordonDrogon> you're welcome to them :)
[16:17] <Tenkawa> heehee
[16:17] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) has joined #raspberrypi
[16:17] <gordonDrogon> although - you've given me ideas... I do a weekly market table - msotly bread, pastys and quiche - but a macaroni pie in a foil dish... nice cheese sauce - cheap & cheerfull...
[16:18] <Tenkawa> oooh that sounds good
[16:18] <gordonDrogon> and there's always maraconi pie in Scotland.
[16:18] <Tenkawa> ah
[16:18] <gordonDrogon> http://www.diyscotchpie.co.uk/our-recipes/macaroni-and-cheese-pie
[16:18] <Tenkawa> was wondering what area of the world you were describing
[16:19] <Tenkawa> nicd
[16:19] <gordonDrogon> forming the shells is hard by hand though - there's a nice machine that does it.
[16:19] <Tenkawa> er nice
[16:19] * Tenkawa remembers his days in Guernsey
[16:19] <gordonDrogon> I'm scottish, living in Devon, england..
[16:19] <gordonDrogon> I run a bakery/catering thing as well as doing geek stuff.
[16:20] <Tenkawa> I spent a few weeks there and Luxembourg back a decade or so ago
[16:20] * davor (~davor@unaffiliated/davor) has joined #raspberrypi
[16:20] * JK-47 (RJ@2600:3c03::f03c:91ff:fe73:fc8) has joined #raspberrypi
[16:20] * Jck_true (~jck_true@unaffiliated/jcktrue/x-390518) Quit (Read error: Connection reset by peer)
[16:20] * n9jlo (~John@c-73-246-93-12.hsd1.il.comcast.net) has joined #raspberrypi
[16:20] <Tenkawa> I wanted to move there
[16:20] <Tenkawa> especially Luxembourg
[16:20] <gordonDrogon> not been there myself.
[16:21] <gordonDrogon> although I want to visit the channel islands at some point.
[16:21] <Kamilion> Swensson: Ah, just got an IM back from scott; he says I am mistaken, 50mhz was for the self balancing code to work for his thing. says you can probably do it with a 20mhz arduino
[16:21] <Kamilion> Swensson: and from hearing that, I've gotten the pitft working over SPI at I think 30mhz
[16:21] <Tenkawa> gordonDrogon: i plan on getting back to Guernsey or Jersey at some point for vacation at least
[16:21] <gordonDrogon> ardupilot runs on a 16Mhz arduino...
[16:22] <Kamilion> Swensson: so in theory, with a pi2, pigpio should be able to bitbang a brushless controller chip fast enough.
[16:22] <gordonDrogon> (or did when I last looked - I didn't think their code was that efficient though)
[16:22] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 256 seconds)
[16:23] <Kamilion> gordonDrogon: ardupilot talks to cheap hobby escs using the standard futaba-style PWM servo pin.
[16:23] <gordonDrogon> I know...
[16:23] <Kamilion> that's hardware controlled; not quite the same as having to keep track of a three phase brushless controller.
[16:24] <gordonDrogon> it's effectively off-loaded the motor control to a separate processor.
[16:24] <Kamilion> so yeah, ardupilot can do a lot with their 16mhz because they're not doing anything paticularly realtime to the picosecond degree you need to step magnetic fields smoothly without collapsing the waveform with the back-emf from the motor.
[16:24] <Swensson> Kamilion: Okey.. Im not really sure how to get this all working... I think I gotta redo the plans...
[16:25] <Kamilion> Swensson: how accurate do you need your stepping to be?
[16:25] <Kamilion> RC car, where you really don't care, small robot where you need to do somewhat accurate odometry...
[16:25] <Swensson> quad
[16:26] <Swensson> quadcopter*
[16:26] <Kamilion> driving external PWM escs, off hobbyking.com?
[16:26] <Swensson> nah, rcflyg.se....simon emax series...20'a ecs's
[16:26] <Kamilion> http://www.hobbyking.com/hobbyking/store/__9090__Turnigy_20A_BRUSHED_ESC.html
[16:26] <Kamilion> lil guys like this?
[16:26] <Swensson> yeah
[16:27] <Kamilion> no biggie. those are pwm controlled.
[16:27] <Kamilion> no more than 16khz
[16:27] * Shadyz (~yaaic@ Quit (Ping timeout: 246 seconds)
[16:27] <Kamilion> pigpio will do that all day, no problem
[16:27] <Swensson> So no need for raspberry?
[16:27] <Swensson> arduino*
[16:27] <Kamilion> should be no issue driving it right from the pi2.
[16:28] <Kamilion> gotta be a pi2 though -- need those quad cores.
[16:28] <Swensson> oh okej
[16:28] <Swensson> I got a pi b ...I think it's that
[16:28] <Kamilion> the gpio stuff is the same either way
[16:28] <Kamilion> but you'll be doing a lot of interrupt processing
[16:28] <Kamilion> the quad core on the pi2 does a MUCH better job at that
[16:29] <Swensson> Lucky for me I got one of thoose :D
[16:29] <Kamilion> since your code can be running on core 1 while the interrupts are being processed by the kernel on core 0, leaving two more cores free and idle.
[16:29] <Kamilion> take a look at coroutines in python 3.4/3.5
[16:29] <Kamilion> https://www.youtube.com/watch?v=sPiWg5jSoZI <--- 3 hour long video. AND ONE OF THE BEST.
[16:29] <Kamilion> https://www.youtube.com/watch?v=D1twn9kLmYg <--- same dude, 2014 ( a year later ) with a 4 hour talk extending the 2013 3 hour talk.
[16:30] <Kamilion> first one will get you in the groove to understand the second one.
[16:30] <Kamilion> http://www.diveintopython3.net/ should carry you the rest of the way
[16:30] <Kamilion> then you can use 3 of the four cores yourself
[16:31] <Swensson> Okey, I'll give em a shot, thanks for the tips Kamilion =)
[16:31] <Kamilion> yeah, sorry for the bad data earlier
[16:31] <Kamilion> good thing scott woke up and told me I'm a doofus and misremembered the 50mhz thing.
[16:31] <Kamilion> he made a segway self-balancing thing.
[16:31] <Swensson> No worries, I appreciate the help.
[16:31] * Aboba (~Bob@S010614cc209fc3d3.gv.shawcable.net) has joined #raspberrypi
[16:32] <Swensson> haha wow
[16:32] <Kamilion> that vESC I linked is essentially one of those little 20A units on steroids
[16:32] <Kamilion> fully programmable, not limited to just a simple pulse on a wire to set it's speed
[16:33] <Kamilion> and they can be networked via CAN BUS too.
[16:33] <Kamilion> so you only need to talk to one controller for say, an octocopter.
[16:33] <Swensson> Whould be fun to go on with that kind of power when I get the grip of the use of theese things :P
[16:33] <Kamilion> you in the US?
[16:33] <Swensson> Sweden
[16:33] * makaveli0227TL (~makaveli0@ has joined #raspberrypi
[16:34] <Kamilion> https://t.e2ma.net/message/nhqch/bk8mbj <-- the USA just passed some drone registration stuff.
[16:34] <Kamilion> expect european union to follow suit after some time.
[16:34] <Tenkawa> Kamilion: yeah that came as a surprise to me
[16:34] <Hectate> not surprising, but somewhat disappointing
[16:34] <Hectate> *for me
[16:35] <Kamilion> not really much of a problem
[16:35] <Kamilion> no harder than qualifying for a ham radio license.
[16:35] <Swensson> lucky for me we don't have that yet ;D ....
[16:35] <Tenkawa> not that it happened as much as there being any agreement between legislation/etc on what to regulte
[16:35] <Kamilion> and honestly? too many people were being jerks and flying over forest fires and stuff
[16:35] <Tenkawa> Kamilion: indeed
[16:35] <Kamilion> and air ports... and apple's HQ... (lol)
[16:35] <Hectate> yeah
[16:35] <Kamilion> so really, there has to be some accountability.
[16:35] <Hectate> and there was that kid that got his eye cut in half from a neighbor being potentially reckless
[16:36] <Kamilion> even if it's just a qr code sticker you slap on the bottom of your quad
[16:36] * Tenkawa notes ham radio licensing (at least when he got his) was not the easiest thing out there
[16:36] * taza (~taza@unaffiliated/taza) has joined #raspberrypi
[16:36] <Kamilion> Tenkawa: they dropped the morse requirement, AFAIK
[16:36] <Tenkawa> yes
[16:36] <Hectate> Tenkawa: never had mine but someone recently said it got easier
[16:36] <Hectate> oh yeah
[16:36] <Hectate> Kamilion must know ;)
[16:36] <Tenkawa> much easier
[16:36] <Kamilion> I don't have a license.
[16:36] <Kamilion> don't need one. *cool glasses*
[16:37] <Kamilion> I'm unlicensed and I know how to abuse antenna designs just like NASA.
[16:37] <Kamilion> used to work there
[16:37] <Hectate> License To Ham.
[16:37] <Hectate> 0070 AM
[16:37] <Hectate> lol
[16:37] <Kamilion> http://files.sllabs.com/files/storage/kamilion/resume.html <--- I'm lazy.
[16:38] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Ping timeout: 265 seconds)
[16:38] <Kamilion> also, I even embedded the images and CSS into the source code.
[16:38] <Kamilion> :3
[16:38] <Hectate> nifty
[16:38] <Hectate> i heard of a guy that implemented a raytracer in C source on the back of his business card
[16:39] <Hectate> 'implemented' being the wrong verb...lol
[16:39] <Kamilion> look up 'code golf' on stack exchange.
[16:39] <Kamilion> http://codegolf.stackexchange.com/
[16:39] <Kamilion> a great way to learn more about programming.
[16:40] * spt0 (~spt0@unaffiliated/spt0) Quit (Ping timeout: 256 seconds)
[16:40] <Tenkawa> Anyone looking into the pine64?
[16:40] <vuokkovuorinnen> Tenkawa: backed it on the first day of their kickstarter
[16:40] * Tenkawa would like to see a raspberry pi 64
[16:40] <Tenkawa> vuokkovuorinnen: I probably will be too
[16:41] <Kamilion> yet another allwinner, eh?
[16:41] <vuokkovuorinnen> Kamilion: yep
[16:41] <Kamilion> did they do a GPL drop for that chip yet?
[16:41] <Tenkawa> vuokkovuorinnen: I have so many different arm boxes.. why not
[16:41] <Kamilion> like they did for CHiP?
[16:41] * govg (~govg@unaffiliated/govg) has joined #raspberrypi
[16:41] <Tenkawa> vuokkovuorinnen: thinking of getting into mips hardware too
[16:41] <vuokkovuorinnen> ordered a few CHIPs too
[16:41] <Kamilion> let's see what http://linux-sunxi.org/GPL_Violations has to say THIS month.
[16:42] <Kamilion> camera, touchscreen...
[16:42] <Tenkawa> will be interesting to see how the CHIP turns out
[16:42] <Kamilion> nothing that prevents anyone from making use of the main functions, it looks like.
[16:42] <Kamilion> I know they opened up the CEDAR stuff in july
[16:42] <Kamilion> and xen's been working well on my cubieboard2
[16:42] <Tenkawa> I wish someone would get hardware gpu rendering on a SoC
[16:42] <Kamilion> I got kvm working on my pi2 for a little while.
[16:43] <Kamilion> Tenkawa: it's possible on some of the a10s and a20s with the mali cores.
[16:43] <Tenkawa> Kamilion: oh really? interesting
[16:43] <Tenkawa> have to catch up on that then
[16:43] * linkedinyou (~linkediny@unaffiliated/linkedinyou) Quit (Quit: linkedinyou)
[16:43] <uriah> hmm... is adafruit getting ddosed or something?
[16:43] <Kamilion> http://limadriver.org/
[16:43] <Tenkawa> Kamilion: thanks..
[16:44] <Kamilion> I'm not sure if libv has done much more on it though
[16:44] <Kamilion> http://libv.livejournal.com/27461.html
[16:44] <Tenkawa> Kamilion: i just want handbrake efficiency one of these years
[16:44] <Kamilion> he kinda lost traction around april
[16:44] <Kamilion> but that's also due to some people being big jerks to him on IRC
[16:44] <Kamilion> and over long periods of time
[16:44] * morty_ (~mort@collared.club) Quit (Remote host closed the connection)
[16:45] <Kamilion> http://people.freedesktop.org/~cbrill/dri-log/?channel=dri-devel&show_html=true&highlight_names=&date=2015-02-18
[16:45] * ech0s7 (~ech0s7@ has joined #raspberrypi
[16:45] <Kamilion> Jasper St. Pierre, in specific.
[16:45] <Tenkawa> last update on that site was 2013
[16:45] <Flutterbat> Kamilion: im amazed lawyers dont go crazy about that. its like free money
[16:45] * ech0s7 (~ech0s7@ Quit (Read error: Connection reset by peer)
[16:45] <Tenkawa> ouch
[16:45] <Kamilion> there's no lawyering to be done, Flutterbat
[16:45] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[16:45] <Kamilion> the GPL and MIT and BSD licenses are all redistribution licenses
[16:46] <Flutterbat> Kamilion: ? apparently there is because they dont comply/ see it differently
[16:46] * weemsledeux (~textual@unaffiliated/weems) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[16:46] <Kamilion> only one I hear doing that is vmware >:(
[16:46] * linkedinyou (~linkediny@unaffiliated/linkedinyou) has joined #raspberrypi
[16:46] <Kamilion> https://sfconservancy.org/news/2015/oct/28/vmware-update/
[16:46] * jlf (~user@pdpc/supporter/active/jlf) Quit (Ping timeout: 255 seconds)
[16:47] * morty_ (~mort@collared.club) has joined #raspberrypi
[16:47] <Kamilion> but since the court case is proceeding in germany, cases are publically available while ongoing, as far as I know.
[16:47] <Kamilion> *are not
[16:48] <Kamilion> and even then, the radix tree code and the parts of the linux scsi layer that covers is kind of a small chunk of a large picture
[16:48] <Kamilion> depending on the public outcome of the case, it could either open the floodgates to GPL enforcement, do nothing, or deflate the GPL as a viable protection mechanism.
[16:49] <Kamilion> it's quite obvious in this case they pulled a large chunk of code that was marked EXPORT_SYMBOL_GPL
[16:49] * Swensson (~Swensson@h69n10-lid-a11.ias.bredband.telia.com) Quit ()
[16:50] <Kamilion> In my humble opinion, vmware is going to have a hard time getting away with it, especally in a european courtroom where you don't have moronic US senators that have no grasp of technology.
[16:50] * vuokkovuorinnen (~patrick@78-20-221-66.access.telenet.be) Quit (Remote host closed the connection)
[16:50] * Ahmed90 (~Ahmed90@unaffiliated/ahmed90) has joined #raspberrypi
[16:51] <Kamilion> You're more likely to run into a senator using foolish shorthand than you are likely to run into a young adult using it.
[16:51] * ech0s7 (~ech0s7@ has joined #raspberrypi
[16:51] * Kamilion sighs.
[16:53] * morty_ (~mort@collared.club) Quit (Remote host closed the connection)
[16:54] * Lorduncan (~Thunderbi@14.Red-83-53-117.dynamicIP.rima-tde.net) has joined #raspberrypi
[16:54] <Kamilion> there's a huge difference between patent law, copyright law, international patent and copyright law, trademark law, and the "It's yours too, but with attribution" redistribution licenses.
[16:54] <Kamilion> Myself? I use the WTFPL.
[16:55] <Kamilion> and since the family-friendly rules of this channel prevent me from discussing anything further about that, I'll just say, NSFW and let people ignore that to google it themselves.
[16:56] * makaveli0227TL (~makaveli0@ Quit (Remote host closed the connection)
[16:56] * SopaAlt (~sopaxorzt@unaffiliated/sopaxorztaker) has joined #raspberrypi
[16:56] * makaveli0227TL (~makaveli0@ has joined #raspberrypi
[16:57] <Kamilion> "Only wimps use tape backup: real men just upload their important stuff on ftp, and let the rest of the world mirror it ;)" -- Linus Torvalds (1996-07-20) http://www.webcitation.org/6P8EBZqQX
[16:57] <Kamilion> s/ftp/github/i
[16:58] <Hectate> Kamilion: I like that license. :)
[16:58] <Kamilion> https://en.wikiquote.org/wiki/Linus_Torvalds https://www.youtube.com/watch?v=MShbP3OpASA&t=61m28s
[16:58] * Andy80___ (~andrea@ubuntu/member/andy80) has joined #raspberrypi
[16:58] <Hectate> i've not used it myself before in name, but definitely in spirit
[16:59] * spt0 (~spt0@unaffiliated/spt0) has joined #raspberrypi
[16:59] * Kamilion definitely feels the same way as linus does in that video quote.
[17:00] * [UPA]Stefan is now known as Tronsha
[17:00] <ozzzy_> I use whatever license the software author puts on it
[17:00] <Tenkawa> bbiaf
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[17:00] * Lorduncan (~Thunderbi@14.Red-83-53-117.dynamicIP.rima-tde.net) Quit (Quit: Lorduncan)
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[17:01] <Hectate> ozzzy_: yeah but it's a concern for those of us who produce things - software or otherwise
[17:01] <ozzzy_> as I recall I used GPL back when I released software
[17:01] <Hectate> I think the last time I used a "license" I just threw out public domain
[17:01] <Kamilion> In my humble opinion, announcing that something has offended thee is essentially admitting they are unable to filter the world around them in an appropriate manner, and are asking someone else to do it for them. I dislike that whole concept.
[17:01] <Hectate> but it was a bitmap font for a tutorial and there was no reason to hoard it :_)
[17:02] * Tenkawa (~arakeen@unaffiliated/tenkawa) has joined #raspberrypi
[17:02] <Kamilion> but I try to follow guidelines and rules. *shrug*
[17:02] * [Butch] (~butch@c-73-158-228-135.hsd1.ca.comcast.net) has joined #raspberrypi
[17:03] <Hectate> Kamilion: interesting idea. I think that civility in general forces people apply a degree of filtering out of respect for others, but I agree that just because someone is offended does not mean that it is the 'offender's fault
[17:03] <Kamilion> <.< I may skirt them occasionally; but generally it's not maliciously. At least, not in public. On my private gameservers is another story.
[17:03] <Kamilion> but I run those out of pocket and don't ask for donations or run ads
[17:04] <Hectate> indeed. a private space is not one that others have any expectation of accomodation
[17:04] <Hectate> or should not
[17:04] <Kamilion> so I feel it's well within my right to ask someone to step out if they've crossed "the line', which is constantly in flux.
[17:04] * Keanu73 (~Keanu73@unaffiliated/keanu73) has joined #raspberrypi
[17:04] <Kamilion> But this is a public space, and I expect there are preteens lurking or reading backlogs.
[17:04] <Hectate> entirely possible
[17:05] <Hectate> although unmonitored youths on the internet should be assumed to have encountered adult content; if my teen years are anything to go on :)
[17:05] <Kamilion> as people who are unable to have yet had the formative experiences of filter-forming; I'll give 'em the benefit of the doubt.
[17:05] <Kamilion> hahaha, I was on compuserve CB chat when I was like... 8?
[17:05] <Kamilion> and dialing out to BBSs around the same age.
[17:06] * tomeff (~tomeff@ip-78-102-111-158.net.upcbroadband.cz) has joined #raspberrypi
[17:06] <Hectate> hah, yes children have no filter. My daughter (we are white) described another child as "the brown girl" once.
[17:06] <Kamilion> I think I first discovered IRC somewhere in 1994, when I was 11.
[17:06] <Hectate> Kamilion: ahh, good ole bbs.
[17:07] <Kamilion> a year later and I never returned to school.
[17:07] <Kamilion> what need of such a thing when I have the internet at my utmost disposal?
[17:07] <Kamilion> (and the maturity to use it, at that age)
[17:08] * amigojapan (~amigojapa@unaffiliated/amigojapan) Quit (Quit: amigojapan)
[17:08] <Kamilion> I'm now quite knowlegeable in electronics, explosives, survivalism, mechanics, basic repair and understanding of anything short of VLSI integrated circuit packages (and give me the right equipment and I can even take a peek in 'em)
[17:09] <Kamilion> (note: a significant amount of the explosives is based in theory, chemistry, and basic knowledge in physics.)
[17:10] <Kamilion> my brothers taught me how to reload ammo when I was a wee lad.
[17:10] * ppq (~ppq@unaffiliated/ppq) has joined #raspberrypi
[17:10] <Kamilion> I still have all of my digits. *ahem*... My brother is missing his toe.
[17:10] * Kamilion grins
[17:11] <Kamilion> I leave thee all with the following wisdom: Read the instructions, even if you don't follow them.
[17:11] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) has joined #raspberrypi
[17:11] * Simonious (~sgoble@h69-130-41-53.pqlkmn.broadband.dynamic.tds.net) Quit (Ping timeout: 272 seconds)
[17:11] * somis (~somis@ Quit (Quit: Leaving)
[17:12] <Armand> Kamilion: Perhaps you should instruct your brother, in regards to aiming. ;)
[17:12] * spt0 (~spt0@unaffiliated/spt0) Quit (Remote host closed the connection)
[17:12] <Kamilion> are you kidding? They're like 15 years older than I am and three times my size!
[17:12] <gordonDrogon> ah well, no point running the oven empty just for a test, so I've made some mince pies.
[17:12] <Armand> Then aim for the kneecap. :P
[17:12] <Kamilion> >:(
[17:13] <Armand> ^_^
[17:13] <Armand> At least it will prove a point.
[17:13] <Kamilion> Firearms safety is serious buisness. Never aim a firearm at a living thing you do not intend to kill and EAT.
[17:13] <Armand> No comment, your honour..
[17:13] <Kamilion> Cannabalism and self protection do not count.
[17:13] <Armand> Not together in the same context...
[17:14] <Kamilion> https://picasaweb.google.com/lh/photo/gJN3Lcys5h2Jos7GHwfbkPvCsYUzy3MDgUn3sXhzGz0?feat=directlink
[17:14] * Kamilion has proof :D
[17:15] <Kamilion> hearing protection is important for firearm safety!
[17:15] <Kamilion> never go onto a range without hearing protection!
[17:15] * Kamilion points at his uncle in the photo
[17:15] <Kamilion> DOING IT. WRONNNNNNNG. At least earplugs! (he's half deaf these days.)
[17:16] <gordonDrogon> wonder if that's one (of many) reasons for my tinnitus ...
[17:16] <Kamilion> don't be that guy that needs to be yelled at! It always makes trouble at thanksgiving table. :3
[17:16] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 265 seconds)
[17:17] <Kamilion> gordonDrogon: thought you were across the pond where they didn't allow nasty bangsticks unless something like france goes down?
[17:18] <Armand> Kamilion: I am certified in the UK, so firearms safety is definitely a thing. :)
[17:18] * monocle (~bob@ has joined #raspberrypi
[17:18] * c00ljs (~c00ljs@177-208-18-176.user3p.veloxzone.com.br) Quit (Remote host closed the connection)
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[17:18] <Kamilion> Armand: Law enforcement?
[17:18] * makaveli0227TL (~makaveli0@ has joined #raspberrypi
[17:18] <Armand> Nah, British Army.
[17:19] <gordonDrogon> anyone sane can apply for a shotgun license here...
[17:19] <Armand> Long time ago, admittedly. :)
[17:19] <Kamilion> ahhhhhhh
[17:19] <gordonDrogon> even a rifle if you have a use for it - e.g. shooting deer.
[17:19] * Swensson (~Swensson@h69n10-lid-a11.ias.bredband.telia.com) has joined #raspberrypi
[17:20] * Kamilion has learned something new! :D
[17:20] <gordonDrogon> and even without a license (to own a gun), you can still go clay pidgeon shooting, etc.
[17:20] <Kamilion> ah, yes, same here, there are ranges you can rent weapons at, but they may not leave the premesis.
[17:20] <Kamilion> I keep renting the USP-40
[17:21] <Kamilion> I've tried a lot of others, but I keep coming back to it.
[17:21] <Kamilion> so it will likely be my first purchase at some point.
[17:21] <gordonDrogon> it's not something I'm at all interested in, but when I was much younger... A lot of my grandparents were farmers or land workers, etc.
[17:21] <gordonDrogon> brb.
[17:22] <Kamilion> all I have is a simple single shot .177 caliber air rifle.
[17:22] * nfk|laptop (~nfk@unaffiliated/nfk) Quit (Quit: yawn)
[17:22] <Kamilion> It serves it's purpouse at vermin extermination, and there are felines about who take care of the mess, as I'd rather not be eating mice and rats when there's a 7-11 nearby
[17:23] <Armand> I've got a pump-action BB in storage. :)
[17:23] <Kamilion> Although one of these days I'd like to get a crossman air pistol and mount it on a servoset along with a webcamera and a pi, and play with opencv
[17:24] <Hectate> I need to pick up a new pistol of my own, since i'm borrowing my brothers atm
[17:24] <Hectate> i wish i still had my bushmaster though
[17:24] <pigrit> mahahaha I finally got sensors' values displaying on the lcd
[17:24] <pigrit> now if only I could find a reason to
[17:24] <Hectate> pigrit: congrats!
[17:24] <pigrit> \o/
[17:25] <Armand> Kamilion: My brother still has a BSA air rifle that's probably about 30 years old.
[17:25] <Kamilion> Hectate: d'ya like the color pink?
[17:25] * defsdoor (~andy@cpc73037-sutt4-2-0-cust62.19-1.cable.virginm.net) Quit (Read error: Connection reset by peer)
[17:25] <Hectate> nothing against it
[17:25] <Hectate> lol
[17:25] * defsdoor (~andy@cpc73037-sutt4-2-0-cust62.19-1.cable.virginm.net) has joined #raspberrypi
[17:25] <Kamilion> i was looking on crossman's site, they have a nice little pistol in pink
[17:26] <Kamilion> http://www.crosman.com/airguns/air-pistols/american-classic-1 <--- this is what I was referring to before.
[17:26] <Armand> BSA Airsporter MK1
[17:26] <Armand> I think...
[17:27] * methuzla (~methuzla@dsl254-017-117.sea1.dsl.speakeasy.net) has joined #raspberrypi
[17:27] <Hectate> my wife wants a pink pistol. I'd get her a small revolver in pink but most are grip-only for the color. I'm thinking a little Walter PPK in full pink or pink camo she might like
[17:27] <Hectate> or maybe p22
[17:27] <Kamilion> http://www.crosman.com/wildcat <--- perfect for the daughter.
[17:28] * Kamilion chuckles
[17:28] <Hectate> honestly I'd just as soon get a cricket .22 instead of a BB pistol
[17:28] <Kamilion> I'm not really a fan of cartridge charge pistols.
[17:28] <Armand> Ok, it's not a MK1.. lol
[17:28] <Kamilion> I like the pump action .22 air pistol; my uncle had one quite a while back
[17:28] <Hectate> http://www.crickett.com/crickett_22_LR.php
[17:29] <Kamilion> and I have fond memories of hunting squirrel with him
[17:29] <Hectate> .22 rimfire I meant
[17:29] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Ping timeout: 240 seconds)
[17:29] <Armand> I can't wait to move to the USA and get my hands on some real guns again.
[17:30] <Kamilion> A friend of mine once used a netbook and some windows software to control a paintball gun
[17:30] <Kamilion> i think it was one of those little acers that were so popular around 5 years ago
[17:30] * leatherface416 (~leatherfa@135-23-226-15.cpe.pppoe.ca) has joined #raspberrypi
[17:30] <Kamilion> It's always been something I've remembered since then
[17:30] <Kamilion> (not that it would be hard, if you had a computer shooting paintballs at you and rarely missing...)
[17:31] <Hectate> i saw a video where someone hooked up a paintball gun to a webcam and built some motion sensing/tracking software to aim and shoot the paintball gun
[17:31] <Hectate> pretty neat
[17:32] <Kamilion> yeah, mighta been him
[17:32] <Kamilion> we posted it to youtube, running around his backyard like idiots
[17:32] <Hectate> hehe
[17:33] * Noldorin (~noldorin@unaffiliated/noldorin) has joined #raspberrypi
[17:33] <Kamilion> that was actually one of the things that really got me interested in messing around with ROS (the Robot Operating System) that can (these days) be installed on a pi
[17:33] <Hectate> i saw a video of someone that built a projector screen that could triangulate impacts and feed it back to the computer running the projector. He'd display targets on the screen and they'd react to being shot. By using small enough caliber (.22 probably) the holes were almost un-noticable
[17:33] <Kamilion> I worked with it around 2010 while at nasa ames
[17:33] <Kamilion> https://www.youtube.com/watch?v=K5r1xh_QQOY
[17:34] <pigrit> what's you guys' habitual way to "box" all this garbage ?
[17:34] <pigrit> I wish I had some meccano lying around
[17:34] <Kamilion> pigrit: you
[17:35] <Kamilion> pigrit: you'll laugh, but http://www.monoprice.com/Product?p_id=6687
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[17:35] <Kamilion> I have 8 of them running right now
[17:35] <DammitJim> any good places to buy a raspberry pi in the US?
[17:35] <Kamilion> DammitJim: you in california?
[17:35] * Logico (~Logico@ has joined #raspberrypi
[17:35] <DammitJim> I am finally going to dive into using one and would like to set up openvpn so I can VPN into my home network
[17:35] <DammitJim> Kamilion, Florida :(
[17:35] <pigrit> Kamilion you put raspi & everything else in there
[17:36] <pigrit> I should have clarified - how do you keep all the bits in place
[17:36] <pigrit> i.e. I now have 5 elements dangling from various wires
[17:37] <Hectate> duct tape?
[17:37] <pigrit> any advice on how to screw them in place somewhere
[17:37] <Kamilion> pigrit: http://hastebin.com/zepiyehuma.parser3 <--- that's my whole project.
[17:37] <Kamilion> oh, I use little protoboards
[17:37] <Kamilion> sec, lemme see if I can find one to get the model number off it
[17:38] <pigrit> cool
[17:39] <Kamilion> pigrit: http://the-perf-shop.myshopify.com/
[17:39] <pigrit> I have the feeling this temperature sensor is telling me the temperature, yes, but of the sensor board
[17:40] <Kamilion> http://the-perf-shop.myshopify.com/collections/frontpage/products/perf-board
[17:40] <pigrit> intriguing
[17:40] <Kamilion> it's really actually pretty neat
[17:40] * Syliss (~Syliss@dpncorp1.digitalpath.net) has joined #raspberrypi
[17:40] <pigrit> does each rail go all the way down
[17:41] <Kamilion> it's easy to use a x-acto to sever the rail
[17:41] <pigrit> oo right
[17:41] <DammitJim> why did you ask, Kamilion ?
[17:41] <Kamilion> top is vertical, bottom is horizontal
[17:41] <pigrit> and I suppose you can screw stuff in it too
[17:41] <DammitJim> is amazon the way to go?
[17:41] <pigrit> maybe with those thingis you use to keep motherboards raised
[17:41] <Kamilion> DammitJim: http://www.centralcomputers.com is where I got mine, here locally in silicon valley.
[17:42] <Kamilion> DammitJim: check if you have a microcenter or fry's electronics nearby
[17:42] <Kamilion> i think fry's is west coast only though
[17:42] * djhworld (~djhworld@gateb.telhc.bbc.co.uk) Quit (Ping timeout: 240 seconds)
[17:42] <DammitJim> no, not here :(
[17:42] <Kamilion> they might have expanded that far... never know. heh.
[17:42] <DammitJim> $39 from amazon?
[17:42] <pigrit> these are for soldering on, right
[17:42] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) has joined #raspberrypi
[17:42] <DammitJim> these things come with no power cord, do they?
[17:43] <Kamilion> pigrit: yeah, do you need good solder to go with it?
[17:43] <Kamilion> DammitJim: mine did not
[17:43] <DammitJim> dammit
[17:43] <Kamilion> DammitJim: I reccommend the anker one from amazon, with the kevlar in it
[17:43] <DammitJim> so, I'll need a power cord, an SD card, and a case?
[17:43] <Kamilion> it's no more expensive than the other ones on amazon
[17:43] <pigrit> I'm quite the noob, I did my first yesterday putting headers on the lcd
[17:43] <DammitJim> Kamilion, Anker is the brand of power supply?
[17:43] <Kamilion> pigrit: first rule: always use the right solder for the job
[17:44] <Kamilion> DammitJim: sec
[17:44] <Kamilion> http://www.amazon.com/Anker-PowerLine-Micro-USB-3ft/dp/B012VWH6PQ
[17:44] <pigrit> yeah I'm gonna get a new one too
[17:44] <pigrit> and thinner solder
[17:44] <gordonDrogon> http://unicorn.drogon.net/mincePies.jpg
[17:44] <Kamilion> not just thinner solder; but good quality solder that has flux in it's core
[17:45] <pigrit> oven works then
[17:45] <pigrit> what if you want to put stuff perpendicularly to the board
[17:46] <pigrit> any known-by-everyone-but-the-noob brackets or something ?
[17:46] <Kamilion> pigrit: not sure what you mean
[17:47] <pigrit> I suppose you could say, just stick the sensor to the side of the box
[17:47] <Kamilion> https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/CopperCladPerfboard_1.png/220px-CopperCladPerfboard_1.png
[17:47] <Kamilion> most perfboard looks like this
[17:47] <Kamilion> you have to dribble solder across the whole thing
[17:47] <pigrit> like, if I want to place a sensor 3cm raised
[17:47] * spt0 (~spt0@unaffiliated/spt0) has joined #raspberrypi
[17:47] <pigrit> or pointing a different way
[17:47] <Kamilion> oh.
[17:47] <Kamilion> are the sensors on leads?
[17:47] * holodoc (~holodoc@unaffiliated/holodoc) Quit (Ping timeout: 272 seconds)
[17:47] <pigrit> translate ?
[17:48] <Kamilion> https://www.sparkfun.com/products/245
[17:48] <gordonDrogon> and an updated: http://unicorn.drogon.net/ovenPi.jpg
[17:48] <pigrit> I mean, I could probably work out something with paperclips and glue, but I wondered if there were commonly used parts :D
[17:48] <Kamilion> see the three pins coming down from the sensor?
[17:48] <Kamilion> those are the 'leads'.
[17:48] <pigrit> mostly, yes
[17:48] <Kamilion> generally you stuff the part down flush with the board, solder it, and trim off the excess
[17:49] <Kamilion> but there's nothing stopping you from 'just the tip'
[17:49] <gordonDrogon> you can run those 1w sensors some distance, but you need to give them power...
[17:49] <Kamilion> often you can slip them into a cheap CD-rom audio cable
[17:49] * holodoc (~holodoc@unaffiliated/holodoc) has joined #raspberrypi
[17:49] <pigrit> oh so they're meant to stay near the board ?
[17:49] <Kamilion> not nessicarily
[17:50] <Kamilion> http://www.amazon.com/C2G-Cables-09442-MPC-2-CD-ROM/dp/B00006HTM1/ref=sr_1_1?ie=UTF8&qid=1450284605&sr=8-1&keywords=cdrom+audio+cable
[17:50] <gordonDrogon> I've used cat-5 ...
[17:50] <Kamilion> these are known as "cdrom cable"
[17:50] <Kamilion> er, 'cdrom audio cable"
[17:50] <pigrit> which I guess for any other use is just a sturdy 3 pin cable with sockets ?
[17:50] <Kamilion> usually easy to jam one of those sensors in that
[17:50] <Kamilion> pretty much.
[17:51] <pigrit> they'd sure keep the project tidy
[17:51] <Kamilion> then you have a temperature-sensor-on-a-cable.
[17:51] <pigrit> I was thinking like that support for the picam I believe I once saw
[17:51] <Kamilion> and you can use the perf board to make as many of those line up as you need to
[17:51] <pigrit> kind of a thick wire
[17:51] <Kamilion> indeed.
[17:51] <pigrit> but in terms of mobility
[17:51] <Kamilion> I've also seen people do it a little differently
[17:52] <pigrit> i.e. say you want to place a picam 10cm high up, with no box
[17:52] <pigrit> I thought, mount it on a staff with a L at the bottom so I can screw it in whatever the base is
[17:52] <Kamilion> you can clip off the connector on one side, trim the heatshrink around the outer cable sheath, and literally ram the three pins of the temperature sensor right down into the copper fibers of each insulated wire.
[17:52] <pigrit> so I thought, does a thingi with a L at the bottom to do such a thing exist ? am I being daft ?
[17:52] * inodb (~inodb@org51-2-82-244-214-181.fbx.proxad.net) has joined #raspberrypi
[17:53] <Kamilion> in some cases, you can find these pre-made
[17:53] <Kamilion> where it just looks like a black tip at the end of a cable
[17:53] <pigrit> I was thinking for example in case of a mobile cam
[17:53] <pigrit> were I to want to rotate it left and right
[17:53] * Giddles (~da@unaffiliated/giddles) has joined #raspberrypi
[17:53] <pigrit> what to mount the cam on ?
[17:54] <methuzla> pigrit a pan/tilt
[17:54] <Kamilion> pigrit: sec
[17:54] <pigrit> I forgot how good irc was
[17:54] <Kamilion> http://www.uctronics.com/ <--- these are the go-to folks for pis and cameras
[17:54] <pigrit> nowhere else can you annoy people in real time
[17:54] * Tuchkata (~Tuchkata@ has joined #raspberrypi
[17:56] <pigrit> pity it's in the US, it's always a pain in the ass to get stuff through customs
[17:56] <pigrit> and it ends up costing more than the normal price in EU
[17:57] * ahhMichael (~ahhMichae@ Quit (Quit: leaving)
[17:57] <Kamilion> http://www.uctronics.com/plastic-fpv-pt-pantilt-camera-platform-anti-vibration-camera-mount-p-1265l.html
[17:57] <Kamilion> they're in china
[17:57] <pigrit> even worse
[17:58] <pigrit> then on top of the customs and taxes, it also takes 3 months to arrive :D
[17:58] <pksato> go to any CCTV store, have these pan/tilt and others accessories.
[17:58] <Kamilion> hm, only when I rely on hongkong post
[17:58] <pigrit> it looks neat but a bit bulky for the purpose
[17:58] * randomProgrammer (~randomPro@ Quit (Quit: randomProgrammer)
[17:58] <gordonDrogon> http://unicorn.drogon.net/ovenRun.png
[17:58] <gordonDrogon> graph of the oven temperature...
[17:58] <methuzla> pigrit make your own
[17:58] <Kamilion> pksato: cctv store has pi-camera specific servo pan tilt mechanism for $4?
[17:59] * Andy80___ (~andrea@ubuntu/member/andy80) Quit (Ping timeout: 260 seconds)
[17:59] <pksato> why not. :)
[17:59] <Kamilion> I had to make my own security cameras because the cctv store's selection was absolutely absymal.
[17:59] <Kamilion> http://hastebin.com/zepiyehuma.parser3
[17:59] <methuzla> gordonDrogon that's one hot oven
[17:59] <Kamilion> I did it for $118 per unit.
[18:00] * weemsledeux (~textual@unaffiliated/weems) has joined #raspberrypi
[18:00] <pigrit> methuzla I've been walking around the house like macgyver looking for stuff I can repurpose :D
[18:00] <gordonDrogon> methuzla, Hehe... Y axis is temp*10 ... :)
[18:00] <Kamilion> but... I was so pissed off. I made the order a week before the pi2 was announced. They showed up the day after the announcement.
[18:01] <Kamilion> so now I got 8 pi1-B+ powered security cameras.
[18:01] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) Quit (Ping timeout: 265 seconds)
[18:01] * jlf (~user@pdpc/supporter/active/jlf) has joined #raspberrypi
[18:01] <Kamilion> running off nummy 24V power -over- ethernet cable (not PoE)
[18:02] <Kamilion> AND I even did it code compliant, by mounting the power supply in this:
[18:02] <Kamilion> http://www.cableorganizer.com/arlington-industries/non-metallic-boxes/#features
[18:03] <methuzla> gordonDrogon so set point was 50, then 200?
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[18:07] <ali1234> lol. the official lcd board connected to the official power supply can't provide enough power for the pi
[18:07] <gordonDrogon> methuzla, sort of - 50 to start with with the Pi controlling, then I used the ovens existing mechanical controller to get to 200 - that's the wibbly wobbly bit there, then I turned that off and opened the door for a bit and re-set the Pi to 200 ...
[18:08] <gordonDrogon> the next little dip is when I opened the door again to put in a tray of mince pies - the last dip when I opened it to turn the tray, then a few moments later they came out. (X axis is seconds)
[18:09] <methuzla> metric seconds?
[18:09] <gordonDrogon> probably.
[18:09] <methuzla> looks like the pi is doing a pretty a good job
[18:10] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 260 seconds)
[18:10] <Kamilion> yep!
[18:10] <gordonDrogon> yea, I'm happy with it. There is some overshoot - more apparent at the low end with nothing in the oven.
[18:10] <Kamilion> that is a very delicious graph, gordonDrogon
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[18:11] <gordonDrogon> I could spend some more time tuning the PID, but it's more than good enough for an oven!
[18:11] <gordonDrogon> (and yes, I know, PID is overkill here, but hey, why not ...)
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[18:12] <methuzla> what'd be cool is if the PID could hold temp when the door is opened
[18:12] * brethil (~brethil@ Quit (Quit: Quitting existence)
[18:12] <methuzla> surprising how much the temp drops there
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[18:14] <gordonDrogon> well... it's a cheap oven - only 2Kw element.
[18:15] <gordonDrogon> what I really want to do is have a door sensor so that when it's opened I can turn off the heater and fan to stop the fan pushing most of the heat out of the oven...
[18:15] <gordonDrogon> I need a 2nd SSR inside it for that.
[18:16] <gordonDrogon> I have some other graphs when I load bread into it - I set it to 250�C then when it's heated up and stable, I load in 3 large loaves - it's like saying: Hey oven, here's 3Kg of water - go boil it ...
[18:16] <gordonDrogon> It never gets back to 250C before I turn it down to 210C some 12 miuntes later ...
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[18:18] <gordonDrogon> http://unicorn.drogon.net/wholemeals.png <-- busy graph, but look at the green line - that's oven temperature and red is the setpoint.
[18:18] <methuzla> pigrit you can make a pretty simple pan/tilt with two hobby servos
[18:19] <methuzla> pigrit look at this design: http://www.mindsensors.com/img/cms/PiPan-Assembly/PiPanw300.jpg
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[18:22] <methuzla> gordonDrogon maybe different tunings, but probably limit of heater
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[18:23] <methuzla> gordonDrogon is the heating simply either on or off?
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[18:30] <gordonDrogon> methuzla, yes - nothing clever at all - currently I've got it set for a minimum on time of 10th second.
[18:30] <gordonDrogon> and its controlled directly by the PID loop. ie. if error positive, turn heater on, if 0 or -ve, turn it off...
[18:31] <gordonDrogon> er, oops, the other way round, but you knew that :)
[18:31] <gordonDrogon> I've got some code that does s-l-o-w pwm, but haven't bothered to put it in here.
[18:33] <methuzla> that might smooth out those little wrinkles, but your bigger issue it total available power
[18:34] <gordonDrogon> moar power ....
[18:34] <gordonDrogon> I have bigger ovens, but they're ... bigger...
[18:35] <gordonDrogon> the other 2 are both 3Kw - one is 2 x 1.5Kw fans, the other is convection elements - no fans.
[18:35] <gordonDrogon> http://unicorn.drogon.net/ovens.jpg
[18:35] <gordonDrogon> the Pi controlled one is the top one.
[18:36] <gordonDrogon> it gets a bit warm up there some mornings :)
[18:37] * Tachyon` is now known as Tach[Away]
[18:37] * ech0s7 (~ech0s7@ Quit (Quit: This computer has gone to sleep)
[18:38] <methuzla> LINCAT: oven brand or linux command?
[18:39] <gordonDrogon> yea :)
[18:39] <gordonDrogon> (Oven brand - but it could be a command :)
[18:40] <gordonDrogon> That's an EC08... The EC09 is bigger, but needs 4.5Kw - the 08 hasa 13A plug.
[18:40] <gordonDrogon> only having a single phase domestic supply is a bit of a limitation for all this.
[18:41] <gordonDrogon> the Linca is the one with 2 fan heaters in it. I also retro fitted 3 10mm thick steel plates into it - 16Kg of steel each. Takes a bit longer to heat up now, but bakes much better bread...
[18:42] * weemsledeux (~textual@unaffiliated/weems) Quit (Quit: My Mac has gone to sleep. ZZZzzz…)
[18:42] <gordonDrogon> hm. need to pop out & get some eggs. have run out and I have a french almond cake & some biscotti to make for one of the local cafes tonight.
[18:43] <myself> I read that as "need to pop out some eggs"
[18:43] <myself> and I was like... well! there's something I didn't know about you!
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[18:45] <gordonDrogon> I run a catering co./bakery in my spare time ...
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[19:05] <DammitJim> do you guys have any suggestions on where to buy a raspberry pi?
[19:05] <DammitJim> with the accessories?
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[19:08] <mstevens> personally I like modmypi, but there are a load of places
[19:08] * Encrypt (~Chuck@cpc72901-newt33-2-0-cust203.19-3.cable.virginm.net) has joined #raspberrypi
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[19:10] <myself> if you live in the land of microcenter, it is the promised land, and you will never want for raspberries...
[19:11] <gordonDrogon> DammitJim, it will depend on what country you're in too...
[19:11] <gordonDrogon> US: Adafruit, UK: Pimoroni, etc.
[19:11] <DammitJim> FL, US
[19:12] <mstevens> I just bought a zero from pimoroni, they seemed efficient
[19:12] <gordonDrogon> DammitJim, so try adafruit.com
[19:13] * Armand (~armand@2a01:9cc0:40:6:78f6:1fdb:e4e6:6e8f) Quit (Quit: 404: Nerd not found!)
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[19:21] <Hectate> agreed on the microcenter thing. I picked up two on black friday (release date!) - one for me and one for my brother
[19:21] <Hectate> based on what they said they had quite a few (over 100) and they weren't shipping out orders - walk in only
[19:21] <Hectate> no idea if that's still the case
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[19:25] <Gadgetoid> mstevens: efficient? yay!
[19:26] * doomlord (~textual@host86-153-157-188.range86-153.btcentralplus.com) has joined #raspberrypi
[19:26] * Hectate wonders if he can use some of his dogecoin to get some stuff for the Pi
[19:27] <mstevens> And I said it before but I'm still in awe, it's teeny!
[19:27] * Tuchkata (~Tuchkata@ Quit (Ping timeout: 255 seconds)
[19:27] <Gadgetoid> But yes, DammitJim, buy from us, because we're awesome and 100% of our profit goes on rum and/or maintaining our pirate ship
[19:28] <Gadgetoid> And we 100% guarantee that we'll probably ship your order :D
[19:28] * speeddragon (~speeddrag@ Quit (Ping timeout: 240 seconds)
[19:28] <gordonDrogon> to florida... cost more to ship a Pi0 there than the Pi0 I suspect ...
[19:28] <Hectate> Gadgetoid: pimoroni?
[19:28] * leatherface416 (~leatherfa@135-23-226-15.cpe.pppoe.ca) Quit (Quit: leatherface416)
[19:29] <mstevens> nobody's got pi0s right now anyway
[19:29] <Gadgetoid> Hectate: yep
[19:29] * Hectate tabs over to firefox...
[19:29] <Hectate> do you take dogecoin? :)
[19:29] <Gadgetoid> Hectate: nope, we do take bitcoin though... does anyone take dogecoin seriously?
[19:30] <Hectate> I dunno, but I keep it around
[19:30] * j12t (~j12t@2602:306:37fe:2e0:20e9:dc1:4325:76f5) Quit (Remote host closed the connection)
[19:30] <gordonDrogon> if you can't scratch glass with it ...
[19:31] <Gadgetoid> Then you can't use it to cut your way into a house?
[19:31] <Hectate> what if it *is* glass?
[19:31] <Gadgetoid> It'll shatter, but only if you hit the tail
[19:33] <gordonDrogon> hit the tail of a dog coin and it'll turn round and bite you ..
[19:35] * ch007m (~chm@ip-213-49-88-130.dsl.scarlet.be) Quit (Quit: My MacBook Pro has gone to sleep. ZZZzzz…)
[19:35] <Gadgetoid> Now that's financial security, badum tshh!
[19:35] <pigrit> sooo I have a rgb led I would like always on, and changing colour on demand, but I can't seem to leave it on without having to stay in the script
[19:35] <Gadgetoid> pigrit: oh, what LED, WS2812?
[19:36] <Gadgetoid> pigrit: If it's something you're driving with soft PWM from multiple pins, *some* process has to run to keep those pins twiddling
[19:36] <gordonDrogon> or just accept 8 colours...
[19:36] <pigrit> doesn't say, it's got Keyes on it though, the led is flat and round
[19:36] <gordonDrogon> you just have it hooked to 3 gpio pins?
[19:36] * Datalink (~Datalink@unaffiliated/datalink) Quit (Read error: Connection reset by peer)
[19:36] <Gadgetoid> 8 colours isn't so bad
[19:37] <gordonDrogon> 1 of those 8 is 'black' or off...
[19:37] <pigrit> yup 3 gpio pins
[19:37] <gordonDrogon> pigrit, probably a python program I guess?
[19:37] <Gadgetoid> Like this, I guess: http://s4.electrodragon.com/wp-content/uploads/2013/01/Keyes-RGB-LED-module.jpg
[19:37] <pigrit> yup
[19:37] <pigrit> exactly that one
[19:37] <gordonDrogon> pigrit, use the gpio command if you have wiringPi installed - no need to write code.
[19:38] <Gadgetoid> gordonDrogon's idea has merit, if you don't mind just 8 colours
[19:38] <pigrit> what I'm doing atm is running a php script that calls individual python scripts for each sensor/device
[19:38] <pigrit> oho ?
[19:38] <gordonDrogon> type: gpio -v
[19:38] <gordonDrogon> if you get command not found, then sudo apt-get install wiringpi
[19:38] <pigrit> oh no I got wiringpi
[19:39] <gordonDrogon> what pins is it on?
[19:39] <pigrit> hadn't thought of turning the led on by command
[19:39] <Gadgetoid> Wait what, wiringpi is on apt?
[19:39] <gordonDrogon> Gadgetoid, yes - an older version, but one that works (not on a zero yet)
[19:39] <Gadgetoid> Why do I get the feeling that happened years ago and I've had my head in the sand
[19:39] <pigrit> 4/5/6 - 23/24/25
[19:40] <gordonDrogon> ok, for pin in 23 24 25; do gpio -g move $pin out ; done
[19:40] <gordonDrogon> then: gpio -g write 23 1
[19:40] <gordonDrogon> etc.
[19:40] <gordonDrogon> er s/move/mode/
[19:40] * Noldorin (~noldorin@unaffiliated/noldorin) Quit (Ping timeout: 260 seconds)
[19:40] <gordonDrogon> so white: for pin in 23 24 25; do gpio -g write $pin 1 ; done
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[19:41] <gordonDrogon> you could have 8 bash scripts that set the 8 possible static colours.
[19:41] <gordonDrogon> so - e.g. red: gpio -g write 23 1 ; gpio -g write 24 0 ; gpio -g write 25 0
[19:42] <gordonDrogon> it's not as efficient as one small C program, but will work to get you going initially.
[19:42] <pigrit> would the small C program not raise the same issues as the small python script ?
[19:42] <gordonDrogon> no - because I do not care one little bit about what happens to the gpio when a C program exits.
[19:42] <gordonDrogon> whereas python seems to.
[19:43] <gordonDrogon> or at lease rpi.gpio seems to. my wiringPi doesn't care.
[19:43] * r_02 (~r_02@ip-174-137-10-133.swatco.com) Quit (Quit: Leaving)
[19:44] <gordonDrogon> (the gpio command is a C program that use wiringPi)
[19:44] <pigrit> yeah I gathered as much
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[19:45] <pigrit> what's the particular reason why you can only set simple colors via cli ?
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[19:46] <gordonDrogon> no PWM control when a program isn't running.
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[19:46] * boo7 (~msus@unaffiliated/msus) Quit (Max SendQ exceeded)
[19:46] <pigrit> pwm..... pulse something ?
[19:46] * mythos (~mythos@unaffiliated/mythos) Quit (Ping timeout: 245 seconds)
[19:46] <gordonDrogon> yes - pulse width modulation.
[19:46] <pigrit> aha! I knew I'd read it somewhere before
[19:46] <pigrit> which is I suppose what rgb leds are based on
[19:46] <gordonDrogon> the Pi has one (or 2 on a v2) hardware PWMs that you can control without a program running thought.
[19:47] <gordonDrogon> and I think the pigpio program thingy has a daemon that can pwm all pins while the daemon is running.
[19:47] <pigrit> would this be different with a non rgb led ?
[19:47] <gordonDrogon> not really.
[19:47] * Datalink (~Datalink@unaffiliated/datalink) has joined #raspberrypi
[19:47] <methuzla> pwm is general purpose, has many applications
[19:47] <gordonDrogon> an rgb led is just 3 leds in one package. if you want to dim a single LED you'd still use PWM.
[19:47] <pigrit> and if I wanted to just turn it on and off gpio is good enough, ok
[19:48] <gordonDrogon> sure.
[19:48] * GentileBen (GentileBen@cpc70133-lutn12-2-0-cust324.9-3.cable.virginm.net) has joined #raspberrypi
[19:48] * sphenxes01 (~sphenxes@91-115-169-233.adsl.highway.telekom.at) has joined #raspberrypi
[19:49] <gordonDrogon> so, red, green, blue, red + green, red + blue, blue + green, all 3 = white.
[19:49] <pigrit> and the led stays on and of the chosen color until new gpio commands are run
[19:49] <gordonDrogon> yup.
[19:49] <pigrit> thus achieving the fire and forget result we were going for
[19:49] <gordonDrogon> try it now if it's in-front of you.
[19:49] <pigrit> bravo
[19:49] * Datalink (~Datalink@unaffiliated/datalink) Quit (Read error: Connection reset by peer)
[19:49] <pigrit> right on
[19:49] <pigrit> I wish I could copypaste between pc and pi
[19:50] <Hectate> I should wire up SSH for my pi0 or something
[19:51] <pigrit> for pin in 23 24 25; do gpio -g mode $pin out ; done <-- this is to turn them all off to initialize ?
[19:51] <gordonDrogon> initialise.
[19:51] <gordonDrogon> you just do that once.
[19:51] * bizarro_1 (~bizarro_1@30.Red-88-14-184.dynamicIP.rima-tde.net) has joined #raspberrypi
[19:53] <pigrit> initialize :D oxford british spelling
[19:53] <gordonDrogon> it doesn't actually change the state of the output register, so some might come on.
[19:53] <pigrit> err
[19:53] <gordonDrogon> I'm dyslexic, left-handed and was persecuted at school for my spelling. I hate - really really hate being corrected, so that's the last I'm going to help you here.
[19:54] <pigrit> I thought you were correcting me first, take it easy bud
[19:54] <Gadgetoid> Left-handed for the win!
[19:54] <pigrit> <pigrit> for pin in 23 24 25; do gpio -g mode $pin out ; done <-- this is to turn them all off to initialize ?
[19:54] <pigrit> <gordonDrogon> initialise.
[19:54] <Hectate> I'm just going to say that I like this website's use of a gear that turns when you scroll up and down. Slow clap for whoever did that. http://www.interlockroc.org/2012/12/06/raspberry-pi-macgyver/
[19:55] * [Butch] (~butch@c-73-158-228-135.hsd1.ca.comcast.net) Quit (Quit: I'm out . . .)
[19:56] <pigrit> anyway if you want to keep a grumpy face thanks for your help so far
[19:57] <Gadgetoid> Hectate: that's brlliant and pointless, love it!
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[19:57] <myself> hahaha, hackerspace websites ftw
[19:57] <myself> mention that in #hackerspaces
[20:00] * rwb1 (~Thunderbi@host55.vsac.cust.sover.net) has joined #raspberrypi
[20:03] <Hectate> i'm curious
[20:04] * rwb (~Thunderbi@host56.vsac.cust.sover.net) Quit (Ping timeout: 240 seconds)
[20:04] * rwb1 is now known as rwb
[20:04] <Hectate> has anyone seen a gpio connector (presumably for the zero only) that just snaps into the hole(s)?
[20:04] <Hectate> without being permanantly soldered in?
[20:04] <Gadgetoid> You could use pogo pins in a pinch, but in practise it's a pain
[20:05] <Hectate> keeping a good contact is the issue, I presume?
[20:05] <Gadgetoid> The mechanics of making an individual, snap-in GPIO pin that doesn't break all the time and keeps good contact is problematic for quantities of 1
[20:05] <Gadgetoid> Scale that up to 40 pin headers... and just... nope!
[20:05] <Hectate> heh
[20:05] <Gadgetoid> Pogos seem to make pretty good contact though, we're using them on testing jigs for Pi Zero addons
[20:06] <myself> FCU 67292-020 should be a 40-pin press-fit
[20:06] * tombrough (~tom@cpc3-newt3-0-0-cust8.19-3.cable.virginm.net) has joined #raspberrypi
[20:06] <myself> FCI rather, but nobody stocks it
[20:07] <myself> press-fit connectors are pretty common but they're not meant to be removed except in rare occasions for replacing a damaged pin. What exactly is your need for a non-solder connector?
[20:08] * c00ljs (~c00ljs@ has joined #raspberrypi
[20:08] <myself> You can totally make a pogo bed-of-nails fixture, but it'll cost a fair bit.
[20:08] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) has joined #raspberrypi
[20:09] <Hectate> i'd like to use the GPIO occassionally but not necessarily permanantly.
[20:09] * j12t_ (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) has joined #raspberrypi
[20:09] <myself> Just solder in the connector and use a removable cable
[20:09] <Hectate> yeah
[20:09] <myself> I thought you were trying to do production test or something
[20:09] <Hectate> i was just wondering if there was an easy way to tap a wire right into the hole without all the extra pins
[20:09] <Gadgetoid> You can push pogos into a female header, much easier tha trying to solder them to anything
[20:10] <myself> yeah, solder!
[20:10] * vdamewood (~vdamewood@unaffiliated/vdamewood) Quit (Quit: Life beckons.)
[20:10] <Gadgetoid> And then they're interchangable
[20:10] <Hectate> lol
[20:10] <myself> solder a wire right into the hole, seriously. None of this is rocket science.
[20:10] <Gadgetoid> That's then permenant
[20:10] <myself> And if you want the thing to not be permanently attached, just buy another zero
[20:10] <Hectate> lol
[20:10] <myself> they're cheaper than a handful of pogos
[20:10] <Gadgetoid> Then again if you want a semi-permenant electrical connection on a pizero... use USB :D
[20:11] <Hectate> this stuff is new to me so I'm just exploring the possibility space, that's all
[20:11] <myself> step 1: buy a good soldering iron
[20:11] <myself> step 2: laugh at all the folks who ask the silly questions you used to ask before you had a good soldering iron
[20:11] <Hectate> ha
[20:12] <Hectate> a soldering iron is next on my list of hobby acquisitions
[20:12] <Gadgetoid> step 3: burn yourself, turn the tip to charred solder ash, accidentally use rubber tubing instead of heatshrink
[20:12] <ali1234> you don't need a good soldering iron
[20:12] * normalra (~normal@unaffiliated/normalra) has joined #raspberrypi
[20:12] <ali1234> you need good solder
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[20:13] * j12t (~j12t@c-107-3-142-14.hsd1.ca.comcast.net) Quit (Ping timeout: 240 seconds)
[20:13] <Gadgetoid> Despite what I do for a living, I posess neither :D
[20:13] <Hectate> heh, is asking about soldering in here like asking about distributions in #linux? lol
[20:13] <Gadgetoid> Actually, my solder isn't so bad, it's good old-fashioned stuff, full of chemicals and nasty stuff
[20:13] * dreamon (~dreamon@unaffiliated/dreamon) has joined #raspberrypi
[20:13] <myself> no, it's like asking about compilers in #linux
[20:14] <myself> if you're here, you shouldn't be afraid to do the thing that underlies all the everything
[20:14] <ali1234> asking about compilers in #linux is futile because nobody there knows anything baout them
[20:14] <Gadgetoid> myself: that's a fair point, considering this is also IRC in which most people assume an inherent technical understanding of anyone even managing to get here
[20:14] * rwb1 (~Thunderbi@host56.vsac.cust.sover.net) has joined #raspberrypi
[20:14] <Gadgetoid> Unless IRC has some sort of.. web front end that just lets the mugs wonder right in, but that'd be silly, nobody would ever do that
[20:15] <Hectate> myself: I understand where you're coming from. As noted I'm exploring the possibilities and asking the questions for things I've not encountered. Years of computer work and I've only had to solder once.
[20:15] <Gadgetoid> Also, we should all move to Slack, IRC isn't colourful enough and doens't have a gif plugin
[20:15] <Hectate> no fear here, just curiosity
[20:15] <myself> hehe. Dive right in! You won't burn yourself much.
[20:15] <Gadgetoid> Hectate: no seriousness here, just jest :D
[20:15] <myself> 2, 3 times tops, and you'll figure out which end to suck on.
[20:16] <Gadgetoid> Also if you solder, you've got an excuse to own this: https://www.hakko.com/english/products/hakko_fx888d.html
[20:17] <Hectate> that looks high end
[20:17] <nid0> my soldering iron cost me like £6
[20:17] <nid0> that looks a bit beyond my budget
[20:18] <Gadgetoid> It's pretty mid range
[20:18] <Gadgetoid> I mostly like it becuase it's flippin' silver
[20:18] <pksato> for starting, cheap good quality 30w solder iron is ok.
[20:18] * rwb (~Thunderbi@host55.vsac.cust.sover.net) Quit (Ping timeout: 240 seconds)
[20:19] <Gadgetoid> Hard to go wrong really, the biggest two issues I have with irons are 1) Taking forever to heat up, 2) Being gas powered and heating to 999999C and melting everything in a 1 lightyear radius
[20:20] <pksato> if want to work with SMT, need expensive gears.
[20:20] * rwb (~Thunderbi@host56.vsac.cust.sover.net) has joined #raspberrypi
[20:20] <myself> for starting, find a friend who owns a decent iron so you can learn how solder is supposed to work, and get some pointers on your technique. Once you've built some experience, you can get by with a cheap iron, but I wouldn't wish that on a newbie.
[20:20] <myself> Finding a local hackerspace or ham radio club is a good way to get started.
[20:20] <pksato> or, lots of patience.
[20:21] * Encrypt (~Chuck@cpc72901-newt33-2-0-cust203.19-3.cable.virginm.net) Quit (Quit: Quitte)
[20:21] <Gadgetoid> I've got a set of RGB LEDs mounted behing yellow perspex :D
[20:21] * rwb1 (~Thunderbi@host56.vsac.cust.sover.net) Quit (Ping timeout: 255 seconds)
[20:22] * CrazyEddy (crazyed@wrongplanet/CrazyEddy) Quit (Remote host closed the connection)
[20:23] <mothership> what means - 'not running a tty device', I get this error when running script from rc.local, but when I run it manually I don't get this message
[20:23] * MiningInc (~MiningInc@gateway/vpn/privateinternetaccess/mininginc) has joined #raspberrypi
[20:23] <mothership> script captures the stdin input
[20:23] <myself> well, what's a tty, in linux parlance?
[20:24] <Gadgetoid> Teeny Tiny Yelf?
[20:24] * myself throws a history book at Gadgetoid
[20:24] <pksato> mothership: dont have a interactive terminal/shell.
[20:25] * Thayli (~thayli@unaffiliated/thayli) Quit (Quit: leaving)
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[20:26] <mothership> pksato, could that be the reason that I'm running that script from rc.local? is there more appropriate way to run scripts in foreground on boot?
[20:26] * mythos (~mythos@unaffiliated/mythos) has joined #raspberrypi
[20:27] <mothership> I need to run it in foreground because I need to capture keyboard input
[20:27] <pksato> rc. scripts don't have tty connected.
[20:27] <mothership> for that I need to set stdin in raw mode
[20:27] <mothership> to rawMode
[20:27] <myself> I'm gonna guess set it as your shell
[20:28] <myself> but that's because I'm a linux noob and have only a vague grasp on how such things work ;) but it has to be part of an interactive session for that to work
[20:28] <pksato> have two soluction, write a programa that open tty.
[20:29] <pksato> or, use some trick inittab or stdin/stdout redirection
[20:29] * CrazyEddy (crazyed@wrongplanet/CrazyEddy) has joined #raspberrypi
[20:30] <pksato> and. or/ some systemd trick.
[20:30] <myself> http://superuser.com/questions/584931/howto-start-an-interactive-script-at-ubuntu-startup
[20:31] <myself> also useful: http://stackoverflow.com/questions/18186929/differences-between-login-shell-and-interactive-shell
[20:33] <pksato> my trick on inittab 6:23:respawn:/sbin/getty -n -l /home/bmon/bmonlogin 38400 tty6
[20:33] * arien (~arien@ Quit (Quit: Yawn... zzZzz..)
[20:33] <pksato> /home/bmon/bmonlogin have a main line exec /bin/login -f bmon
[20:34] <pksato> basically, I replaced login program.
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[20:47] <mothership> myself, first link did it, thanks
[20:48] * c00ljs (~c00ljs@177-208-18-176.user3p.veloxzone.com.br) has joined #raspberrypi
[20:48] <mothership> also is there a way to force the pi to turn on the numlock without the need of numlockx?
[20:48] <mothership> a system setting perhaps?
[20:48] <mothership> raspberian btw
[20:49] * c00ljs (~c00ljs@177-208-18-176.user3p.veloxzone.com.br) Quit (Remote host closed the connection)
[20:49] <Swensson> Can I use Pin # 7,11,13,15 as PWM? Raspberry Pi 2 Model B Rev 1.1
[20:52] <pksato> mothership: setleds -D +num
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[21:13] * mstevens succesfully assembles a pibow zero
[21:14] * shantorn (~Shane@75-164-163-84.ptld.qwest.net) Quit (Ping timeout: 265 seconds)
[21:14] <mstevens> although if someone makes a case that lets you get at the sd card I might defect
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[21:19] <Swensson> servoblaster or pigpiod, what's the best to use for a quad?
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[21:24] <mothership> pksato, thanks
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[21:28] * ctrlshftn is now known as ctrlshftn-away
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[21:41] <ali1234> well, this sucks
[21:41] <ali1234> the official power supply is quite capable of supplying 2 amps
[21:42] <ali1234> but unfortunately the cable on it isn't
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[21:43] * MrObvious (~no_id@unaffiliated/xcfdjse7en) has joined #raspberrypi
[21:44] <ali1234> if you try to draw 2A from it, cable resistance alone will drop the output down to ~4.5 volts, triggering a voltage warning
[21:45] <ali1234> this is why it doesn't work properly with the official screen... that plus a pi draws about 0.7A which drops the voltage down to 4.91V
[21:46] <ali1234> then the LCD board itself drops the voltage down another 0.15V
[21:46] * Ahmed90 (~Ahmed90@unaffiliated/ahmed90) Quit (Quit: Leaving)
[21:46] <ali1234> so the pi is receiving 4.75V... which is the exact place where voltage warnings start
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[21:55] <r_02> guys
[21:55] <r_02> question
[21:55] <r_02> what format does a sd card have to be for an os to work in raspberry pi
[21:55] <ali1234> it has to have a MSDOS partition table and the first partition has to be FAT
[21:56] <ali1234> the rest of the partitions depends on what OS you install
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[22:00] * mgottschlag (~quassel@reactos/tester/phoenix64) Quit (Ping timeout: 246 seconds)
[22:01] <r_02> okay good
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[22:03] * Berg (~chatzilla@pa114-73-166-14.pa.nsw.optusnet.com.au) has joined #raspberrypi
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[22:03] <gordonDrogon> ali1234, I have a Pi v2 with the official display and official PSU and right now its working just fine ...
[22:04] <ali1234> gordonDrogon: how are you powering it?
[22:04] <gordonDrogon> official (white) PSU ...
[22:04] <ali1234> right, that only has one USB connector on it, and the display and pi need two
[22:05] <gordonDrogon> the Pi powers the display or vice versa.
[22:05] <gordonDrogon> PSU is currently plguged into the Pi.
[22:05] <ali1234> the way you are supposed to do it is to plug the PSU into the display
[22:05] <ali1234> then plug the power out from the display into the Pi
[22:06] <gordonDrogon> Are you? I didn't think it mattered. hang on, I'll switch it over.
[22:06] * H__ uses three 5V 60A power supplies for 120 PIs :)
[22:07] * ch007m (~chm@ip-213-49-88-130.dsl.scarlet.be) has joined #raspberrypi
[22:07] <ali1234> the way you have it now will work better, because the Pi will not be subject to the voltage drop caused by the display board
[22:07] <gordonDrogon> ok. swapped power into the display board. Pi boots OK. No low voltage warnings.
[22:07] <gordonDrogon> let me find a keyboard and startx on it...
[22:07] <r_02> okay so lets say I wanna put ubuntu mate on my pi. I have the iso and used Win32DiskImager to put in on the SD. I checked the format of the SD and it is Fat. anything else?
[22:07] <ali1234> you shouldn't need to
[22:08] <gordonDrogon> shouldn't need to what?
[22:08] <ali1234> startx. i get power warnings during bootup while it is still on the console
[22:08] <simoneb> 'gday. sooo 22 hours ago i launched a screen and start compiling xboxdrv....... and............... it is still running....................
[22:08] <gordonDrogon> ah. well, keyboard is in & X is running.
[22:08] <ali1234> i have the following: official power supply -> screen -> display board -> 20cm uUSB cable -> Pi2
[22:08] <simoneb> what the fuck is wrong with xboxdrv & the pi.............
[22:09] <gordonDrogon> simoneb, family friendly please.
[22:09] <simoneb> yea... sorry
[22:09] <kreggly> Any Zeros seen in the wild in Can-a-da?
[22:09] <ali1234> the voltage at the display power connector is 4.91V
[22:09] <ali1234> the voltage at Pi GPIOs is 4.73V
[22:10] <ali1234> the voltage at the display power *in* connector is 4.91V
[22:10] <ali1234> at the display power out connector it's 4.83V
[22:10] <gordonDrogon> well, seemed OK to me - X run, web run, browsed a few sites - seems ok.
[22:11] <gordonDrogon> let me see if I can find my AVO.
[22:11] <gordonDrogon> oops, DVM
[22:11] * ldc (lorenzo@unaffiliated/ldc) has joined #raspberrypi
[22:11] <ali1234> the whole lot is using 0.7A
[22:12] * drewx0r (~drewx0r@unaffiliated/drewx0r) has joined #raspberrypi
[22:12] <ali1234> these voltage drops are not particularly out of the ordinary either
[22:13] * JStoker (jstoker@unaffiliated/jstoker) has joined #raspberrypi
[22:13] <gordonDrogon> hm. can't find it which is somewhat annoying.
[22:14] <ali1234> or maybe it is... that suggests the PSU cable has a resistance of ~0.3 Ohm per metre
[22:14] * Lorduncan (~Thunderbi@14.Red-83-53-117.dynamicIP.rima-tde.net) has joined #raspberrypi
[22:15] * averagecase (~anon@cl-6544.cgn-01.de.sixxs.net) has joined #raspberrypi
[22:15] <ali1234> for copper cable that means a cross section of about 0.1mm^2
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[22:16] <ali1234> that seems unlikely unless it's broken
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[22:18] <gordonDrogon> 4.91v
[22:18] <gordonDrogon> at the usb sockets.
[22:18] <ali1234> the pi USB sockets?
[22:18] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) Quit (Ping timeout: 240 seconds)
[22:18] <ali1234> what voltage do you get on the 5 pin dupont header on the display board?
[22:19] <gordonDrogon> is that the gpio power one?
[22:19] <ali1234> yes
[22:20] <ali1234> power pins are the left-most and right-most ones
[22:20] <gordonDrogon> same.
[22:21] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) has joined #raspberrypi
[22:21] <gordonDrogon> and the pi's still running...
[22:22] <ali1234> you're not pulling enough current then i guess
[22:23] * JK-47 (RJ@2600:3c03::f03c:91ff:fe73:fc8) Quit (Quit: Leaving.)
[22:24] * mstevens experiments, pi zero seems to work nicely, I just need the gamepad to arrive
[22:24] <ali1234> i see 4.93V on the pi gpio and 4.95V on the display gpio if i boot the bare matel blinker demo
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[22:25] <gordonDrogon> not sure what more I can do on it right now.
[22:26] <ali1234> blinker uses about 0.58A
[22:26] * trumpetarn (~trumpetar@h88-129-226-41.dynamic.se.alltele.net) Quit (Quit: Leaving)
[22:27] <mstevens> has anyone tried http://www.modmypi.com/raspberry-pi/accessories/keyboards-and-mice/raspberry-pi-compatible-usb-gamepad ?
[22:27] <ali1234> booting linux spikes up to 0.8A, wich is when the warning kicks in
[22:29] * pksato (~PEBKAC@unaffiliated/pksato) has joined #raspberrypi
[22:29] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) Quit (Quit: For Valhall!)
[22:29] * toomin (~HomoSapie@unaffiliated/toomin) Quit (Quit: I wish I was a glow worm, a glow worm's never glum, 'cause how can you be lonely when the sun shines out your bum?)
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[22:30] <gordonDrogon> just rebooted, no flicker of the red led.
[22:30] * BenGrimm (UPP@cpe-70-119-236-74.tx.res.rr.com) Quit (Ping timeout: 256 seconds)
[22:31] * BenGrimm (UPP@cpe-70-119-236-74.tx.res.rr.com) has joined #raspberrypi
[22:32] <ali1234> i'll try a different distro
[22:32] * averagecase (~bolle@cl-6544.cgn-01.de.sixxs.net) has joined #raspberrypi
[22:32] * Encrypt (~Chuck@cpc72901-newt33-2-0-cust203.19-3.cable.virginm.net) has joined #raspberrypi
[22:33] <gordonDrogon> I'm using raspbian wheezy, kernel 4.oatcake.
[22:33] * rwb (~Thunderbi@host56.vsac.cust.sover.net) Quit (Quit: rwb)
[22:33] * rwb (~Thunderbi@host56.vsac.cust.sover.net) has joined #raspberrypi
[22:34] <ali1234> with a minimal raspbian jessie, no GUI, the power light blinks exactly once during boot
[22:35] <ali1234> i have no USB device plugged in either
[22:36] <pigrit> mstevens making an emulation pi ? using any particular distro ?
[22:37] <ali1234> hmm it booted wwithout the warning that time
[22:38] * almarshall (~almarshal@pool-96-241-166-254.washdc.fios.verizon.net) Quit (Quit: almarshall)
[22:39] * d5sx43 (~d5sx43@ has joined #raspberrypi
[22:42] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) Quit (Quit: For Valhall!)
[22:42] * Moonsilence (~Moonsilen@ Quit ()
[22:43] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) has joined #raspberrypi
[22:44] <gordonDrogon> https://projects.drogon.net/raspberry-pi-controlled-oven/ <-- little blog post on my Pi controlled oven
[22:44] <mstevens> ali1234: nothing amazing, retropie
[22:44] * sphenxes01 (~sphenxes@91-115-169-233.adsl.highway.telekom.at) Quit (Ping timeout: 256 seconds)
[22:45] <mstevens> ali1234: Although I may also see if I can get the bbc micro emulator working because I also get nostalgic for those
[22:46] <mstevens> ali1234: setting it up on my newly arrived zero
[22:47] * bortzmeyer (~stephane@2a01:e35:8bd9:8bb0:21e:8cff:fe76:29b6) Quit (Quit: Leaving.)
[22:48] <mstevens> there's one bbc game I haven't managed to finish in 30 years...
[22:48] * Hectate (~Hectate@ Quit ()
[22:48] * AirForce590 (~AirForce5@mobile-166-172-058-174.mycingular.net) has joined #raspberrypi
[22:49] <gordonDrogon> I have a BBC Micro...
[22:49] <gordonDrogon> no disk drive for it though..
[22:49] * d5sx43 (~d5sx43@ Quit (Quit: Leaving...)
[22:49] <Encrypt> BTW gordonDrogon, the STEM link is down: https://projects.drogon.net/stem/
[22:50] <AirForce590> Ok, so I'm building a Raspberry Pi robot, and I have everything worked out but the control system. While running Python over ssh is nice, I would prefer to have some sort of gamepad. I don't have a wireless one, but I have plenty of wired ones. Is it possible to share a joystick from a laptop to the pi over wifi?
[22:51] <AirForce590> The wireless gamepads are kind of expensive ($50)
[22:51] * AirForce590 is now known as OsciX
[22:52] <gordonDrogon> Encrypt, seems ok for me. hmm.
[22:52] <OsciX> Basically, the laptop intercepts the USB traffic and sends it to the Pi as if the wired joystick was actually plugged into the Pi. Is there a better way to do this?
[22:53] * netzfisch (~Thunderbi@x55b061fb.dyn.telefonica.de) has joined #raspberrypi
[22:53] <mstevens> It'd be nice if someone made a raspberry pi bbc micro (in my head anyway...)
[22:53] * Swensson (~Swensson@h69n10-lid-a11.ias.bredband.telia.com) Quit ()
[22:53] <OsciX> ^ you made me lol
[22:54] * DammitJim (~DammitJim@ Quit (Quit: Leaving)
[22:54] <OsciX> But seriously though, has anyone done his before?
[22:54] <mstevens> OsciX: I don't actually know, I'm just rambling
[22:55] <OsciX> mstevens: My robot thing, not the PiMicro
[22:57] * r_02 (~r_02@h121.46.172.72.dynamic.ip.windstream.net) Quit (Quit: Leaving)
[22:57] <Berg> I love being in control
[22:57] <mstevens> OsciX: I feel like someone must have done something related
[22:57] <OsciX> Berg: This is a long shot, but would you happen to be in CAP?
[22:58] * chiasmata (~chiasmata@ has joined #raspberrypi
[22:58] <OsciX> mstevens: I would like to avoid buying a wireless controller if at all possible
[22:58] <mstevens> OsciX: it sounds like the sort of thing that wouldn've been done ins ome form
[22:59] <OsciX> mstevens: Yeah
[22:59] <OsciX> I could use a keyboard over ssh, but that's kind of cumbersome
[23:01] <Magnifikus> is it possible todo downscaling on the hdmi? like i got an 800x600 display but need 1200x900 virtual X11 resolution
[23:01] <Magnifikus> thought about fbcp? could live with 20fps
[23:01] * zol (~zol@li152-84.members.linode.com) Quit (Quit: WeeChat 0.4.2)
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[23:05] <gordonDrogon> Encrypt, do you mean the link to the stemnet site?
[23:05] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) has joined #raspberrypi
[23:05] * OsciX (~AirForce5@mobile-166-172-058-174.mycingular.net) Quit (Remote host closed the connection)
[23:05] * normalraw (~normalra@unaffiliated/normalra) Quit (Ping timeout: 240 seconds)
[23:05] * normalra (~normal@unaffiliated/normalra) Quit (Ping timeout: 246 seconds)
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[23:07] <Hypnotizes> hi when can I order rpi zero?
[23:07] <Hypnotizes> its still no available
[23:07] <Hypnotizes> not *
[23:08] * beardedbuddha is now known as beardedbuddha|aw
[23:10] * Lasliedv (~pi@92-249-138-161.pool.digikabel.hu) has joined #raspberrypi
[23:10] * codestorm (~codestorm@cpe-75-83-205-183.socal.res.rr.com) Quit (Ping timeout: 256 seconds)
[23:10] <Encrypt> gordonDrogon, YEs
[23:11] <Encrypt> Oops
[23:13] * nardul (~nardul@mahavira.dk) Quit (Quit: WeeChat 1.0.1)
[23:13] <pigrit> is there a display that uses the pi's display slot ?
[23:13] * cagmz (~cagmz@cpe-76-95-140-68.socal.res.rr.com) Quit (Read error: Connection reset by peer)
[23:14] <methuzla> yes
[23:14] <pigrit> oho
[23:14] <pigrit> it IS recent, right
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[23:15] * netzfisch (~Thunderbi@x55b061fb.dyn.telefonica.de) Quit (Ping timeout: 255 seconds)
[23:16] <gordonDrogon> Encrypt, ah well, their website always was really rubbish.
[23:16] <gordonDrogon> and the whole stem ambassador thing is rubbish too - at least here in the south west.
[23:17] <pigrit> what what, it feeds straight from the pi ??
[23:17] <gordonDrogon> the franchise holder is the local careers service and they don't understand self-employed people - they also just want us to attend mock interviews, or "I have the best job in the world because", or some silly dragons den type of thing. Hmph.
[23:18] <gordonDrogon> pigrit, yes - the official 7" display.
[23:18] <methuzla> pigrit https://www.raspberrypi.org/blog/the-eagerly-awaited-raspberry-pi-display/
[23:18] <methuzla> pigrit https://www.raspberrypi.org/products/raspberry-pi-touch-display/
[23:18] <pigrit> reading exactly that page
[23:18] <gordonDrogon> https://shop.pimoroni.com/products/raspberry-pi-7-touchscreen-display-with-frame
[23:18] <gordonDrogon> out of stock...
[23:19] <Gadgetoid> Yeah, so out of stock
[23:19] <pigrit> :(
[23:19] <Encrypt> gordonDrogon, OK :p
[23:19] * TheSin (~TheSin@gateway.bluefalls.ca) Quit (Quit: Client exiting)
[23:19] <Gadgetoid> We *might* list more either this week or next, but don't bet on it
[23:20] * normalra (~normal@unaffiliated/normalra) has joined #raspberrypi
[23:20] <gordonDrogon> hm. what's the usb socket on the display board for... ?
[23:21] <Gadgetoid> Powering the Pi, in theory
[23:21] <Gadgetoid> It just does power
[23:21] * TyrfingMjolnir (~Tyrfing@c-66-229-198-181.hsd1.fl.comcast.net) Quit (Quit: For Valhall!)
[23:23] <gordonDrogon> that's the micro usb - there's a full size usb A port too..
[23:23] * Hypnotizes (~Hypnotize@unaffiliated/hypnotizes) Quit (Ping timeout: 240 seconds)
[23:25] <Gadgetoid> Oh the full-sized USB A port is for powering the Pi
[23:25] <Gadgetoid> The micro USB is for providing power to the whole system
[23:25] <Gadgetoid> And there are also header pins for using jump wires to power the Pi
[23:25] <Gadgetoid> I prefer this solution, though: https://shop.pimoroni.com/products/split-microb-usb-power-cable
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[23:26] <gordonDrogon> right. so its power out.
[23:27] <gordonDrogon> I think I prefer using the gpio pins for power...
[23:27] <Gadgetoid> Or in, if you want, it's just connected to the voltage rails so it's pretty agnostic about direction :D
[23:27] <Gadgetoid> And yes I've used a hacked-up cable to power it through that port
[23:27] <gordonDrogon> hacked up? it came supplied with jumper cables.
[23:27] <Gadgetoid> And a Flotilla cable to bridge the micro USB from the display board to the Pi
[23:28] <Gadgetoid> No to power it through the full-sized USB
[23:28] <gordonDrogon> ok
[23:28] <Giddles> anyone using here tplink TL-WR841ND in the v.10?
[23:30] * netzfisch (~Thunderbi@x55b061fb.dyn.telefonica.de) has joined #raspberrypi
[23:34] <ali1234> gordonDrogon: I'm using that USB port
[23:34] <ali1234> it's a few mV higher than the gpio pins
[23:35] <ali1234> Gadgetoid: is it normal for the official power supply to drop down to like 4.9V at the connector with a 0.7A load?
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[23:36] * netzfisch (~Thunderbi@x55b061fb.dyn.telefonica.de) Quit (Quit: netzfisch)
[23:36] <ali1234> Gadgetoid: i notice you didn't publish my review of that USB splitter cable lol
[23:38] <gordonDrogon> ali1234, I'm powering another pi from my Pi v2 + display...seems to have booted just fine.
[23:38] * ech0s7 (~ech0s7@ Quit (Quit: Sto andando via)
[23:39] <ali1234> also if you power the display board through the USB A you skip the polyfuse
[23:39] <ali1234> which introduces another 0.03v drop
[23:39] <Berg> hmm
[23:39] <Berg> dont like thaT IDEA
[23:40] <ali1234> i think the gpio power out might be boosted
[23:40] <ali1234> it's not connected directly to the power rails
[23:41] <ali1234> but on the other hand it's also consistently lower voltage than either of the other two ports, so i dunno
[23:42] <gordonDrogon> ali1234, Heh.. I have a piglow on the Pi I'm powering from he display Pi - full brightness on the piglow blinds me and triggers the under voltage.
[23:43] <gordonDrogon> I think you just have a bad PSU.
[23:43] <ali1234> what do you mean "powering it from the display pi"
[23:43] <ali1234> how are you doing that
[23:43] * ManiacTwister (~Twister@rdns.s7t.de) has joined #raspberrypi
[23:43] <ali1234> you mean from the USB ports?
[23:44] <gordonDrogon> yes.
[23:44] <ali1234> so you must have extremely low power draw then
[23:44] <gordonDrogon> so official psu into display board- gpio cables to Pi v2 then usb from the Pi to another Pi to power it.
[23:44] <ali1234> yeah as i said i am using the USB port
[23:45] <gordonDrogon> the display Pi is just sitting at the login screen.
[23:45] <ali1234> i will try the gpio
[23:45] <ali1234> there's definitely something different about it
[23:45] <gordonDrogon> good luck with it. I'm off to bed.
[23:47] <wondiws> can you use the kernel source from kernel.org on the Raspberry Pi (1)?
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