highaltitude.log.20120120

[00:01] <Tom25> No problem! Last thing, is there an example/working code for transmitting gps location through rtty for the arduino?
[00:02] <Lunar_Lander> that would be interesting for me also
[00:02] <Tom25> There must be some somewhere, considering the number of projects.
[00:03] <Lunar_Lander> yea
[00:05] <Tom25> Oh the gps here http://ukhas.org.uk/guides:gps_modules all seem to require breakout board - would they be usuable with stripboard?
[00:07] <Lunar_Lander> I think so
[00:08] <Tom25> Which is recommended most?
[00:09] <Lunar_Lander> well, I got a Venus GPS from sparkfun
[00:09] <Lunar_Lander> but you need to install the new firmware (which is available on the sparkfun site)
[00:09] <Lunar_Lander> http://www.sparkfun.com/products/10921
[00:11] <Tom25> Thanks for the link, but you said you hadnt connected it to the arduino?
[00:11] <Lunar_Lander> not yet
[00:11] <Lunar_Lander> because when I connected it to an UART, it won't even get the location
[00:11] <Lunar_Lander> it still thinks it is in Taiwan
[00:11] <Lunar_Lander> thus I will try to take the whole thing to the garden tomorrow or so
[00:12] <Lunar_Lander> because I learned that GPS doesn't really work indoors
[00:12] <Tom25> So mainly down to faulty/bad signal?
[00:13] <Lunar_Lander> I hope so
[00:13] <Lunar_Lander> if the garden test fails, I think that the GPS is broken
[00:13] <Lunar_Lander> :(
[00:13] <Tom25> I guess you can ask for a refund at least!
[00:14] <Tom25> If they normally work though i think ill use that, and attatch it with the rest to the stripboad
[00:14] <Lunar_Lander> yeah
[00:14] <Lunar_Lander> maybe it would be a good idea to solder some female headers to the stripboard
[00:15] <Lunar_Lander> so that you can "unplug" the GPS again
[00:15] <Lunar_Lander> if that is necessary for some reason
[00:17] <Tom25> Thats a good idea, but id have to slder it in properly preflight becaus female headers migh come apart
[00:18] <Tom25> So if all goes to plan, i should have a working tracker in a month or so
[00:18] <Tom25> Minus code
[00:19] <Lunar_Lander> yes
[00:19] <Lunar_Lander> are you based in the UK or Europe?
[00:19] <Tom25> UK :)
[00:20] <Lunar_Lander> :)
[00:20] <Tom25> in europe :p
[00:20] <Lunar_Lander> if you have the time, why don't you come back like tomorrow afternoon
[00:20] <Lunar_Lander> :P
[00:20] <Lunar_Lander> during the day, the other people here are more active
[00:20] <Lunar_Lander> and there are more opportunities to ask
[00:21] <Tom25> Yeah will do, got plenty more questions :) the tracker just has so many confusing elements!
[00:23] <Tom25> So im doing that first to justify the rest of the project
[00:23] <Lunar_Lander> yeah
[00:23] <Lunar_Lander> :)
[00:24] <Lunar_Lander> what are your further plans if I may ask?
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[00:27] <Tom25> Hopefully buy a 1200g balloon, and send it to near space with a HD mini camcorder - nothing too groundbreaking I know, but its challenging enough for me :)
[00:27] <Lunar_Lander> cool!
[00:27] <Lunar_Lander> :)
[00:27] <Lunar_Lander> I'm working on several sensor systems at the moment
[00:28] <Tom25> Nice, which ones in particular?
[00:28] <Tom25> I'm guessing temperature?
[00:31] <Lunar_Lander> yes, pressure, humidity, light levels
[00:31] <Lunar_Lander> that is all for the first ascent
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[00:34] <Tom25> Light levels? Interesting choice! Anyways, im off to bed now, catch you tomorrow hopefully!
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[01:40] Nick change: soafee-chan -> spacekitteh
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[03:09] <polycarbonate1> ok, I've been wanting to do my own launch for about two years
[03:10] <polycarbonate1> I'm rather more so inclined to actually do something about it now
[03:27] <polycarbonate1> what do the Horus units normally use for impact braking?
[03:27] <polycarbonate1> commercially available parachutes?
[03:30] <polycarbonate1> Spherachutes, I'm guessing
[03:49] <polycarbonate1> oooh
[03:49] <polycarbonate1> how hard would it be to have dl-fldigi running on a phone?
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[05:48] <pete-serwylo> Hey, good to see another launch at lca2012... Was it accelerating all the way up? The altitude graph seems so be exponential.
[05:49] <pete-serwylo> to*
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[07:26] <cuddykid> too early
[07:27] <SamSilver> cuddykid: been up 5 hours
[07:28] <SamSilver> am in CAT time zone so was up at 04h30 local
[07:31] <x-f> SamSilver, it's 9:30, right?
[07:36] <fsphil> much too early
[07:43] <cuddykid> SamSilver: eek
[08:01] <UpuWork> morning
[08:09] <SamSilver> was afk x-f yip it was 09h30 just over an hour ago, wife likes us to walk the dog and then have cupachino,s on the deck and I start work at 06h15
[08:09] <SamSilver> morning UpuWork
[08:11] <x-f> same time zone as here
[08:13] <x-f> only i get winter, snow and running nose, while you have a cup of cappuchino on the deck! :)
[08:14] <x-f> how can you start yor work at "so much too early"?
[08:14] <SamSilver> x-f: in my shorts :p
[08:15] <x-f> SamSilver, what's your latitude?
[08:20] <SamSilver> 32 east and 32 south
[08:28] Nick change: SamSilver -> SamSilver_
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[09:19] <daveake> Good yawning, er, morning, all
[09:19] <number10> good morning
[09:20] <daveake> Got a Canon A490 on fleabay last night ... £22 refurb from the Canon Outlet
[09:20] <daveake> Handy in case I lose one (again) :)
[09:22] <number10> thats good - I think the prices were high for a while - sudden hab interest
[09:23] <daveake> I think it's probably just that the canon outlet have started putting some on ebay - they do usually have sensible prices, unlike some sellers
[09:24] <daveake> And of course they come "as new" in boxes with manual etc.
[09:24] <number10> I bought I think a480 from them last year start price was 25 ended up paying 35
[09:24] <daveake> Previous one I bought was on its own in bubble wrap
[09:25] <daveake> Oh, this was a buy-it-now
[09:25] <number10> oh something has changed since I visited
[09:26] <daveake> Someone here got one nice and cheap a week or so ago
[09:27] <number10> was the shop canon_UK1 ?
[09:27] <daveake> yes
[09:27] <daveake> In other news :-), I made a duplicate tracker for cloud3 and put that in the payload. So now I have a set in that plus one on the bench
[09:29] <number10> you have been busy
[09:30] <number10> looks like you have more rigid antenna wire on this one
[09:30] <number10> compared to buz
[09:30] <daveake> Yes, this is the same as my original one
[09:31] <daveake> except it has 50mm inside the base to help stop it flapping about
[09:32] <number10> looks like the earth wire from some mains cable
[09:32] <daveake> Funny you should say that
[09:32] <number10> :)
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[09:53] <natrium42> Wiiiiiiiiiiiiiiiilson
[09:54] <griffonbot> Received email: Solar Balloonman "[UKHAS] Re: UPDATE: PicoAtlas6 MK2 Sat 07/01/12 14:00UTC"
[10:02] <fsphil> woo, got another A560
[10:05] <fsphil> Horus flew again last night?
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[10:06] <natrium42> looks like it
[10:07] <fsphil> that was kept quiet :)
[10:09] <number10> hey fsphil do you have - or have you seen an rsgb year book?
[10:11] <fsphil> haven't number10
[10:11] <fsphil> well I seen one at a distance
[10:11] <daveake> fsphil A560 - where from?
[10:11] <fsphil> daveake, ebay
[10:11] <number10> ah OK, fsphil
[10:11] <daveake> canon outlet?
[10:12] <fsphil> nah, just some random people
[10:12] <number10> how does the A560 , A480 and A490 compare?
[10:12] <daveake> okey dokey
[10:12] <daveake> How much?
[10:12] <number10> is there a vast difference in performance?
[10:12] <daveake> Don't think so. wikipedia has a comparison page
[10:13] <daveake> http://en.wikipedia.org/wiki/Canon_PowerShot_A
[10:13] <daveake> A560 is a bit heavier
[10:14] <daveake> elise135
[10:14] <daveake> woops wrong window
[10:14] <daveake> wrong pc in fact :)
[10:14] <number10> looks like nort much difference between 480 489 (slightly lighter)
[10:14] <daveake> yep
[10:14] <number10> 490 I meant
[10:15] <number10> I need to see a typing doctor (or a shrink)
[10:15] <daveake> both :)
[10:15] <number10> cheers daveake :)
[10:16] <number10> I was just shifter left a lttle on the KB - 90 << 89
[10:16] <number10> I give up.. I meant shifted
[10:16] <daveake> lol
[10:17] <number10> I am going quiet now before I embarras myself further
[10:17] <daveake> <cough>
[10:19] <daveake> Ah, a 4-screen desktop on my new peecee at last :)
[10:19] <daveake> Just need a widescreen mousepad and widescreen glasses :p
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[10:32] <fsphil> my new gfx card can drive three screens
[10:32] <fsphil> seems like such a waste only having 1 :)
[10:40] <Laurenceb> SpeedEvil: optical parts - thor labs but they are crazy expensive
[10:40] <Laurenceb> also edmund optics
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[10:46] <navrac_> if you are going for a long float, is it best to keep low so you avoid the uv knackering the balloon?
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[10:47] <fsphil> It would seem to make sense, but that trans-atlantic floater would suggest maybe not
[10:48] <Darkside> evening
[10:48] <Darkside> second launch went well
[10:48] <fsphil> howdy Darkside
[10:48] <fsphil> just spotted that on the tracker
[10:48] <Darkside> was at the landing site well before the balloon landed
[10:48] <Darkside> got video of it landing
[10:48] <Darkside> shakycam video, but video
[10:48] <fsphil> sweet!
[10:48] <Darkside> we saw it flying over our heads, which was pretty cool
[10:49] <Darkside> i wish i had my better camera with mea t the time
[10:49] <fsphil> must have been a hell of a prediction
[10:50] <Darkside> well this was using live predictions
[10:51] <Darkside> the live updating landing site was hovering around a certain area, so we got to that area and waited fr it to get closer
[10:51] <daveake_> "Temperature 39C" ... hmmm, toasty :)
[10:51] Nick change: daveake_ -> daveake
[10:51] <Darkside> then just as it was landing, followed the balloon
[10:51] <Darkside> and we could see it landing
[10:51] <fsphil> ah
[10:51] <daveake> nice
[10:51] <fsphil> there's no such thing as 39C
[10:51] <fsphil> everyone knows it can't get hotter than 25C :)
[10:52] <daveake> :-). Like my wife believes there's no such thing as time before at least 9 in the morning
[10:53] <Darkside> lol
[10:54] <fsphil> I'd agree with her but I've seen the horrors of 7am
[10:55] <UpuWork> http://www.theregister.co.uk/2012/01/20/nasa_shuts_off_voyager_central_heating/
[10:58] <fsphil> "Both send data back to Earth at 160 bits/sec and 1.4 kbps for high-rate plasma wave data, via a 3.7-metre antenna"
[10:58] <fsphil> they're faster than most of our payloads :)
[10:58] <daveake> Has a slightly higher power budget :)
[10:58] <fsphil> bit of a worry that this will kill the craft
[10:58] <eroomde> i suspect we could up our data rate if we had a 3.7m antenna on a balloon :)
[10:59] <fsphil> haha
[10:59] <eroomde> and a 75m antenna on the ground!
[10:59] <daveake> :D
[10:59] <fsphil> "We detected the payload while still under the horizon... in Australia"
[11:00] <griffonbot> Received email: "Re: [UKHAS] Re: UPDATE: PicoAtlas6 MK2 Sat 07/01/12 14:00UTC"
[11:00] <UpuWork> Parkes ..
[11:00] <Darkside> ?
[11:00] <Darkside> fsphil: wut
[11:00] <fsphil> 75m tracking station Darkside :)
[11:01] <daveake> If it's good enough for NASA ....
[11:01] <fsphil> though it would take some amazing propagation for even a 75m antenna to hear that far
[11:01] <Darkside> fsphil: parked?
[11:01] <Darkside> parkes*
[11:02] <UpuWork> isn't that the name of the dish in .oz that tracked Apollo ?
[11:02] <Darkside> yes
[11:02] <daveake> As in "The Dish". Good film.
[11:04] Action: fsphil makes a note on his films to watch list
[11:04] <UpuWork> not seen it ?
[11:04] <fsphil> nah
[11:04] <Laurenceb> youre not going to watch anything now megaupload is down
[11:05] <UpuWork> never used it tbh
[11:05] <fsphil> nah, I'd not heard of it until it closed
[11:07] <Laurenceb> dont try to deny it - we all know you like all the pronz
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[11:08] <daveake> Never noticed that before ... on google maps if you search on postcode it draws the perimeter for that postcode
[11:09] <Laurenceb> oh cool
[11:09] <fsphil> I think that's recent
[11:09] <Laurenceb> that nust be new
[11:09] <Laurenceb> i was getting crazy annoyed that it didnt do that a few weeks ago
[11:09] <daveake> :)
[11:09] <Laurenceb> while farcebook stalking
[11:09] <daveake> lol
[11:10] <Laurenceb> of course im joking and would never dream of such a thing
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[12:09] <daveake> In the rtty transmission, is it worth separating sentences with a short period of "mark"? I've noticed that sometimes after I tune in it can take a while for dl-fldigi to sync, so I'm wondering if this would make it easier for it.
[12:11] <SpeedEvil> versus silences?
[12:11] <SpeedEvil> Probably
[12:11] <daveake> versus almost no gap at all :)
[12:11] <SpeedEvil> shouldn't be
[12:11] <daveake> ok
[12:11] <SpeedEvil> dunno though
[12:12] <daveake> Also I noticed that RocketBoy puts 5 or 6 "$"'s at the start of his sentences. Wondered if that was for the same reason.
[12:16] <Laurenceb> its to allow a better sync
[12:18] <gonzo_> a few leading nulls would be cleaner
[12:18] <daveake> You mean it's picking up the actual baud rate?
[12:20] <gonzo_> nope, it's in case the decoder has seen a rogue start bit in the noise and is in the process of clocking in the bits when the real first character starts.
[12:20] <daveake> ok gottit
[12:20] <gonzo_> you'd miss that first char, and quite poss a few more
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[12:20] <gonzo_> as it could mis-frame quite a few characters till it drifts back to sync
[12:21] <gonzo_> nulls are cleanest, as they don't have bits that could be seen as another start bit if you are not frramed up
[12:22] <daveake> Right, so a null then is 1 start bit of 0, then 7/8 0's for the null, then 1/2 1's for the stop bit.
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[12:26] <gonzo_> that sounds about right
[12:26] <gonzo_> I can never remember the sense of the start/stop bits
[12:26] <daveake> :)
[12:27] <gonzo_> I did work it out once and 2 nulls shoudl garauntee clearing a UART from and frame errors
[12:27] <gonzo_> so therefore use 3 to be extra safe
[12:27] <Darkside> http://jms.id.au/~shenki/lca2012/Project_Horus_Tux_in_Space_linux_conf_au_2012.pdf
[12:27] <Darkside> theres a slide in there on RTTY
[12:27] <gonzo_> only works for nulls though
[12:28] <gonzo_> I really should go back to my tracker unit again, get it finished
[12:29] <daveake> Mine's ready for my launch (next weekend, hopefully).
[12:29] <cuddykid> atmel are sending me a few atmegas :D Upu - I'm going to get some surface mount ones to check them out :D
[12:29] <Jessica_Lily> ey
[12:29] <Jessica_Lily> *Hey
[12:30] <gonzo_> gd arvo
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[12:33] <gonzo_> I have to
[12:33] <cuddykid> Hi Jessica_Lily
[12:33] <gonzo_> try and get mu tracker to firs a snappy cam
[12:34] <gonzo_> fire
[12:39] <daveake> Darkside Can you actually get in that 4x4 with all the kit in there? :p
[12:39] <daveake> Worse than my chase car :D
[12:42] <Darkside> lol
[12:42] <Darkside> daveake: easily
[12:42] <Darkside> i even have a bit of leg room
[12:42] <Darkside> the talk should actually be online by now
[12:42] <Darkside> will try and find a link
[12:43] <Darkside> http://videos.lcaunderthestars.org.au/Tux_in_Space_High_altitude_ballooning.ogv
[12:43] <Darkside> there it is
[12:43] <daveake> tvm
[12:44] <Darkside> we had some technical problems at the start
[12:44] <Darkside> as the projector was buggy
[12:44] <daveake> link no worky
[12:44] <daveake> "could not connect"
[12:44] <Darkside> oh
[12:44] <Darkside> that might be internal only
[12:44] <Darkside> my bad
[12:44] <daveake> s'ok
[12:44] <Darkside> they'll be available online soonish
[12:51] <cuddykid> bbl
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[13:11] <NickB1> Darkside, nice presentation
[13:12] <NickB1> what do you use as offline mapping system?
[13:12] <Darkside> better when we talk about it
[13:12] <Darkside> ooh i have a screenshot of that :P
[13:12] <Darkside> hold on
[13:13] <Darkside> oziexplorer + hacks
[13:13] <Darkside> http://i.imgur.com/NCXyS.jpg
[13:13] <Darkside> java application that gets data from dl-fldigi and plots it in oziexplorer
[13:13] <Darkside> which is a really nice mapping program
[13:13] <Darkside> sadly the whole thing is windows only
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[13:14] <Upu> looks good to me
[13:14] <NickB1> looks very good!
[13:14] <Darkside> we needed it today
[13:14] <NickB1> open source hack :) ?
[13:14] <Darkside> we had full telstra coverage, but couldnt get any data throughput
[13:15] <Laurenceb> i hope you didnt show that at linux conference
[13:15] <Darkside> we joked about it
[13:15] <Laurenceb> they'd kill you
[13:15] <Darkside> said we weren't talking about it as it runs in windows
[13:15] <Darkside> Laurenceb: our presentation laptop didnt work (projector bugs)
[13:15] <Darkside> the backup laptop they gave us ran WINDOWS 7
[13:15] <Darkside> i mean seriously
[13:15] <Laurenceb> haha
[13:15] <Darkside> the backup presentation laptop at LINUXCONF ran WINDOWS 7
[13:16] <Darkside> im gonna mirror our talk on my server
[13:16] <Darkside> so you guys can download it
[13:18] <Darkside> http://rfhead.net/data/Tux_in_Space_High_altitude_ballooning.ogv
[13:18] <Darkside> 180mb or so
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[13:39] <NickB1> Darkside, could you tell me more about the offline mapping system?
[13:39] <NickB1> 3G coverage is not that great in Belgium :)
[13:50] <UpuWork> there is a few systems in build, I think fsphil is working on one too
[13:51] <daveake> Yeah, I saw him mention it a while back. Would be very handy - even when you do get a signal on the road, the map can be a bit slow.
[13:53] <daveake> I'm having a look at MapWindow GIS to see how easy that would be to get running
[13:56] <daveake> Well that's a good start. Their own program crashes on opening.
[14:01] <fsphil> habhound, it's still very limited but worked a treat last time I tried it mobile
[14:01] <fsphil> much faster than spacenear
[14:01] <fsphil> it's not offline though
[14:03] <fsphil> unless you run a local copy of habitat
[14:03] <daveake> Could you make it sniff from dl-fldigi locally?
[14:04] <daveake> I did that for my DF program and it was easy enough
[14:05] <fsphil> totally, although it will still need to download the maps if theyhaven't been pre-fetched already
[14:06] <fsphil> I need to make a UI for that -- hoping I can have it as simple as dragging a box over the area to fetch
[14:06] <daveake> ok... so next question, how to pre-fetch? Select an area then click download?
[14:06] <daveake> ok you got there first :)
[14:08] <daveake> What mapping software and what maps are you using?
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[14:09] <fsphil> the map is osm-gps-map, uses open street maps by default but it can use others too
[14:09] <daveake> ta
[14:10] <fsphil> it can use regular google map atm, but that might not last
[14:10] <cuddykid> ping Upu / UpuWork
[14:11] <UpuWork> pong
[14:11] <cuddykid> hiya - quick quesoin
[14:11] <cuddykid> what surface mount chip did you use on your pico hab board?
[14:11] <UpuWork> ATMega328
[14:11] <UpuWork> want the exact part ?
[14:11] <cuddykid> which variety?
[14:12] <cuddykid> yeah if poss, thanks :)
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[14:12] <UpuWork> give me a few mins pls
[14:12] <cuddykid> no probs
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[14:25] <daveake> fsphil I see that osm-gsm-map does run under Windows, but with a list of dependencies as long as my arm :/
[14:25] <NigelMoby> lol
[14:26] <NigelMoby> stick to Linux
[14:27] <daveake> Yeah, I might sacrifice a Windows PC to do that :-). Currently running Ubuntu on all the servers only.
[14:27] <NigelMoby> its quite handy to have a Linux desktop running nowadays
[14:27] <daveake> Maybe an old laptop
[14:28] <daveake> I'll see what I can find :)
[14:29] <daveake> I need Windows for work, but I bought myself a new laptop and new desktop just before Xmas. When I'm happy everything is installed on those then I could put Linux on one or both of the old ones
[14:30] <daveake> Not really done anything with Linux aside from as servers, with no GUI
[14:35] <fsphil> daveake, I got all but one dependency compiled for win32. can't remember which one now
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[14:48] <daveake> Thanks. IME getting Linux stuff running under Windows is often more effort than it's worth
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[14:49] <daveake> I've been running the Cloud3 payload for 24 hours now, using the batteries that came back from Buzz2. They should have stopped working ages ago but they're reading 6.2V so plenty of life left!
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[15:07] <SpeedEvil> :)
[15:07] <NickB1> daveake, very efficient payload
[15:07] <daveake> :-). Or I got the maths wrong :)
[15:08] <NickB1> thats a total of under 100mA ?
[15:08] <daveake> Comfortably under, yes
[15:09] <daveake> Buzz uses a Lassen IQ which is pretty frugal
[15:09] <daveake> Cloud3 has an fsa03. Haven't measured the current on that yet.
[15:10] <daveake> (have now) around 70mA
[15:10] <NickB1> might also be the arduino pro ?
[15:11] <NickB1> my arduino mega pulls 80mA :)
[15:11] <daveake> Yeah, that's pretty good.
[15:11] <daveake> !!
[15:12] <NickB1> only the mega
[15:12] <NickB1> total setup about 190 :(
[15:12] <daveake> "pretty good" was for the mini pro. "!!" was for the 80mA :)
[15:13] <daveake> cloud3 is ~70mA (it bounces a bit, that's an average) for Mini Pro, NTX2 and fsa03. Need to add the DS18B20's to that, but those are in the real payload right now and I'm measuring the spare one on my desk
[15:16] <daveake> Another neat thing about the mini pro (well, the 3V3 version) is that the regulator has a very low drop-out voltage. As a test I ran Buzz off 3 AAAs and the whole thing didn't stop till the battery voltage got down below 3.1V
[15:17] <SpeedEvil> You do have a moderate pre-reg cap?
[15:17] <SpeedEvil> actually, that will help less with 'real' sized batteries.
[15:17] <NickB1> yeah the mega I use is still 5V so 6V supply is the bare minimum
[15:18] <daveake> I've not added cap, no. Dunno what the mini pro has on it (haven't looked)
[15:20] <NickB1> it has 10uF before the reg
[15:22] <daveake> Ooh, I see that Google Maps on the Android now has a function to pre-fetch maps and store on the phone.
[15:23] <daveake> So assuming the payload is going to land somewhere near the expected location, you can load mapping for that area before you set off, in case of no 3G coverage
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[15:33] <number10> daveake I was looking back to ealier convo - I think having pauses inbetween payload sentences is good if you need to retune receiver
[15:34] <daveake> Yeeah, I'm going to have a play. I think I've seen it fail to see the start of a sentence after retuning.
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[15:36] <number10> I have also, but I have also needed to reboot fldigi one or twice as it would not decode
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[15:47] <fsphil> if you do have gaps I'd suggest transmitting a few 0x00 characters before the string starts, just to let fldigi figure out the signal is back
[15:47] <daveake> Yeah, that was discussed earlier and I'll try that
[15:49] <daveake> while you're here :), can you remind me what the magic incantation was to get the latest position of a payload online?
[15:49] <daveake> I did save it when you tol me before, but I'm not sure where :/
[15:54] <cuddykid> calling eagle experts! :P - the "vcc" symbol on eagle - is that 5V or 3.3V - if it doesn't matter, how do you alter it between 5V and 3.3V? As some of the sensors etc require 5V and some require 3.3V
[15:57] <number10> I would be interested in that too fsphil - would like to somehow use multimap as tracker
[15:59] <fsphil> hmm
[16:01] <fsphil> I've got the url for reading changes as they happen
[16:01] <daveake> That's the one
[16:01] <fsphil> not sure I've got one that can read the last parsed position for a single payload
[16:02] <daveake> Ah, OK, understood. Would be good though. My DF program relies on the chase car seeing the pyload, but sometimes it won't but I could get the data online instead
[16:03] <fsphil> http://habitat.habhub.org/habitat/_changes?feed=continuous&since=793144&heartbeat=5000&include_docs=true
[16:03] <fsphil> this is what habhound would use - it keeps the connection opened and any changes are received straight away
[16:03] <fsphil> or a blank line every 5 seconds just to keep the connection alive
[16:04] <daveake> The "since=nnnn" bit ... that stops it picking up very old data>
[16:04] <daveake> ?
[16:04] <fsphil> I've filled in the since=? number so that the last 100 changes are returned
[16:04] <fsphil> yea
[16:04] <daveake> ta
[16:04] <fsphil> since=0 would return everything :)
[16:04] <daveake> not good
[16:04] <fsphil> you can get the current change number from: http://habitat.habhub.org/habitat/
[16:04] <fsphil> "update_seq":793244
[16:04] <daveake> you're answering questions just before I type them :)
[16:05] <fsphil> why yes I would like a free holiday
[16:05] <daveake> what would you like in exchange for £1m?
[16:06] <fsphil> drat! my evil plan was foiled by cunning
[16:06] <daveake> :)
[16:06] <daveake> I remember the Two Ronnies "Mastermind" sketch :D
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[17:17] <daveake> cloud3 is doing an impersonation of HAL (as in, Daidy Daisy ...). I've let the batteries run down, and at 3.34V the rtty is decoding less and less. GPS still running, impressively.
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[17:25] <eroomde> daveake: is there some kind of regulator onboard?
[17:26] <daveake> Yes, and quite a good one. Very low dropout
[17:26] <daveake> Linera btw
[17:26] <daveake> Linear even
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[17:30] <daveake> http://www.micrel.com/_PDF/mic5205.pdf
[17:30] <daveake> Dropout 165mV @ 150mA (which should be plenty enough current)
[17:32] <daveake> So I connect battery to the Arduino, and take 3V3 from it for the GPS. Also this time I connected the NTX2 to the regulated output (neater wiring) but that will run direct from the battery.
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[17:57] <daveake> Blimey, a complete sentence at 3.16V. GPS has crapped out though!
[18:00] <daveake> As have the temp sensors, which appear to have claimed an internal temp of -107 and external of +112. Neither of which are (fortunately) correct
[18:00] <cuddykid> lol daveake
[18:00] <cuddykid> time to solder up my new voltage/current sensor - it's tiny :S
[18:01] <daveake> Is this for measuring the solar cell o/p?
[18:01] <cuddykid> does anyone know what would be meant by "The sensed current path is from In+ to Out+ - I'm guessing it means connect up +ve and gnd respectively?
[18:01] <cuddykid> daveake: yeah :)
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[18:02] <daveake> That doesn't sound right, no. IFor current measuring it goes between your supply and the load
[18:03] <daveake> i.e. Supply+ve --> In+, Out+ --> Load V+. Load 0V --> Supply 0V
[18:03] <cuddykid> daveake: ahh right gotya thanks!
[18:04] <cuddykid> I'll just stick a resistor as my load
[18:04] <daveake> Otherwise you may release the magic smoke
[18:05] <cuddykid> eek, I've inhaled enough magic smoke over the past few weeks lol
[18:07] <cuddykid> bbl - off to solder
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[18:16] Nick change: Caleb_ -> rc1
[18:16] <rc1> hi. Anyone from Austin, TX?
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[18:41] <cuddykid> back - don't think I've ever soldered anything as small ever :)
[18:41] <cuddykid> was fun trying to strip wire with kitchen sicissors
[18:42] <daveake> Get yourself some Knipex wire cutters
[18:42] <cuddykid> daveake: I have some but left them back at uni - along with my good wire lol
[18:42] <daveake> :)
[18:44] <cuddykid> time to hook it up to arduino and see if it works :P
[18:44] <cuddykid> ooo - I can use my new serial terminal display too :D
[18:49] <cuddykid> Display is awesome :D
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[18:55] <cuddykid> hmm 0.00 volts, 0.00 amps *scratches head*
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[19:10] <Lunar_Lander> hello everyone
[19:10] <Lunar_Lander> last night, a guy called "Tom25" was here and asked for info about GPS integration
[19:11] <Lunar_Lander> he didn't appear here this afternoon, as I get from zeusbot?
[19:19] <number10> I did not see him either, but zeusbot is a lot smarter and more reliable than I am
[19:19] <Lunar_Lander> yea
[19:19] <Lunar_Lander> thing is I suggested him to come back this afternoon as no one else seemed to be active late last night when he asked for GPS code
[19:20] <cuddykid> I think I've got it working
[19:20] <Lunar_Lander> cool
[19:21] <Lunar_Lander> what GPS do you have?
[19:21] <Jessica_1ily> hey Lunar_Lander
[19:21] <Jessica_1ily> :)
[19:22] <Lunar_Lander> hey Jessica_1ily how are you? :)
[19:23] <Jessica_1ily> good thanks, you?
[19:23] <Lunar_Lander> me too, thanks
[19:23] <Lunar_Lander> what are you up to?
[19:23] <cuddykid> oops - daveake: I just released a lot of magic smoke :S
[19:25] <Lunar_Lander> hey daveake
[19:25] <Lunar_Lander> I watched Andrew's film on Cloud 1
[19:25] <daveake> oh yes
[19:25] <daveake> cuddykid - as I feared :/
[19:25] <cuddykid> lol
[19:25] <Lunar_Lander> but it ended after part 3!
[19:26] <daveake> LL - what did you think? I was really pleased with what he did
[19:26] <Lunar_Lander> it was cool so far :)
[19:26] <daveake> He re-uploaded part 4 last night
[19:26] <daveake> Try again
[19:26] <daveake> Part 5 due this weekend
[19:26] <cuddykid> daveake: wired it up your way and read 0v 0amps - think I've worked out how it should be wired
[19:27] <daveake> If it's 0V0amps it needs more than just 2 wires
[19:27] <cuddykid> yeah
[19:27] <cuddykid> now got it like....
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[19:28] <cuddykid> +v & gnd -> +in & end rail -------- +out & gnd rail -> either end of a resistor
[19:30] <cuddykid> ergh, still nothing with solar panel
[19:30] <Lunar_Lander> daveake: can see part IV
[19:30] <Lunar_Lander> can it be that he reuploaded Part III?
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[19:46] <cuddykid> sending off for permission :D
[19:46] <cuddykid> give David plenty of notice
[19:47] <fsphil> a wise decision
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[20:04] <Lunar_Lander> well
[20:04] <Lunar_Lander> GPS testing delayed to next week
[20:05] <Lunar_Lander> i brought the laptop back to university to have them install the FTDI drivers and they don't know the admin password either
[20:10] <cuddykid> hmm - I have a lot to do in a month - a *lot* of debugging too :P
[20:12] <Lunar_Lander> yea
[20:12] <Lunar_Lander> :)
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[20:13] <NickB1> cuddykid, when are you launching ?
[20:13] <Lunar_Lander> wb daveake_
[20:13] <cuddykid> asked for last weekend in feb and 1st 2 weekends in march :)
[20:14] <cuddykid> I need to get some deadlines etc to get some traction :P
[20:14] <NickB1> oh ok
[20:14] <cuddykid> Want to launch 3rd in Sumemer
[20:14] <NickB1> was planning to ask for the same weekends :)
[20:15] <cuddykid> :D
[20:16] <cuddykid> more than likely the winds will be against me though :(
[20:16] <NickB1> yeah very windy season
[20:16] <NickB1> you are from the uk?
[20:17] <cuddykid> yup
[20:17] <cuddykid> plus I really need it to go more west than east - which at this time of the year is unlikely
[20:17] <cuddykid> east of me is controlled airspace
[20:18] <NickB1> lets hope for the best
[20:18] <NickB1> all predictions this week are +200km in distance :)
[20:19] <cuddykid> yeah - lol
[20:20] <Lunar_Lander> xD
[20:20] <Lunar_Lander> not good
[20:20] <fsphil> the winds have been awful this entire winter
[20:20] <Laurenceb_> cuddykid: launching a glider?
[20:21] <NickB1> going to apply for last weekend of February and first of March
[20:21] <NickB1> we'll work something out :)
[20:21] <cuddykid> Laurencb_:nah that's way off yet :P
[20:21] <Laurenceb_> ok
[20:21] <cuddykid> will be another good many weeks before APM2 arrives
[20:21] <Lunar_Lander> daveake_: do you read me?
[20:22] <daveake_> I'm here. Just eating
[20:22] <Lunar_Lander> ah
[20:22] <Lunar_Lander> good appetite
[20:22] <Lunar_Lander> :)
[20:22] <Lunar_Lander> I am catching up btw
[20:22] <Lunar_Lander> since December I got an IBM ThinkCentre along with my main PC
[20:22] Action: fsphil is watching tron legacy
[20:22] <Lunar_Lander> so I got two PCs and two screens on my desk
[20:23] <Lunar_Lander> :P
[20:23] <Lunar_Lander> fsphil: is it good?
[20:23] <fsphil> it is
[20:23] <Lunar_Lander> cool
[20:23] <Lunar_Lander> I am thinking if I should watch Die Hard 4.0 later or start with the first movie of the series
[20:23] <daveake_> 2 screens? I think I might upload a photo of my desk ... :p
[20:24] <BrainDamage> start with the first
[20:24] <fsphil> I finally got my gfx card installed, got the big TV and the monitor running from the computer
[20:25] <Lunar_Lander> daveake_: yeah I know from the movie that you got three coupled screens :)
[20:25] <daveake_> That was then ....
[20:26] <fsphil> hmm... I could probably wire up a third monitor too, be neat if I could use a second keyboard and mouse there -- a second terminal
[20:28] <Lunar_Lander> yes
[20:29] <Lunar_Lander> btw daveake_ when I watched part 3 from my bed (about 2.5 m from the screen), I thought that the car drive was quite fast
[20:29] <Lunar_Lander> what is the speed limit on country roads there?
[20:29] <daveake_> That's Mrs Dave again ....
[20:29] <Lunar_Lander> ah
[20:29] <daveake_> 60mph which is 90-100kph
[20:29] <Lunar_Lander> ah
[20:30] <Lunar_Lander> yea we got that too, but many roads are limited to 70 kph
[20:31] <x-f> those roads seemed very narrow
[20:31] <cuddykid> new blog post - http://habexperiments.wordpress.com/
[20:32] <x-f> i guess it's not a good idea to take a bike ride there
[20:32] <fsphil> oooh what video?
[20:33] <Lunar_Lander> yay HABE is back!
[20:33] <x-f> fsphil, Dave's Cloud1 launch, part 3
[20:33] <Lunar_Lander> remember my spacenear.us intro video?
[20:33] <Lunar_Lander> that was made the day HABE-1 flew :)
[20:33] <Laurenceb_> http://www.sparkfun.com/products/10998
[20:33] <Laurenceb_> looks kind of nice
[20:34] <Lunar_Lander> yeah
[20:34] <cuddykid> Lunar_Lander: yeah! that was great :D
[20:34] <Lunar_Lander> they have done that for almost all Arduinos now Laurenceb_
[20:34] <Lunar_Lander> :) cuddykid
[20:35] <cuddykid> hopefully the camera will work this time :)
[20:35] <Lunar_Lander> oh yeah
[20:35] <Lunar_Lander> I forgot that almost
[20:35] <cuddykid> 1st flight was great apart from that
[20:35] <Lunar_Lander> the SD was empty, right?
[20:35] <Laurenceb_> yeah but its hardware usb
[20:35] <Lunar_Lander> ah
[20:35] <cuddykid> Lunar_Lander: yeah, because of a last min code change - I was 1ms out it working!
[20:35] <Lunar_Lander> yea
[20:36] <Lunar_Lander> wasn't it something with 99999 or so?
[20:36] <cuddykid> yeah 999 999
[20:36] <cuddykid> limit was that
[20:36] <cuddykid> and mine was 1 000 000
[20:37] <cuddykid> miliseconds
[20:37] <Lunar_Lander> oh
[20:37] <Lunar_Lander> yes
[20:37] <cuddykid> annoying :P
[20:37] <daveake_> I remember that ... it was a few days before my first launch and I remember thinking "Don't make that mistake!". So I made a different one instead :p
[20:38] <fsphil> lol
[20:38] <fsphil> it's so easily done
[20:38] <cuddykid> yeah, I just went for a nice round number haha
[20:39] <Lunar_Lander> where exactly was that mistake?
[20:39] <Lunar_Lander> in the canon thing?
[20:39] <cuddykid> worryingly though I'm trying more fancy stuff with CHDK this time :S
[20:39] <Laurenceb_> http://uk.farnell.com/digi-international/xbp08-dpuit-024/mod-xbeepro-868mhz-u-fl-connx/dp/1706337
[20:39] <Laurenceb_> thats actually quite nice
[20:39] <cuddykid> Lunar_Lander: yeah, after start up routine
[20:39] <Lunar_Lander> ah
[20:39] <Laurenceb_> but 868mhz
[20:39] <Laurenceb_> and expensive
[20:39] <cuddykid> there was a sleep 1 000 000
[20:39] <daveake_> I accidentally stopped the script
[20:39] <SpeedEvil> fsphil: Indeed - http://en.wikipedia.org/wiki/Ariane_5_Flight_501
[20:39] <fsphil> I remember that one well SpeedEvil
[20:40] <Lunar_Lander> yea
[20:47] <Lunar_Lander> woo
[20:47] <Lunar_Lander> there is the official report as PDF at the bottom of the page!
[20:47] <Lunar_Lander> cool!
[20:50] <x-f> daveake_, i made my CHDK script beep, when it takes a picture, so i would know if i have accidentaly stopped it before releasing the payload
[20:50] <daveake_> Now that's a good idea :)
[20:51] <s-taylo> Lunar_Lander: as a MST3K fan you should appreciate this one... '3, 2, 1, commercial sign now'... http://www.youtube.com/watch?v=a3BB8SsIEtA
[20:52] <Lunar_Lander> :) yea thanks
[20:53] <Lunar_Lander> hm
[20:53] <Lunar_Lander> I think I remember this
[20:53] <Lunar_Lander> they had an ASTRA on top IIRC
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[21:04] <Lunar_Lander> daveake_: what radio do you have in the beginning of Part 4?
[21:06] <daveake_> AOR AR8000
[21:07] <Lunar_Lander> ah
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[21:07] <Lunar_Lander> because my stabo XR100 looks quite similar
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[21:19] <Lunar_Lander> hello Zuph
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[21:46] <fsphil> CME heading towards the earth, may be some aurora tomorrow night
[21:47] <Lunar_Lander> ohhh
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[22:48] <daveake_> I see that 7dayshop have got AA Energizer lithiums 16 for £14.99 delivered. Not bad.
[22:53] <Lunar_Lander> cool
[22:54] Laurenceb_ (~Laurence@host86-178-5-168.range86-178.btcentralplus.com) joined #highaltitude.
[22:55] <daveake_> They're usually the wrong side of £1 each
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[22:57] <Lunar_Lander> how do you mean?
[22:58] <daveake_> They usuallu cost more than £1 each
[22:58] <Lunar_Lander> ah
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[23:16] Action: Laurenceb_ is playing with kicad
[23:16] <Laurenceb_> seems to have improved a bit since i last used it
[23:27] <Randomskk> I've really enjoyed it recently
[23:27] <Randomskk> made up a couple of PCBs
[23:27] <Randomskk> though admittedly they haven't arrived yet so can't say for sure they work :P
[23:27] <daveake_> :)
[23:27] <Randomskk> gEDA also looks like it's got better recently, though -- might give it a try
[23:28] <daveake_> I really must get round to learning one of these packages enough to get a board designed. I've only done them by hand.
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[23:30] <Laurenceb_> i have a few issues
[23:30] <Laurenceb_> if i edit the schematic and reimport it just relicates everything
[23:31] <Laurenceb_> if i use "read netlist"
[23:31] <Randomskk> uh
[23:31] <Randomskk> you can definitely avoid that
[23:31] <Randomskk> do you reannotate the schematic?
[23:31] <Laurenceb_> no
[23:31] <Randomskk> hm
[23:31] <Laurenceb_> thats another issue
[23:31] <Laurenceb_> all my parts are C? etc
[23:31] <Randomskk> oh!
[23:31] <Laurenceb_> if i reference them as C1,2,3
[23:31] <Randomskk> that's probably why it replicates them all
[23:31] <Randomskk> there's a button
[23:31] <Randomskk> Annotation
[23:31] <Laurenceb_> it will let me have 2x C1
[23:31] <Randomskk> that annotates them for you
[23:31] <Laurenceb_> etc
[23:31] <Laurenceb_> oh
[23:32] <Laurenceb_> in the schematic editor?
[23:32] <Randomskk> yea
[23:32] <Randomskk> and it can either keep existing or reannotate the whole sheet
[23:32] <Randomskk> and then it can do it by value, x or y position
[23:32] <Randomskk> which is really nice -- it means caps with similar numbers are close together on the schematic
[23:32] <Randomskk> I usually do by y position
[23:33] <Laurenceb_> where is the annotate button?
[23:33] <Randomskk> fourth from the right, top row of icons
[23:33] <Randomskk> looks like a part with U? above it
[23:33] <Laurenceb_> oh i see it
[23:33] <Laurenceb_> cool
[23:34] <Laurenceb_> ok, one more issue i have
[23:34] <Randomskk> annotating should also solve the issue with pcb replicating parts on re-reading netlist
[23:34] <Laurenceb_> my capacitors dont have the correct symbol
[23:34] <Laurenceb_> also in Cvpcb i cant find their footprint
[23:35] <Laurenceb_> i used the converted eagle stuff
[23:35] <Randomskk> I don't know about converted eagle
[23:35] <Randomskk> it has builtin symbols for caps and builtin footprints for a range of caps and smd parts
[23:35] <Randomskk> but tbh I tend to make my own footprints, in kicad and eagle alike
[23:35] <Laurenceb_> ipc-7351-resistor
[23:35] <Laurenceb_> etc
[23:35] <Laurenceb_> but it doesnt appear in Cvpcb
[23:35] <Laurenceb_> yeah
[23:35] <Randomskk> you may need to go Preferences / Library and add it
[23:35] <BrainDamage> footprints go to diff folders
[23:35] <Laurenceb_> ah
[23:35] <Laurenceb_> i guess i need to set that up
[23:36] <Randomskk> footprints and schematic symbols are separate
[23:36] <Randomskk> either make sure the foorprint attribute is set to a real footprint in your schematic, or use the other tool to allocate them
[23:36] <BrainDamage> footprints belong to modules folder
[23:36] <Laurenceb_> im guessing im using screwing converted schematic symbols
[23:36] <BrainDamage> schematic symbols belong to library
[23:36] <Randomskk> there's another button that gives you a parts list and for each part you pick the footprint it should use
[23:36] <Laurenceb_> thats why the caps have wrong symbol
[23:36] <Laurenceb_> yeah
[23:37] <Randomskk> just use the normal caps
[23:37] <Randomskk> under DEVICES I think
[23:37] <Randomskk> C and CP and CP1
[23:37] <Laurenceb_> ok...
[23:37] <Laurenceb_> now when i go the Cvpcb it has C?, R? etc
[23:38] <Laurenceb_> tho the parts are annotated correctly
[23:38] <Randomskk> you'll need to re-read the netlist, and select "by timestamp" before you do (one of the two radio buttons, the other is by reference)
[23:39] <Laurenceb_> in Cvpcb?
[23:40] <Laurenceb_> i cant see the correct names in Cvpcb
[23:40] <Laurenceb_> delete the .net?
[23:41] <Randomskk> I mean, cvpcb will have to re-read the netlist
[23:41] <Randomskk> to get the recently annotated names in the schematic editor
[23:42] <Randomskk> but when you do that, if you tick "by timestamp" instead of "by reference", it should keep the right parts, just give them their new names
[23:42] <Laurenceb_> oh got it
[23:42] <Laurenceb_> i need to run netlist gen
[23:42] <Laurenceb_> i see
[23:42] <Randomskk> oh, yea.
[23:42] <Laurenceb_> 3D view crashes it, but i think thats a library issue
[23:43] <Randomskk> oh :/ mine works fine and it's really quite neat if you can be bothered to make 3d parts for stuff
[23:43] <Randomskk> simple components are pretty easy to do
[23:43] <Laurenceb_> ipc-7351-resistor module missing
[23:43] <Laurenceb_> etc etc
[23:43] <Laurenceb_> where do i set the path to those?
[23:44] <Randomskk> preferences->library
[23:44] <Randomskk> click the first Add
[23:44] <Randomskk> find the module library that contains it
[23:44] <Randomskk> if you have it
[23:46] <Laurenceb_> arg
[23:46] <Laurenceb_> it hung
[23:47] <Laurenceb_> now i cant find the process
[23:47] <Laurenceb_> its spawned pcbnew
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[23:48] <Laurenceb_> nvm found it
[23:49] <Randomskk> ah, sorry, I think I was getting confused between cvpcb and pcbnew and assuming you were in pcbnew
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[00:00] --- Sat Jan 21 2012