highaltitude.log.20060403

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[20:54] <Professor> g'day all
[20:54] <jcoxon> hey
[20:54] <Professor> http://www.x-division.com/~bobd/temp/pcb0.jpg http://www.x-division.com/~bobd/temp/pcb1.jpg http://www.x-division.com/~bobd/temp/pcb3.jpg
[20:54] <Professor> check those out. my first commercial circuit boards
[20:55] <Professor> just got em in today. populated one mostly but I'm watiing on parts to finish it
[20:55] <jcoxon> what they for?
[20:56] <Professor> the diagonally mounted chip is an X/Y axis accelerometer. the big chip in the middle reads it and will drive an RC servo that will control the steering of a robot that runs down the inside of a pipe w/ acoustics sensors for inspections
[20:56] <jcoxon> oooo very cool
[20:57] <Professor> the chip that is missing is an RS-232 <-> TTL transciever. hehe, I'm waiting on it to arrive in the mail
[20:57] <Professor> thought I had a few laying around
[21:00] robhouse (n=rob@cpc2-port4-6-1-cust34.cos2.cable.ntl.com) joined #highaltitude.
[21:00] <robhouse> hi all
[21:01] <jcoxon> hey robhouse
[21:01] <phatmonkey> hi!
[21:01] <robhouse> hey
[21:02] <robhouse> got my camera today
[21:02] <jcoxon> :-D
[21:02] <robhouse> gps receiver has been shipped too :D
[21:03] <jcoxon> all go then
[21:03] <robhouse> maybe
[21:03] <robhouse> I think I'm gonna test it all out in a rocket first
[21:04] <Professor> nice
[21:05] <phatmonkey> ooh, rocket
[21:05] <phatmonkey> much better than silly balloons
[21:05] <jcoxon> oi phatmonkey
[21:05] <phatmonkey> hehe
[21:05] <robhouse> I should be able to sucessfully test the phone, gps and camera to a couple kilometres in altitude
[21:05] <jcoxon> emailed the caa yet about tethered?
[21:06] <robhouse> Sent an email this afternoon, will hopefully get a replay tomorrow
[21:06] <robhouse> The rocket is gonna be a test bed, because I can retrieve it a lot easier. If everything is sucessful, I will go for a balloon.
[21:06] Action: jcoxon is very excited
[21:07] <phatmonkey> I sent an email but is was returned
[21:07] <jcoxon> oh
[21:07] <robhouse> :(
[21:08] <phatmonkey> Your message is delayed
[21:08] <phatmonkey> Message for domain dap.caa.co.uk delayed at caa.co.uk.
[21:08] <phatmonkey> Unable to deliver to domain for 6 hours.
[21:08] <phatmonkey> Will continue trying for 42 hours.
[21:08] <phatmonkey> No action is required on your part.
[21:08] <phatmonkey> Last attempt failed because:
[21:08] <phatmonkey> Can't connect to host
[21:09] <jcoxon> how odd
[21:09] <robhouse> I'll check my account in a minute and see if I got anything similar.
[21:12] Professor (i=ident_is@x-division.com) left irc: "st00f"
[21:17] <phatmonkey> maybe it was just a temporary thing
[21:28] <robhouse> yeah, I can't get access to my work email at the moment cos the vpn is being upgraded tonight :(
[21:30] <robhouse> managed to take my camera apart - its now a trail of pieces across my desk
[21:31] <phatmonkey> oh dear
[21:31] <robhouse> its a good thing :)
[21:31] <jcoxon> i'm a seasoned pro at wiring up cameras
[21:31] <phatmonkey> reminds me of a simpsons episode.... where homer tries to fix a camera with a screwdriver and a hammer
[21:31] <jcoxon> hehe
[21:32] <phatmonkey> sorry, a drill
[21:32] <robhouse> strangely enough, I watched that episode last night
[21:32] <robhouse> Anyway i'm gonna solder a couple of leads in place of the shutter button
[21:32] <jcoxon> yeah
[21:33] <phatmonkey> I'm going the lazy route I think
[21:33] <phatmonkey> if I can't trigger it via usb
[21:33] <phatmonkey> just use a servo!
[21:34] <robhouse> I was tempted to use a solenoid, but this way should be ok
[21:34] <jcoxon> spot the computer : http://www.srcf.ucam.org/~jac208/pegasus/pictures/p1010145.jpg
[21:35] <jcoxon> i wouldn't take the servo route
[21:35] <jcoxon> mechanics might freeze
[21:35] <phatmonkey> ooooh
[21:35] <phatmonkey> tiger
[21:35] <jcoxon> if its a push button just short out the swithc
[21:35] <phatmonkey> yeah
[21:35] <phatmonkey> but I don't have anythign to trigger it with!
[21:36] <jcoxon> my mini-itx board, power supply and hard driver are in the tiger and ipod box
[21:36] <phatmonkey> I would have to set up some i2c interface to do anything like that
[21:36] <jcoxon> hehe
[21:36] <phatmonkey> oh wow
[21:36] <jcoxon> no gpios on a slug?
[21:36] <phatmonkey> I love doing crazy things with mini-itxs
[21:36] <phatmonkey> nope :(
[21:36] <robhouse> cool
[21:36] <phatmonkey> eventually I'll have a PIC with a i2c interface to do all that fancy stuff
[21:36] <jcoxon> its probably seriously dodgely put together
[21:36] <phatmonkey> the slug does have an i2c interface built in
[21:36] <jcoxon> the mini-itx case
[21:36] <phatmonkey> but I've no idea how to do it
[21:36] <jcoxon> that is
[21:36] <phatmonkey> to use it rather
[21:37] <phatmonkey> not really in the mood for some kernel hacking to get it working
[21:37] <robhouse> lol
[21:38] <robhouse> jcoxon; now if only Tiger could be installed on the mini-itx board...
[21:38] <jcoxon> well
[21:38] <jcoxon> got the next best thing installed
[21:38] <robhouse> ?
[21:39] <robhouse> what distro?
[21:39] <jcoxon> syllable
[21:39] <robhouse> ahh, cool
[21:39] <phatmonkey> oh noes, I sold off one of my mini-itxs
[21:39] <phatmonkey> my other one's in my mum's computer
[21:39] <phatmonkey> oh well
[21:39] <phatmonkey> I'll use a slug with a usb video adaptor then
[21:39] <phatmonkey> hehe
[21:39] <phatmonkey> I'd like to see your gumstix do that ;)
[21:40] <jcoxon> do what?
[21:40] <phatmonkey> http://www.nslu2-linux.org/wiki/HowTo/AddVGAAdapter
[21:41] <phatmonkey> you have to admit, that's pretty good
[21:41] <robhouse> thats cool, I hadn't noticed that page on the slug wiki before
[21:42] <robhouse> A guy at work is looking at using a slug to read data from sensors built into his car, along with bluetooth and gps, to provide more accurate navigation.
[21:43] <phatmonkey> ooh, ooh, and!!
[21:43] <phatmonkey> Dear All,
[21:43] <phatmonkey> Yesterday I spotted the NSLU2 for only ?39.99 in my local Staples (Cambridge). They claim that's "?40 off"; even compared with what Froogle can find it looks like a good price.
[21:43] <phatmonkey> I just thought I'd mention it in case any readers are considering expanding their "slug cluster".
[21:43] <phatmonkey> --Phil.
[21:43] <phatmonkey> off to aylesbury staples tomorrow to have a look
[21:44] <phatmonkey> I'll grab two if they're that cheap
[21:44] <robhouse> hehe
[21:44] <phatmonkey> or more and just sell them on ebay.....
[21:44] <phatmonkey> for ?65!
[21:45] <jcoxon> :-D just booted my syllable installation in 19seconds from turning on
[21:45] <jcoxon> no if only i could sort out the code for my damn irc client
[21:49] <robhouse> thats quick!
[21:50] <robhouse> And your mini itx boards has serial ports right?
[21:50] <robhouse> Syllable powered balloon, hehe!
[21:51] <jcoxon> hehe
[21:51] <jcoxon> mini-itx is just a little to big when compared to a gumstix
[21:51] <jcoxon> which is nearly as powerful lol
[21:51] <robhouse> yeah :(
[21:52] <robhouse> hurrah for gumstix!
[21:52] <phatmonkey> hurrah for slug!
[21:52] <robhouse> lol
[21:52] <phatmonkey> I <3 my slug
[21:52] <jcoxon> i know
[21:52] <phatmonkey> hehehe
[21:52] <jcoxon> network a slug to a gumstix
[21:52] <jcoxon> netstix + gumstix
[21:52] <jcoxon> and then a slug
[21:53] <phatmonkey> first high altitude cluster?
[21:53] <jcoxon> but then you'd also get a working i2c
[21:53] <jcoxon> extra serial ports
[21:53] <jcoxon> compact flash slot potentially
[21:53] <jcoxon> 20 gpios
[21:53] <phatmonkey> have a little server farm of gumstix to process jpegs
[21:53] <phatmonkey> hmmmm...
[21:53] <jcoxon> and then the slug would bring usb
[21:54] <phatmonkey> but we could just use a little pic
[21:54] <jcoxon> true :-p
[21:54] <phatmonkey> which would be infinitely cheaper and draw less power
[21:54] <jcoxon> well i personally wouldn't take the slug
[21:54] <jcoxon> heh
[21:54] <phatmonkey> I know :P
[21:54] <phatmonkey> poor lil slug
[21:54] <robhouse> anythings better than my pentium 533 based single board computer. On 10 x AA batteries it lasts 10 - 15 minutes
[21:55] <robhouse> well thats with gps and a webcam, so in reality its not too bad for the size of the thing.
[21:56] <jcoxon> my gumstx does about 8 hours on 3 AAA lithiums
[21:56] <robhouse> thats really good. think I might have to invest in one after my next pay packet
[21:57] <robhouse> and a slug too...
[22:05] <jcoxon> right i'm off
[22:05] <jcoxon> speak to you all soon
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[00:00] --- Tue Apr 4 2006