highaltitude.log.20111117

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[04:44] <natrium42> Wil5on!!!!!!!!!!!!!!!
[04:45] <Wil5on> hi natrium42
[04:47] <Wil5on> i sense you are american
[05:02] <natrium42> canadian/russian
[05:02] <natrium42> how are you?
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[05:54] <Dan-K2VOL> Natrium
[05:54] <Dan-K2VOL> Alexei
[05:54] <Dan-K2VOL> Natrium42
[06:11] Nick change: SamSilver -> SamSilver_
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[06:59] <natrium42> sup Dan-K2VOL?
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[07:06] <Dan-K2VOL> hey alexei
[07:06] <Dan-K2VOL> workin on the delorme inreach as we speak
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[07:32] <earthshine> o/
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[07:42] <natrium42> Dan-K2VOL: awesome :D
[07:43] <natrium42> what did you find out?
[07:43] <Dan-K2VOL> shared google doc with you
[07:43] <natrium42> cool
[07:45] <natrium42> any test pads?
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[07:59] <natrium42> jcoxon!
[07:59] <jcoxon> morning
[07:59] <natrium42> how are youZ?
[07:59] <jcoxon> good thanks, tired though
[07:59] <jcoxon> how about you?
[08:00] <natrium42> same
[08:00] <jcoxon> good interview?
[08:00] <natrium42> yeh
[08:00] <natrium42> :)
[08:00] <jcoxon> success?
[08:01] <natrium42> yes
[08:01] <jcoxon> excellent!
[08:01] <natrium42> :D
[08:01] <jcoxon> the reason i summoned yesterday was about APRS on spacenear.us
[08:01] <jcoxon> how do we managet hat?
[08:01] <natrium42> jcoxon: btw, the aprs tool is https://github.com/akarpenko/APRS2Tracker
[08:02] <Dan-K2VOL> thanks james
[08:02] <natrium42> :)
[08:02] <jcoxon> Dan-K2VOL, there you go...
[08:02] <jcoxon> however i might fork that and make it work with habitat
[08:03] <jcoxon> just to be correct etc
[08:04] <jcoxon> Dan-K2VOL, you sure the delorme its i2c
[08:04] <jcoxon> not serial
[08:06] <jcoxon> oooo i see, so its a GPS platform, where they've customised the firmware of the GPS
[08:06] <jcoxon> with additional code to allow it to Tx
[08:06] <Dan-K2VOL> I think so
[08:06] <Dan-K2VOL> which explains why the android code is doing SO much message handling
[08:06] <jcoxon> yeah just looking at other Teseo systems with the same chips
[08:07] <Dan-K2VOL> Looks like the BT module uses serial with hardware handshake to the processor
[08:07] <jcoxon> 48 GPIOs, 4 UARTs, 2 SPIs, 2 I2Cs, 2 CANs 2.0, 1 USB 1.1,1 HDLC and 4 channels ADC
[08:07] <Dan-K2VOL> oh handy
[08:09] <jcoxon> Dan-K2VOL, so where is our entry point?
[08:09] <Dan-K2VOL> I'm uploading pics now
[08:10] <Dan-K2VOL> there's a great test connector set of pads, nicely labelled
[08:10] <Dan-K2VOL> accessible right when you take the batt bay out
[08:10] <Dan-K2VOL> which have the BT UART lines
[08:10] <Dan-K2VOL> haven't had a chance to logic record it yet
[08:10] <Dan-K2VOL> have to wait till after this flight
[08:10] <jcoxon> fair enough
[08:10] <jcoxon> do we need to actually hack it?
[08:11] <jcoxon> or will it work to our specs without
[08:11] <Dan-K2VOL> Well I'm hoping that it uses bluetooth serial, and we can just snoop the serial protocol at the board/BT module, or via BT
[08:12] <natrium42> gnite
[08:12] <jcoxon> night
[08:12] <Dan-K2VOL> night alexei
[08:12] <Dan-K2VOL> will have video on youtube tomorrow
[08:12] <natrium42> Dan-K2VOL: do you have access to a BT analyzer?
[08:12] <Dan-K2VOL> no
[08:13] <natrium42> it's $10k :S
[08:13] <natrium42> but people have been reflashing cheap bt dongles
[08:13] <natrium42> and using the sw from the commercial sniffer
[08:13] <Dan-K2VOL> oh really
[08:14] <Dan-K2VOL> is that the ubertooth?
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[08:14] <Dan-K2VOL> what's your flickr account natrium42 and jcoxon
[08:14] <natrium42> i think natrium42
[08:15] <jcoxon> jcoxon77
[08:15] <natrium42> nn
[08:17] <Dan-K2VOL> night
[08:19] <jcoxon> Dan-K2VOL, when realisitically will the next Whitestar TA attempt be?
[08:19] <Dan-K2VOL> January
[08:20] <jcoxon> okay
[08:22] <jcoxon> with HF?
[08:22] <Dan-K2VOL> probably so
[08:26] <jcoxon> great
[08:27] <jcoxon> right i better get on, lots to do
[08:27] <Dan-K2VOL> cool, ttyl James
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[09:40] <jcoxon> morning all
[09:40] <SpeedEvil> I debate that.
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[09:41] <gonzo_> morning world
[09:41] <WillDuckworth> morning - how are you getting on with that new RFM22 transmitter jcoxon?
[09:42] <jcoxon> WillDuckworth, haven't really made any progress since the conference
[09:42] <jcoxon> its doing hell pretty well
[09:42] <WillDuckworth> got myself one too - will investigate
[09:43] <jcoxon> shout if you want code
[09:43] <WillDuckworth> shout
[09:43] <WillDuckworth> :)
[09:43] <jcoxon> had a feeling you might say that
[09:43] <WillDuckworth> yeah - thought so too
[09:44] <WillDuckworth> i'm working on my next version of the rrty arduino library, might try to incorporate different transmitters (possibly)
[09:47] <jcoxon> https://github.com/jamescoxon/Misc-Projects
[09:47] <jcoxon> voila
[09:47] <jcoxon> RFM22 folder
[09:47] <jcoxon> and pico3.pde
[09:48] <UpuWork> morning
[09:48] <UpuWork> http://imagebin.org/184456 first go
[09:50] <WillDuckworth> nice UpuWork. cheers jcoxon ;)
[09:53] <gonzo_> can anyone advise on the situation with insurance on launches in the uk?
[09:53] <jcoxon> gonzo_, basically its very hard to get insurance
[09:53] <jcoxon> most fly without
[09:53] <jcoxon> the charges are not realistic
[09:53] <jcoxon> far more then even a big complicated launch
[09:54] <UpuWork> I am liasing with a broker at the moment with regards to insurance
[09:55] <Darkside> join a ham radio club
[09:55] <Darkside> heh
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[09:56] <gonzo_> I suspected similar
[09:56] <gonzo_> seen references to public liability, but they only seem to talk about what happens at an event itself.
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[09:59] <Lunar_Lander> hello
[10:00] <Darkside> http://imgur.com/a/GrXkF <-- finally finished this
[10:01] <Lunar_Lander> hi Darkside
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[10:06] <nosebleedKT> helllo luna
[10:06] <nosebleedKT> Darkside: nice!
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[10:09] <Lunar_Lander> Darkside, cool!
[10:09] <Lunar_Lander> hi juxta
[10:09] <juxta> evening Lunar_Lander
[10:09] <nosebleedKT> yo juxta, how is my kangaroos?
[10:10] <juxta> oh hi mixio/nosebleedKT :-)
[10:11] <nosebleedKT> :)
[10:11] <Lunar_Lander> still no response from Arduino team
[10:11] <Lunar_Lander> but I thought about something
[10:11] <Lunar_Lander> they might do an Arduino Kilo
[10:11] <Lunar_Lander> but that probably would be the size of Uno
[10:11] <nosebleedKT> juxta, now you have summer there?
[10:11] <Lunar_Lander> so maybe people would like
[10:11] <Lunar_Lander> Arduino GIGA
[10:11] <Lunar_Lander> :P
[10:11] <nosebleedKT> Lunar_Lander: Kilo sounds fatty
[10:12] <Lunar_Lander> yea
[10:12] <juxta> nosebleedKT, yep - it's getting warm :)
[10:12] Nick change: sodo -> tripl5
[10:13] <nosebleedKT> what an epic place you leave on. far from everywhere.
[10:13] <nosebleedKT> wonderland
[10:15] <Lunar_Lander> nosebleedKT, what do you think about Arduino GIGA?
[10:15] <nosebleedKT> where is that?
[10:15] <nosebleedKT> specs?
[10:15] <Lunar_Lander> no just an idea
[10:15] <nosebleedKT> ah
[10:15] <nosebleedKT> arduino TITAN ?
[10:15] <Lunar_Lander> should they make an even bigger board than Mega
[10:15] <Lunar_Lander> :P
[10:16] <nosebleedKT> i think it will be out of the scope of the main arduino idea
[10:17] <nosebleedKT> which is a ready platform to start education or to start examining your electronics
[10:17] <Lunar_Lander> yeah
[10:17] <Lunar_Lander> well
[10:17] <Lunar_Lander> http://digilentinc.com/Products/Detail.cfm?NavPath=2,719,895&Prod=CHIPKIT-MAX32
[10:18] <Lunar_Lander> :)
[10:18] <nosebleedKT> Microchip® PIC32MX795F512 processor
[10:18] <nosebleedKT> 80 Mhz 32-bit MIPS
[10:18] <nosebleedKT> 512K Flash, 128K RAM
[10:18] <nosebleedKT> USB 2.0 OTG controller
[10:18] <nosebleedKT> 10/100 Ethernet MAC
[10:18] <nosebleedKT> Dual CAN controllers
[10:18] <nosebleedKT> :P
[10:18] <Lunar_Lander> but I read in Elektor that it won't really work with the arduino software
[10:18] <nosebleedKT> y
[10:18] <nosebleedKT> i believe that too
[10:20] <gonzo_> agh, work does get in the way of hobbies!
[10:20] <gonzo_> insurance... the closest equiv may be the sort of cover that model flying clubs have
[10:20] <gonzo_> The RSGB in the UK do cover ardio clubs liability during a radio event, but could see them arguing the toss on whether this was a radio evenet
[10:21] <jcoxon> gonzo_, the problem is that you aren't allowed to use amateur radio
[10:21] <jcoxon> so you'll struggle to claim its a radio club thing
[10:21] <gonzo_> yep, my thoughts exactly
[10:22] <gonzo_> and we have had our claim for the decade, when we put an earth stake through a gas main
[10:22] <jcoxon> hehe
[10:23] <gonzo_> our group all work for the same company, so may aproach the mgmt for sponsorship. But expext they would insist on insurance if they are involved
[10:23] <jcoxon> yes
[10:23] <NigelMoby> got to love the I word
[10:24] <jcoxon> thats my experience of companies etc
[10:25] <gonzo_> given the speculations of fireworks causing the M5 crash recentkly, it could be a sensitive subject
[10:26] <jcoxon> yeah
[10:27] <NigelMoby> Jcoxon, no discussion since the conference on formalising ukhas ?
[10:28] <jcoxon> NigelMoby, nothing from my end
[10:31] <NigelMoby> maybe a post to the list will kickstart some productive conversation
[10:32] <WillDuckworth> defo
[10:32] <NigelMoby> hey will :)
[10:33] <Upu> well I've mentioned formalizing it with regards to getting insurance
[10:35] <NigelMoby> insurance seems to be cropping up a lot more lately.
[10:36] <UpuWork> I have a tame insurance broker working on it
[10:37] <UpuWork> he's dong a FoI request to the Met Office to get some stats together
[10:37] <gonzo_> The BMFA do cover for RC planes, so wonder if they may be worth contacting.
[10:37] <gonzo_> Ah, that sounds worth while info
[10:37] <russss> IIRC someone already asked the BMFA and they said no
[10:38] <eroomde> they might reconsider if we get our act together with data and a formalised UKHAS with a set of safety standards
[10:39] <UpuWork> I can't see a way of doing it without getting together
[10:39] <UpuWork> costs will be too much for a single person
[10:40] <NigelMoby> snap
[10:41] <Upu> he's collating information and I've told him to consider a £500 excess as that seems to be the normal cost of a balloon mishap
[10:41] <russss> I'm willing to help with formalising stuff, that is kind of my area of expertise.
[10:41] <russss> Unfortunately I couldn't make it to the conference because I was in a foreign country. Which one, I can't remember.
[10:41] <Upu> i.e broken wind screen / power line issues
[10:41] <russss> a tame insurance broker sounds useful
[10:41] <Upu> but once I have more information I'll pass it on just making enquires at the moment
[10:41] <NigelMoby> lol russs u must travel an awful lot.
[10:41] <Upu> yeah he's into his photography and loves what we do
[10:42] <russss> NigelMoby: only in the last two months, before that I hadn't been anywhere this year
[10:42] <Upu> but in his words is concerned we are going to bring down a 747 :)
[10:42] <russss> everything happened at once
[10:42] <russss> I think you could do some interesting maths on how likely it is for a balloon and a plane to intersect
[10:43] <eroomde> interesting computer science anyway
[10:43] <gonzo_> upu, well the efforts are appreciated. This sort of thing is a pretty thankful task
[10:43] <Upu> I think the odds are close to finding Elvis Prestley landing a UFO on top of the Loch Ness Monster
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[10:43] <jcoxon> what about the 747 that brings down our ballon :-(
[10:43] <eroomde> to calculate if the chance of it happening is resolvable within the precision of a double
[10:43] <gonzo_> it's governed by sods law
[10:43] <russss> eroomde: heh
[10:43] <NigelMoby> yeah our balloons have feelings to!
[10:44] <Upu> Though Rob Harrison had a good idea last night
[10:44] <eroomde> everybody duck
[10:44] <Upu> on every balloon put "property of the met office" on it
[10:44] <Upu> stick a pre pay mobile number on there
[10:44] <Upu> if you get a call saying balloon has damaged something
[10:44] <Upu> flush mobile down toilet
[10:44] <gonzo_> even long odds are a prob when it's a plane worth 10^7 and a few 100 people
[10:44] <Upu> he was joking btw
[10:45] <gonzo_> I thought the same with the /m phone number
[10:46] <gonzo_> the more probable claim is someone insisting that they must call some specialist in to get it out of their tree
[10:46] <Upu> yeah thats a sub £500 job
[10:47] <gonzo_> which would prob be in the excess on a policy anyway. Yep, point taken
[10:47] <Upu> its the payload landing on road causing a crash or something similar we need protecting against
[10:47] <gonzo_> rgr
[10:47] <eroomde> i agree - it's cars that are the worry
[10:47] <Upu> I know £500 is alot but its not going to ruin anyones life stumping it up
[10:48] <Upu> £10 million damages on the other hand will have a detrimental affect on your wallet
[10:48] <gonzo_> draped over the 132kv wires in the case of james may
[10:48] <gonzo_> a few 100k would wipe most people out and you could get that in just legal costs
[10:50] <Laurenceb> http://i.imgur.com/AIMWw.jpg
[10:50] <Upu> lost in translation ?
[10:51] <Upu> my favourite is that road sign translated into Welsh
[10:51] <Upu> the Welsh says "Sorry I'm out of the office for urgent translations contact ..."
[10:52] <hibby> haha, forgot about that sign
[10:52] <Upu> anyway work o7
[10:55] <hibby> buhbye
[10:57] <hibby> I'm being a smart alec today. I bought some coffee for the office ("Advanced Space Concepts Lab") called "Rocket Fuel". We lol'd
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[11:02] <NigelMoby> lol
[11:03] <Lunar_Lander> xD
[11:03] <Lunar_Lander> btw
[11:04] <Lunar_Lander> the guy that Lloyd's found for me said he can't insure a balloon flight
[11:04] <NigelMoby> Meh rain Sunday = no Picochu-3 :(
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[11:04] <hibby> does rain add too much weight?
[11:05] <NigelMoby> Yup, and its a bit on the windy side too :(
[11:05] <hibby> pain
[11:06] <hibby> eat less beans
[11:06] <NigelMoby> Saturday looks good but no car then, I want this payload Bk.
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[11:09] <eroomde> rain = ice = early pop
[11:09] <eroomde> in my experience
[11:09] <NigelMoby> Yup definstely.
[11:10] <hibby> fsphil: whilst pulling down these lecture notes, I noticed that my superior 0-indexed them like a true nerd
[11:10] <NigelMoby> also wind direction has changed, it'll probably splash down, or float to the north west :(
[11:10] <Lunar_Lander> yea
[11:10] <Darkside> hibby: you back at clydespace?
[11:10] <Darkside> or elsewhere
[11:11] <hibby> in at Strathclyde uni, yeah
[11:11] <hibby> UKUbe passed it's crit design review
[11:11] <Darkside> ahh ok
[11:11] <Darkside> yeah i saw that
[11:11] <Darkside> any idea how the s-band transmitter is going?
[11:11] <hibby> not a clue
[11:11] <hibby> they've fsck'd my sat station in the time I've been away, so I can't do anything
[11:11] <Darkside> lol
[11:11] <NigelMoby> darkside! that sdr looks nice, ready to be fabbed?
[11:11] <hibby> and as such until I get the funding to repair it, I'm not participating
[11:11] <hibby> it's working...
[11:12] <Darkside> NigelMoby: almost
[11:12] <Darkside> i'm making a few more changes to it
[11:12] <NigelMoby> ohhh
[11:12] <NigelMoby> what is U2 ?
[11:13] <Darkside> dual op-amp
[11:13] <Darkside> LM833
[11:13] <NigelMoby> aha
[11:14] <NigelMoby> will you fab that at uni or seeed?
[11:14] <Darkside> seeed
[11:14] <Darkside> uni can't do vias that small
[11:15] <NigelMoby> oh I see, they are kinda teeny mind.
[11:15] <Darkside> also theres vias under teh QFN chip that are 0.33mm in diameter
[11:15] <NigelMoby> :o
[11:16] <NigelMoby> have fun with the qfn bit lol
[11:16] <Darkside> yeah...
[11:16] <NigelMoby> no really easy way of doing qfn I guess?
[11:17] <Darkside> i'll be using a hot air gun..
[11:17] <NigelMoby> do u preheat the entire board first if u use air?
[11:17] <Darkside> yup
[11:18] <NigelMoby> Ahh
[11:18] <Darkside> theres a little heater that heats it up from the bottom
[11:18] <Darkside> not quite hot enough to melt the solder
[11:18] <Darkside> but close
[11:18] <NigelMoby> Yup
[11:18] <Darkside> then you use the hot air gun to heat a small section of the board past melting point
[11:18] <eroomde> why does my *terminal* intelligently parse a plaintext url and lert me click to follow it, but my web browser doesn't?
[11:18] <hibby> lol
[11:19] <eroomde> if it's not a hyperlink, it just thinks it'd dumb text and I have to manually copy paste into the url bar
[11:19] <jcoxon> cause a proper geek wrote the terminal
[11:19] <eroomde> this makes no sense
[11:19] <NigelMoby> retro browser? lol
[11:19] <eroomde> yeah sphinx i guess
[11:19] <eroomde> or lyx
[11:19] <eroomde> or lynx
[11:19] <eroomde> or whatever it is
[11:19] <eroomde> the one that isn't the gui LaTeX editor
[11:19] <NigelMoby> links?
[11:20] <hibby> lynx is the browser
[11:20] <NigelMoby> or is that dead now?
[11:20] <hibby> lyx is the gui something-like-latex editor
[11:21] <eroomde> despise
[11:21] <hibby> lol
[11:21] <Darkside> do NOT use Lyx...
[11:21] <Darkside> badbadbadbadbad
[11:21] <Darkside> also lazy
[11:21] <eroomde> never do
[11:21] <NigelMoby> lol its that bad?
[11:21] <eroomde> i am wedded to vim
[11:21] <hibby> it's alright, i'm currently spending my life shouting at MSOffice as it's not *exactly* like LaTeX...
[11:21] <eroomde> and my makefiles for my thesis were a rube-golderbergian delight
[11:22] <hibby> lol
[11:22] <eroomde> or different versions, printable version, git hooks, hyperlinked versions, line spacings etc
[11:22] <eroomde> s/or/of
[11:23] <hibby> what was your thesis on?
[11:23] <eroomde> is it wrong to say that more and more i'm liking Make?
[11:23] <hibby> phil@sanslogic.co.uk
[11:23] <eroomde> active stabilisation of a platform for a high alt balloon
[11:23] <hibby> awesome
[11:23] <hibby> aww shit
[11:23] <hibby> fuck off putty!
[11:23] <hibby> apologies for the language
[11:23] <eroomde> or 'hobble space telescope'
[11:23] <hibby> hahah
[11:24] <hibby> there we go, somethign else on clipboard now
[11:24] <hibby> (or, Pb, is the same as the) for those interested.
[11:24] <eroomde> pbcopy - the happy utility
[11:25] <hibby> nah, it's Probability b
[11:25] <hibby> the full quote says (Remember, since this is a binary modulation scheme the probability of bit error, Pb, is the same as the probability of symbol error, Pe.)
[11:27] <eroomde> right...
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[11:28] <hibby> i'm reading over the stuff I'm due to be assessing worryingly soon
[11:28] <eroomde> was onyl a couple of years ago I was doing that as an undergrad
[11:29] <eroomde> BERs for 64QAM with x fading characteristic
[11:29] <hibby> I never got a specific digital comms class, so I agreed to help with this one in exchange for (formalised) knowledge
[11:29] <eroomde> or 'I know, I'll answer a different question to this one'
[11:30] <hibby> hahah
[11:30] <hibby> lucky for the students, this is coursework only.
[11:30] <hibby> unlucky for me
[11:30] <eroomde> it's all leaked away. bit depressing
[11:30] <Darkside> http://imgur.com/a/2hask
[11:31] <eroomde> altium looks nice
[11:31] <Darkside> it does
[11:32] <eroomde> the return path for the L and G signals that cross the ground planes
[11:32] <Darkside> ground via a choke
[11:32] <eroomde> do they exist?
[11:32] <eroomde> is that what T1 is?
[11:32] <Darkside> yes
[11:32] <Darkside> its a common mode choke
[11:32] <eroomde> ah ok
[11:33] <Darkside> i do not want noise leaking into the mixer from the USB port
[11:33] <eroomde> looks perhaps a bit loopy, tis all
[11:33] <Darkside> yeah, perhaps
[11:34] <Darkside> i could move T1 up a bit
[11:34] <eroomde> yeah. or put it on the underside
[11:34] <Darkside> would rather not
[11:34] <Darkside> T1 is a bit of a weird component
[11:34] <eroomde> one single oven solder preferred?
[11:34] <Darkside> nah not so much that
[11:35] <Darkside> http://www.farnell.com/datasheets/5195.pdf
[11:35] <Darkside> thats T1
[11:35] <eroomde> looks generally like a v nice routing job though
[11:35] <eroomde> good layout and tidy traces
[11:35] <hibby> meetings, im away!
[11:35] <Darkside> little tiny ferrite core and coil
[11:36] <eroomde> yeah, used something similar for gps front end ground isolation on badger2
[11:36] <Darkside> mm
[11:39] <eroomde> so what's the main rf chip?
[11:45] <Darkside> eroomde: http://i.imgur.com/Vftak.jpg
[11:45] <eroomde> Darkside: ^
[11:45] <Darkside> LT5517
[11:45] <eroomde> oh sorry it hung
[11:45] <Darkside> quadrature mixer
[11:46] <eroomde> wow, looks likea nice device
[11:47] <Darkside> yeah
[11:48] <Darkside> if this all works well, it'll be integrated into the 3rd year rf pracs
[12:02] <gonzo_> upu, not sure if you've seen this:
[12:03] <gonzo_> http://www.telegraph.co.uk/news/uknews/7841724/Met-Office-apologises-after-weather-balloon-crashes-into-conservatory.html
[12:04] <gonzo_> seems the recorded incidents are few
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[12:21] <Lunar_Lander> well
[12:21] <Lunar_Lander> isn't that SpeedEvil'd FOIA request?
[12:24] <gonzo_> saw some text from a request, which listed all compensation paid bu meto. Most was for car accidents
[12:25] <gonzo_> looks like that was the basis of the news story
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[12:25] <gonzo_> whether the foi was from the jounalist, or just jumped on it when there was nowt else to report?
[12:27] <Lunar_Lander> I think the latter one
[12:43] <Lunar_Lander> OK when we are idling I can say
[12:43] <Lunar_Lander> Walter Lewin is COOL!
[12:43] <Lunar_Lander> xD
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[12:55] <Jessica_Lily> hey Lunar_Lander
[12:56] <Lunar_Lander> :)
[12:56] <Lunar_Lander> how's life?
[12:59] <Jessica_Lily> lifey
[12:59] <Lunar_Lander> :) same here
[13:21] <UpuWork> yeah seen that gonzo_
[13:23] <Upu> http://imagebin.org/184492
[13:23] <Upu> production line :)
[13:24] <Upu> http://imagebin.org/184493
[13:24] <Upu> keeps chopping my images up
[13:25] <Lunar_Lander> cool
[13:25] <Lunar_Lander> :)
[13:25] <Laurenceb> im almost certainly in the wrong place
[13:25] <Laurenceb> but has anyone here used EXTI on STM32?
[13:25] <Laurenceb> i cant make EXTI2 trigger off portb.2, its very odd
[13:26] Action: Upu smiles and looks blank
[13:26] <Laurenceb> maybe i fired it :S
[13:32] <number10> Upu is that a short circuit on the right hand side board - third pin from bottom left on http://imagebin.org/184493 ?
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[13:33] <Upu> nah I've checked them under a magnifying glass
[13:33] <Upu> just the light
[13:33] <number10> on the via
[13:33] <Upu> yeah its just splash i've picked it off now
[13:38] <Laurenceb> i havent tried mine - havent got a power supply setup
[13:40] <Upu> going to test these this evening
[13:41] <SpeedEvil> Lunar_Lander: I found it ages ago - it may have been the journo that made it.
[13:41] <Lunar_Lander> ah
[13:41] <Lunar_Lander> so I mixed it up
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[13:43] <Upu> so I guess with this if I just wire 3v3, GND, VBATT to groud and TXD into a FT232 I should be able to see "life" ?
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[13:48] <Laurenceb> hmm i dont see any data here
[13:49] <Darkside> i think the inrush current on the ublox module can exceed the limits of what the FT232 can supply
[13:50] <Upu> http://imagebin.org/184497 is the pin outs
[13:50] <Laurenceb> wait
[13:50] <Laurenceb> vcc_rf isnt connected
[13:50] <Laurenceb> fail
[13:50] <Upu> shit
[13:50] <Upu> on the breakout ?
[13:50] <Upu> not meant to be on passive antenna ?
[13:51] <Laurenceb> i think its for the whole frontend
[13:51] <Darkside> no
[13:51] <Upu> its connected to pin 8
[13:51] <Upu> on the pCB
[13:52] <Upu> you need to connect VBATT to GND
[13:52] <Upu> thats not done for you
[13:52] <Darkside> yea, VCC_RF needs to be connected to the RESERVED pin if its not being used
[13:52] <Darkside> and yes, the ublox will do weird things if VBATT is unconnected
[13:52] <Upu> it is
[13:53] <Darkside> yeah, i saw the trace on your board
[13:55] <jonsowman> WillDuckworth: ping
[13:55] <WillDuckworth> hi
[13:55] <WillDuckworth> did you get email?
[13:55] <jonsowman> i did
[13:56] <jonsowman> that's all fine with me :) librtty needs some work but i've not had time
[13:56] <jonsowman> if you fork my project and work on it
[13:56] <jonsowman> then i'll pull it back in once you've done it :)
[13:56] <WillDuckworth> excellent - no point reinventing stuff
[13:56] <WillDuckworth> cheers
[13:56] <jonsowman> indeed
[13:57] <jonsowman> i think it's timing issues that stop librtty working on the uno
[13:57] <WillDuckworth> ok - thanks, i've got pro mini's 3.3 & 5v, plus a duemilanove to test on
[13:58] <WillDuckworth> maybe need to get an uno too
[14:00] <jonsowman> it worked fine on a duemilanova
[14:00] <jonsowman> *e
[14:00] <jonsowman> i've been using plain avrs since then so i've done nothing with librttu
[14:00] <jonsowman> *y
[14:02] <jonsowman> WillDuckworth: mine has CRC16 checksum
[14:02] <jonsowman> so i wouldn't bother with XOR, it's a bit rubbish in comparison
[14:02] <Laurenceb> Upu: got an image of the unpopulated pcb?
[14:03] <UpuWork> if you have Eagle you can get it from http://www.github.org/upuaut
[14:03] <UpuWork> https://github.com/Upuaut/Eagle-Libraries
[14:03] <UpuWork> or can screen shot it if you wish
[14:04] <jonsowman> eagle can export pngs
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[14:05] <WillDuckworth> cheers jonsowman
[14:06] <UpuWork> yeah I can export if you need it Laurenceb
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[14:12] Nick change: number10_ -> number10
[14:14] <Darkside> lol what the hell my supervisor is awake...
[14:14] <UpuWork> 1am ?
[14:14] <Darkside> yeah
[14:14] <Darkside> almost
[14:15] <Darkside> i just got a reply from him about my SDR design
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[14:22] <Lunar_Lander> DANGER
[14:22] <Lunar_Lander> One of the worst female TV hosts in germany in this 1999 commercial
[14:22] <Lunar_Lander> https://www.youtube.com/watch?v=_el5OhVAFkQ&feature=related
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[14:40] <Lunar_Lander> btw
[14:40] <Lunar_Lander> new wallpaper: https://upload.wikimedia.org/wikipedia/commons/8/86/Tiefk%C3%BChlspinat.JPG
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[14:58] <Laurenceb> Upu: if your ublox working?
[15:02] <UpuWork> not tested mine yet
[15:02] <UpuWork> how are you getting along ?
[15:03] <Laurenceb> no data :(
[15:03] <UpuWork> odd
[15:03] <UpuWork> I'll check it when I get home if I get chance
[15:03] <UpuWork> you have tied VBATT to GND ?
[15:03] <Laurenceb> i see 3.3v on TXD
[15:04] <Laurenceb> yes
[15:04] <Upu> how are you powering it ?
[15:04] <Laurenceb> smps board running off usb
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[15:05] <Upu> might try a seperate PSU
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[15:07] <Lunar_Lander> hi Dan-K2VOL
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[15:12] <Laurenceb> ooh mosi should be gnd
[15:22] <NigelMoby> hrm
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[15:26] <NigelMoby> Laurence no data at all, or empty data fields?
[15:27] <Laurenceb> no data
[15:27] <Laurenceb> it isnt booting
[15:27] <Laurenceb> consuming about 50ua
[15:28] <NigelMoby> hmm, odd indeed
[15:28] <SpeedEvil> Gnd is actually connected?
[15:29] <NigelMoby> 50... almost sounds like its stuck in Eco mode
[15:29] <Laurenceb> micro
[15:29] <Laurenceb> not milli
[15:30] <NigelMoby> can u try.... vddusb to gnd
[15:30] <NigelMoby> oh soz lol
[15:32] <W0OTM> THIS IS NOT GOOT for our hobby http://www.11alive.com/News/Odd/213249/186/High-altitude-balloon-and-payload-missing-possibly-landed-in-Metro-Atlanta
[15:36] <Lunar_Lander> DAMN
[15:36] <Lunar_Lander> I think we can pack up now
[15:41] <NigelMoby> Laurenceb what state is CFG_COM0 in?
[15:46] <Zuph> These damn kicad issues are tempting me to switch to archlinux
[15:46] <NigelMoby> still being a pain zuph?
[15:47] <Zuph> Yeah, just with Ubuntu 11.10.
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[15:49] <NigelMoby> Eek, I may move away from ubuntu soon, not getting on with unity at all, might wait for new ver of mint.
[15:50] <hibby> be a big boy and try straight debian?
[15:50] <hibby> unless bent debian is more your thing... try testing, it's pretty up to date and still stable
[15:51] <NigelMoby> Hm not tried a vanilla den for quite a while
[15:51] <NigelMoby> deb*
[15:51] <hibby> lol
[15:51] <Zuph> How up to date is "pretty up to date"? I get frustrated with Ubuntu sometimes with up-to-datedness
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[15:52] <hibby> not-as-up-to-date-as-fedora, more-up-to-date-than-deb-stale
[15:52] <hibby> oops, I mean stable. or do i?
[15:53] <Laurenceb> wohoo works
[15:53] <Zuph> hah
[15:53] <Zuph> Maybe I'll give arch a test drive.
[15:53] <Laurenceb> had to tie pins 8 and 9 properly
[15:53] <Zuph> That sounds like a good alternative to doing work that my boss would approve of today.
[15:53] <Laurenceb> ~50ma at 3.3v, not bad
[15:54] <NigelMoby> 8 and 9 should be bridged...
[15:54] <Laurenceb> i didnt know you could use TX as a data ready indicator for i2c
[15:54] <Upu> working with no mods Laurenceb ?
[15:55] <Laurenceb> yeah but i thought it was done on the board
[15:55] <NigelMoby> Ohh
[15:55] <Laurenceb> i had to add a wire jumper
[15:55] <Upu> from what to what ?
[15:55] <NigelMoby> 8 to 9 upu
[15:55] <Upu> that is done on the board
[15:55] <Laurenceb> yeah
[15:56] <Upu> didn't work ?
[15:56] <Laurenceb> its not on mine :P
[15:56] <NigelMoby> weird, but if its a simple fix....
[15:56] <Laurenceb> or at least it didnt short them
[15:56] <Upu> hmm
[15:56] <Laurenceb> i cant see underneath
[15:56] <Upu> let me get one of these under the microscope
[15:56] <Upu> its on the eagle diagram
[15:58] <Upu> http://imagebin.org/184515
[15:58] <Upu> just going to check under microscope
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[16:01] <Upu> just check the remaining boards under 50x microscope and that is all present
[16:01] <NigelMoby> weird
[16:01] <Upu> its not very big and its got solder mask over it so its hard to see but its definitely there
[16:02] <Upu> not a tough fix you can bridge it with solder but wierd
[16:02] <Upu> afk got a meeting
[16:02] <NigelMoby> try a cont check on the 2 pads upu
[16:02] <UpuWork> when I get back sure
[16:02] <NigelMoby> Oki Ttyl :)
[16:03] <Laurenceb> i dunno
[16:04] <Laurenceb> maybe i cracked it soldering - i soldered 8 and 9 later after the ant was mounted
[16:04] <Laurenceb> so it was a little tricky to get in and i probably overheated it
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[16:14] <NigelMoby> oops SpaceX not launching till April
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[16:37] <SpeedEvil> Nothing?
[16:37] <SpeedEvil> :/
[16:37] <Lunar_Lander> cu later
[16:41] <NigelMoby> Speedevil nope, looks like nasas cutting some of they're funding to.
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[16:45] <UpuWork> I'll test from home but make the track thicker on the pcb
[16:46] <NigelMoby> upu
[16:46] <Upu> yo
[16:46] <NigelMoby> that rc filter...
[16:46] <NigelMoby> I calculated the values
[16:46] <NigelMoby> 10uf c and 248ohm r
[16:46] <Upu> TEH MATHS ?!
[16:47] <NigelMoby> I used my wonderful rc filter calculator for android :p
[16:47] Action: SpeedEvil wonders why SpaceX diddn't tweet.
[16:48] <NigelMoby> give it a khz value and it spits out c and r
[16:49] <UpuWork> ok pushed a board with slightly thicker connection
[16:51] <NigelMoby> was it 64 khz or mhz we needed?
[16:52] Action: Upu smiles and looks blank
[16:52] <NigelMoby> lol
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[17:13] <Laurenceb> http://spacefellowship.com/Forum/viewtopic.php?f=52&t=8610&sid=80bec120b4050a4f465dc6f9e0655fac&start=105
[17:14] <Laurenceb> monroe is batshit insane
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[18:10] <Lunar_Lander> back
[18:12] <jcoxon> ping fsphil
[18:18] <nosebleedKT> here is my repo for my arduino anti-theft module which i will include in the payload!
[18:18] <nosebleedKT> https://github.com/nosebleed/backup-recovery-module
[18:22] <fsphil> pong jcoxon
[18:24] <jcoxon> do you havw mattltm's mob number?
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[18:25] <fsphil> um, not sure. one sec
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[18:46] <nosebleedKT> fsphil-laptop: i liked that thing you do with the camera and gps. when its descending not to take pictures.
[18:46] <nosebleedKT> good for 2 reasons.
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[18:46] <nosebleedKT> 1. when descending it might not take good pics because of the vibrations
[18:46] <nosebleedKT> 2. save power
[18:47] <fsphil-laptop> I still kinda wish it had taken a few more
[18:47] <fsphil-laptop> say, switched it off after it got below 10k
[18:47] <nosebleedKT> at descend?
[18:47] <fsphil-laptop> yea
[18:47] <fsphil-laptop> the descent takes a long time
[18:47] <nosebleedKT> hmm
[18:47] <fsphil-laptop> enough for a couple more pictures
[18:48] <nosebleedKT> my cam has powersaving mode too
[18:49] <nosebleedKT> maybe i should turn it off when avr reports low voltage input which happens when battery is going low
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[18:49] <fsphil-laptop> probably better to use a timer
[18:49] <fsphil-laptop> or altitude in my case
[18:50] <nosebleedKT> thats a nice option too
[18:50] <nosebleedKT> but i still need the asceding/descending flag
[18:55] <Lunar_Lander> damn
[18:55] <Lunar_Lander> not even the official Arduino store has the Uno with the DIP
[18:55] <jcoxon> bbiab
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[18:56] <hibby> Lunar_Lander: can you not just get an atmega 328?
[18:56] <Lunar_Lander> well, I can
[18:56] <Lunar_Lander> the point is just that I just saw that there is an "Uno R2" now
[18:58] <hibby> still the 328 on it though
[18:58] <hibby> just get a chip and upload the firmware
[19:00] <Lunar_Lander> true
[19:00] <Lunar_Lander> yea
[19:00] <Lunar_Lander> :)
[19:00] <Lunar_Lander> dinner is done :)
[19:10] <fsphil-laptop> def. no launch this weekend for me: http://habhub.org/predict/#!/uuid=b9b95626140931bcd9afb3c48e25e6cafd92d45d
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[19:14] <Lunar_Lander> back
[19:14] <SpeedEvil> Silly inland bodies of water.
[19:14] <Lunar_Lander> yea
[19:14] <fsphil-laptop> now if I'd hurry up and buy a boat :)
[19:15] <Upu> hey Laurenceb both mine work : $GPGGA,191341.00,5345.15237,N,00149.08058,W,1,04,4.05,253.1,M,48.1,M,,*40
[19:15] <fsphil-laptop> I've always wanted a boat to try and sail across that lake
[19:15] Action: SpeedEvil ponders.
[19:15] <SpeedEvil> Does angry Birds count as high-altitude?
[19:16] <Lunar_Lander> fsphil-laptop, take a car like the Top Gear guys
[19:16] <Lunar_Lander> xD
[19:16] <fsphil-laptop> only if you play it >30km
[19:16] <fsphil-laptop> Lunar_Lander, not sure the locals would appreciate that :)
[19:16] <Lunar_Lander> xD
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[19:35] <Lunar_Lander> fsphil-laptop, did you see the Marauder on Top Gear?
[19:46] <priyesh> can anyone recommend a humidity sensor?
[19:47] <Lunar_Lander> like HIH-3040?
[19:48] <Lunar_Lander> 403
[19:48] <Lunar_Lander> 4030
[19:48] <Lunar_Lander> https://www.sparkfun.com/products/9569
[19:49] <priyesh> has it been used before?
[19:50] <Lunar_Lander> not yet
[19:50] <Lunar_Lander> but nosebleedKT and I plan to
[19:52] <SpeedEvil> Lunar_Lander: most fun
[19:53] <Lunar_Lander> is it difficult to use?
[19:53] <SpeedEvil> I meant the marauder.
[19:53] <Lunar_Lander> ah
[19:53] <Lunar_Lander> yeah that was great xD
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[22:04] <Laurenceb_> epic
[22:05] <Laurenceb_> ST have an STM32 example datalogger using uSD with USB mass storage
[22:06] <Laurenceb_> http://www.st.com/internet/com/SOFTWARE_RESOURCES/SW_COMPONENT/FIRMWARE/stm32_f105-07_f2xx_usb-host-device_lib.zip
[22:08] <Lunar_Lander> sounds cool
[22:11] <Laurenceb_> their SD code doesnt use DMA
[22:11] <Laurenceb_> is could be hacked to use the FatFS code
[22:11] <Lunar_Lander> is that good?
[22:11] <Laurenceb_> theres spi interface code as part of FatFS that uses DMA
[22:12] <Laurenceb_> so itd be faster on anything with multiple tasks/lots of interrupts
[22:12] <Laurenceb_> just discovered how much code there is on the ST site - really useful
[22:12] <Lunar_Lander> sounds good
[22:12] <Zuph> And all terribly written/documented :(
[22:13] <Laurenceb_> heh
[22:13] <Lunar_Lander> XD I like this one
[22:13] <Lunar_Lander> https://www.youtube.com/watch?v=8bygOaphU4o&feature=related
[22:13] <Lunar_Lander> damn
[22:13] <Lunar_Lander> no
[22:13] <Lunar_Lander> http://www.sparkfun.com/index/index the top article
[22:13] <Laurenceb_> Zuph: its not that bad
[22:14] <Zuph> Laurenceb_: The bits I've seen are pretty obtuse, or completely rely on proprietary IDE linker scripts.
[22:14] <Laurenceb_> documentation yes
[22:14] <Laurenceb_> i prefer it to raw registers
[22:15] <Zuph> heh, me too
[22:15] <Laurenceb_> im using it with codesourcery gcc and lanchon linker scripts
[22:15] <Zuph> The TI Stellaris libraries are a *dream* in comparison.
[22:16] <Laurenceb_> ok
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[22:41] <Upu> Darkside you awake ?
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[22:43] <Upu> don't worry Darkside when you wake up its nothing
[22:43] <Upu> night
[22:45] <Lunar_Lander> hey Upu RocketBoy
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[23:26] <Laurenceb_> http://uk.farnell.com/stmicroelectronics/stm32f4discovery/board-eval-stm32f4-discovery/dp/2009276
[23:26] <Laurenceb_> price drop XD
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[23:29] Action: SpeedEvil waits for À.
[23:30] <Laurenceb_> http://uk.farnell.com/stmicroelectronics/stm32f405rgt6/ic-mcu-32bit-1mb-flash-64lqfp/dp/2064363
[23:30] <Laurenceb_> lol that costs more
[23:34] <Laurenceb_> http://dl.dropbox.com/u/34019941/images/2011/20111020/20111020_006.jpg
[23:34] <Laurenceb_> hoootttt
[23:35] <Laurenceb_> http://nemuisan.blog.bai.ne.jp/
[23:36] <Laurenceb_> worlds most overcomplex hentai viewer http://dl.dropbox.com/u/34019941/images/2011/20111016/20111016_001.jpg
[23:37] <SpeedEvil> :)
[23:41] <Laurenceb_> apparently the example code is on the ST site - works with seeedstudio lcd
[23:42] <Laurenceb_> of course it should be done with X windows and uclinux
[23:47] <SpeedEvil> That is a _huge_ add-on.
[23:47] <SpeedEvil> Iwish that there was some slightly more pipelined RAM available
[23:48] <SpeedEvil> With multiplexed address and data pins.
[23:48] <SpeedEvil> So you could do it with 20 pins, not 50
[23:48] <SpeedEvil> Which would enable cheap stuff to have less pins.
[23:51] Action: Laurenceb_ zzz
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[00:00] --- Fri Nov 18 2011