highaltitude.log.20150604

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[00:29] <fxmulder> I think after this long that would be considered rising from the dead as opposed to waking up
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[01:02] <_charlie> wish there was at least a photo of the payload :/
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[02:35] <SpacenearUS> New position from 03SP3OSJ after 034 days silence - 12http://tracker.habhub.org/#!qm=All&q=SP3OSJ
[02:38] Nick change: heathkid|2 -> heathkid
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[02:49] <SpacenearUS> New position from 03SP3OSJ-12 after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=SP3OSJ-12
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[03:11] <SpacenearUS> New vehicle on the map: 03Vk7hdx-9_chase - 12http://tracker.habhub.org/#!qm=All&q=Vk7hdx-9_chase
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[03:47] <SpacenearUS> New vehicle on the map: 03DC2EH-11 - 12http://tracker.habhub.org/#!qm=All&q=DC2EH-11
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[04:43] <Vaizki> congrats to Andy for circumnavigation.. again.. :)
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[07:03] <FuzzyLemon> Hi everyone! Are the vertical and horizontal speeds displayed on the habhub tracker during flight saved anywhere?
[07:09] <lz1dev> no
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[08:13] <ggs> hi
[08:14] <daveake> hi
[08:16] Nick change: fl_0 -> fl_0|afk
[08:16] <ggs> has anyone here set the frequency of the frequency agile NTX2 using a non-Arduino device? (Raspberry pi or a desktop)?
[08:16] <daveake> yes
[08:17] <eroomde> why would it be any different using a non-arduino device?
[08:17] <ggs> well, I was not sure if the commands have to be sent any differently
[08:17] <daveake> It's just serial data
[08:17] <ggs> I have already destroyed one NTX2 by messing up the soldering and I want to be careful with this one
[08:18] <daveake> Well you're unlikely to kill it with serial commands
[08:18] <ggs> makes sense
[08:18] <daveake> So long as you can send serial data without long gaps between characters, it should work
[08:18] <daveake> "long" being 5ms for the MTX2; dunno about the NTX2B
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[08:35] <ggs> since I am a noob in electronics, I want to be sure of what I am doing :)
[08:35] <ggs> I am wondering if I can set the frequency using Raspberry pi
[08:36] <ggs> can I use the TX GPIO pin to send these commands?
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[08:36] <ggs> or can I use some PL2303 serial USB adapter to send these commands to the NTX2?
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[08:38] <eroomde> yes to both probably
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[08:40] <ggs> since there is no confirmation coming back from the NTX2, it is difficult to figure out if it worked or not
[08:41] <eroomde> well if the frequnecy changes then you're good :)
[08:41] <ggs> I know that the PL2303 is 3.3 V logic levels
[08:41] <ggs> and Arduino is normally 5V?
[08:41] <ggs> so this is why I am wondering if I can really achieve this using Raspi
[08:43] <fsphil> the pi's uart is also 3.3v
[08:43] <ggs> yes
[08:44] <ggs> but the example code given uses Arduino which has 5v?
[08:44] <eroomde> http://www.radiometrix.com/files/additional/ntx2bnrx2b_0.pdf
[08:44] <eroomde> not all arduinos are the same
[08:44] <eroomde> or run on the same voltage
[08:46] <eroomde> although the datasheet says 3V logic, 3.3V is fine
[08:46] <eroomde> electronics are rarely (though not stricly always) so sensitive that they can't cope with +10% of some nominal operating voltage
[08:47] <ggs> got it
[08:47] <ggs> so I just connect the TX port of Pl2303 to EN pin on the NTX2
[08:47] <eroomde> yep
[08:47] <eroomde> make sure a pullup resistor is in there somewhere
[08:47] <ggs> and set the serial port to be 4800 baud ASCII 8N1 serial connection
[08:47] <ggs> and then issue the commands?
[08:48] <eroomde> give it a whirl!
[08:48] <ggs> what will the pull up resistor help with?
[08:48] <eroomde> good question
[08:48] <eroomde> so
[08:48] <eroomde> serial communications are 'normally high'
[08:48] <eroomde> that's to say that the 'idle' state of the line is +3.3V
[08:49] <eroomde> and it goes down to 0V to actually send a bit
[08:49] <eroomde> now, the input pin of the ntx2b probably has a really high impedance (resistance)
[08:49] <daveake> 100k
[08:49] <eroomde> the EN pin already has a pullup?
[08:49] <daveake> down
[08:50] <daveake> Actually 1 sec I'll check
[08:50] <eroomde> oh it's not normally high then?
[08:50] <eroomde> that would be wierd if everyone's saying it's just normal serial
[08:50] <eroomde> (i don't know myself as i've not used one)
[08:51] <eroomde> ggs: ok the general principle behind a pullup is that it makes sure the line is kept 'pulled up' to 3.3V when no one is using the bus
[08:51] <eroomde> with fairly large value resistor like 10k or 100k, that means you don't get a big short when something else like a tx pin pulls the line low
[08:51] <eroomde> but it does mean that the line can't float around due to interference or cosmic rays or whatever
[08:52] <daveake> OK, NTX2B datasheet doesn't specify, but the MTX2 (which I believe is the same electrically) says "EN has a 100k& pulldown resistor "
[08:52] <ggs> but I need to do this only as a one shot deal, right?
[08:52] <ggs> set the frequency and leave it
[08:52] <ggs> so is there really a worry about cosmic rays etc?
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[08:53] <eroomde> heh i should read the datasheet
[08:53] <eroomde> so it's *not* normal serial
[08:53] <ggs> I do not want to be changing the frequency after the NTX2 has been setup
[08:53] <eroomde> "9600 baud 0V-3V Inverted RS232 (UART) Programming command input"
[08:53] <eroomde> for EN/PGM
[08:54] <ggs> but the NTX2-B sheet says that we should sent the commands using 4800 baud ASCII 8N1 serial connection
[08:54] <eroomde> (you should read the datasheet too instead of asking randomers on the internet who've not used this part before ;) )
[08:54] <eroomde> fine
[08:54] <ggs> https://dl.dropboxusercontent.com/u/63720513/HAB%20Supplies%20Datasheets/HAB-NTX2B-FA.pdf
[08:54] <eroomde> do precisely what the datasheet says and you should be ok
[08:54] <eroomde> noring that datasheets are much less frequently wrong than irc channels
[08:54] <eroomde> but not always definitely right
[08:54] <ggs> :)
[08:55] <eroomde> noting that *
[08:55] <ggs> so connect EN on NTX2 to TX on PL2303, GND on PL2303 to GND on NTX2
[08:55] <ggs> am I missing any connections?
[08:56] <eroomde> so long as the power lines are connected up too you should be fine
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[09:01] <ggs> ok perfect. thanks
[09:01] <eroomde> i'd rig up some test signal to transmit
[09:01] <eroomde> and be recieving it so you can quickly see if the freq-change has worked
[09:03] <daveake> An SDR of any sort is great for this
[09:13] <ggs> I have my laptop setup to do SDR
[09:13] <eroomde> you're in business then
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[09:20] <LunarWork> hello
[09:26] <daveake> hello
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[09:34] <infaddict> hello
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[09:38] <DutchMillbt> G'morning ( or not ;-) ) Who knows more about problems with the RFM22?
[09:39] <daveake> It doesn't have problems; it just needs to be cared for and cuddled </$50sat>
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[09:41] <DutchMillbt> Hi Dave like all electronics ;-)
[09:44] <DutchMillbt> I want to check the status RFM's register periodically to see if it's still tx'ing
[09:45] <daveake> yeah, that's a minimum
[09:45] <DutchMillbt> But does it help?
[09:46] <daveake> yes
[09:46] <daveake> peek a register that you set up, and if it's returned to the default then reset the device
[09:46] <daveake> probably worth resetting periodically anyway
[09:47] <daveake> and by reset, I mean hit the reset line and then re-initialise all the registers
[09:48] <daveake> Finally, they don't like getting damp, so give it a conformal coating
[09:48] <DutchMillbt> Oke thankz Dave, did the periodically resetting but that it hangs after 2 reboots
[09:48] <daveake> Not seen that one
[09:49] <daveake> They do need a nice clean power supply
[09:49] <daveake> Given all the above, you might feel happier with a more reliable transmitter
[09:50] <craag> the newer rfm69 is a lot better behaved in most respects if you're set on that form factor
[09:50] <craag> often cheaper too
[09:50] <DutchMillbt> Yep strange , i think its a ISR problem between the RFM22 ans the RFM22 lib ( RadioHead the new one)
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[09:52] <DutchMillbt> Dave Thanks for your tips
[09:54] <eroomde> russss: my colleage just punched the table sufficiently hard to make his monitor topple forward onto his pint glass
[09:55] <eroomde> another victory for matplotlib
[09:55] <russss> heh
[09:55] <Vaizki> also I hear RFM22 doesn't like the cold..?
[09:55] <daveake> I suspect it's damp rather than cold
[09:56] <daveake> Also some modules seem better than others. I have one that I've flown 10+ times as a backup and it's never gone wrong.
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[09:58] <eroomde> a bit of acrylic spray might sort out the moisture issue
[09:59] <daveake> Yep <daveake> Finally, they don't like getting damp, so give it a conformal coating :-)
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[10:00] <eroomde> oic
[10:00] <eroomde> sorry
[10:00] <eroomde> can't multitask
[10:00] <daveake> I'm doing documentation today so I need all the escape I can get :/
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[10:03] <j0nnymac> hey guys - how might i find the 'history' of the channel...?
[10:03] <daveake> !wiki zeusbot
[10:03] <SpacenearUS> 03daveake: No results for your query
[10:03] <craag> j0nnymac: http://habhub.org/zeusbot/
[10:03] <j0nnymac> brill !
[10:03] <j0nnymac> ta :)
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[10:23] <j0nnymac> hey there - how long would it take for a 1kg package to descend from say 30k meters?
[10:23] <j0nnymac> (with a parachute)
[10:23] <j0nnymac> :)
[10:23] <fsphil> depends on the parachute
[10:23] <eroomde> j0nnymac: it is almost completely a function of the parachute
[10:23] <j0nnymac> gotcha
[10:27] <eroomde> if you pick a chute we can work it out
[10:27] <eroomde> but basically a number like 45 mins would be a fairly reasonable typical hab descent time
[10:27] <eroomde> 30-45mins
[10:28] <j0nnymac> 45 misn
[10:28] <j0nnymac> mins
[10:28] <j0nnymac> thats cool
[10:28] <j0nnymac> (just wanted a really rough idea)
[10:30] <daveake> extra altitude doesn't make an awful lot of difference as that part doesn't last long
[10:32] <j0nnymac> grand
[10:33] <eroomde> j0nnymac: you're the chap at IBM right?
[10:33] <j0nnymac> i am indeed buddy
[10:34] <eroomde> do you know an andy stanford-clarke?
[10:35] <j0nnymac> i do fella - he (when he is in) sits down the corridoor
[10:35] <j0nnymac> top man!
[10:35] <j0nnymac> very very smart man too
[10:35] <j0nnymac> do you know him too?
[10:35] <eroomde> yes
[10:35] <j0nnymac> :)
[10:36] <eroomde> just socially, tho have given some electronics help before
[10:36] <eroomde> and i helped with with a node-red+pi workshopy thing once
[10:36] <j0nnymac> aah fantastic - yeah he is biig into Internet of Tings
[10:36] <j0nnymac> oh sweet really?
[10:36] <eroomde> yes
[10:36] <j0nnymac> now that is a really fun technology
[10:36] <eroomde> down near his house on the IoW
[10:36] <j0nnymac> wowser
[10:36] <j0nnymac> he has never invited me ;)
[10:36] <eroomde> yeah it's cool
[10:36] <eroomde> i think mqtt is really nice
[10:36] <j0nnymac> he has llamas i understand
[10:36] <eroomde> yes he does!
[10:37] <j0nnymac> its very very handy thats for sure
[10:37] <eroomde> he has all sorts
[10:37] <eroomde> had to be careful not to tread on some bit of wildlife when going round his garden
[10:37] <j0nnymac> ha!!!
[10:37] <j0nnymac> he made a real name for himself with the intelligent internet enabled mouse trap -
[10:37] <eroomde> also one of the llamas was blind so you had to be careful it didn;t just walk through you
[10:37] <j0nnymac> which used mqtt
[10:37] <j0nnymac> oh jeez
[10:38] <eroomde> i was impressed with nodered
[10:38] <j0nnymac> nah - ive never made it that far buddy :)
[10:38] <j0nnymac> tell you what - that is a god send
[10:38] <eroomde> had people who'd never programmed before getting quite complicated stuff working extremely quickly
[10:38] <j0nnymac> makes life so much simpler
[10:38] <eroomde> it's good glue
[10:38] <j0nnymac> Nick Oleary and Dave Conway Jones were the main players behind that I think
[10:39] <eroomde> managing state is hard, but you can just write arbitrary code into the bricks
[10:39] <j0nnymac> aye - i remember when I first played with it. Did something dinky like a twitter bot and i recall being really annoyed as when i deployed my flow i couldnt see any error messages
[10:39] <j0nnymac> never occured to me that it would just work straight off
[10:39] <j0nnymac> spent 20 mins digging around looking for them
[10:40] <j0nnymac> until i realised my twitter id was spamming the world
[10:40] <eroomde> yeah those two names ring a bell
[10:40] <eroomde> i've not used it much out of workshops
[10:41] <j0nnymac> its pretty good
[10:41] <eroomde> but then i am reasonably happy just writing normal software
[10:41] <j0nnymac> :)
[10:41] <j0nnymac> i used to code a lot but for mainframe systems (jcl/pl1)
[10:41] <eroomde> but we were going to do all the low bandwidth stuff on our test site with mqtt
[10:41] <eroomde> monitoring pressures and temps of various chemicals and gases and things
[10:42] <j0nnymac> never really got so much into the distributed
[10:42] <j0nnymac> although liked prolog :)
[10:44] <eroomde> me neither
[10:45] <eroomde> although i like to think our test rig is one big distributed computing system
[10:48] <j0nnymac> oooh whereabouts is your test rig?
[10:49] <eroomde> oxfordshire
[10:50] <eroomde> well buckinghamshire
[10:50] <eroomde> really
[10:50] <j0nnymac> your in I.T too?
[10:50] <eroomde> near the border
[10:50] <eroomde> nope i'm a space cadet
[10:50] <j0nnymac> :)
[10:50] <eroomde> work in propulsion research
[10:50] <j0nnymac> no
[10:50] <j0nnymac> way
[10:50] <j0nnymac> that is AWESOME
[10:51] <j0nnymac> colour me envious buddy - that sounds like a really fun field to work in!
[10:51] <eroomde> it is on days like today
[10:51] <j0nnymac> today??
[10:52] <eroomde> just sunny
[10:52] <j0nnymac> gotcha!
[10:52] <eroomde> we're in the middle of an old ww2 airfield
[10:52] <eroomde> fairly basic buildings
[10:52] <j0nnymac> oh nice!!!
[10:52] <eroomde> cold-war era hardened bunkers for testing engines
[10:52] <eroomde> bleak in winter, lovely today
[10:52] <j0nnymac> nice!
[10:52] <j0nnymac> im inside...
[10:53] <j0nnymac> but got a really nice lawn to look out on
[10:53] <j0nnymac> over in a sort of IBM campus
[10:53] <j0nnymac> called Hursley
[10:53] <j0nnymac> one of their nicer IBM locations to be in
[10:53] <eroomde> i think andy has mentioned it
[10:54] <j0nnymac> yep - 'course
[10:54] <j0nnymac> looks like we will be launching from Churchill
[10:54] <j0nnymac> on 23rd (maybe 22nd if adamgreig is up for that)
[10:55] <j0nnymac> be glad when this balloon is in the air
[10:55] <j0nnymac> actually
[10:55] <j0nnymac> be glad once its back down again and we have recovered the film/data :)
[10:57] <j0nnymac> adamgreig: you there fella?
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[11:19] <infaddict> do most handheld receivers have a line out/audio out 3.5mm socket? cant see it mentioned in specs of some I've looked at.
[11:23] <gonzo_> usually a mono 3.5mm jack for speaker
[11:24] <gonzo_> but very few handheld rx/scanners will do SSB, needed for rtty, if that is your game
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[11:40] <infaddict> ok thx gonzo_
[11:47] <tweetBot> @NORB_HAB: Currently designing next HAB payload. My drawing isn't great, so I just decided to build what I was thinking! #ukhas http://t.co/LXXxsg8E1c
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[11:59] <LunarWork> be back later
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[13:20] <ggs> hi
[13:31] <infaddict> hi
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[13:38] <_charlie> hi
[13:40] <ggs> I am back with my questions about how to set the frequency on the NTX2
[13:40] <daveake> Exactly which model of NTX2?
[13:41] <ggs> was just trying it but I think something is wrong since my PL2303 over heats when I connect it directly to the NTX2
[13:41] <ggs> NTX@B
[13:41] <daveake> ???!!!??!!
[13:41] <ggs> the frequency agile model
[13:42] <ggs> sorry I connected the TX of PL2303 to EN, 3.3V to VCC and GND to GND
[13:42] <daveake> Not that this matters re overheating, but do you mean the NTX2B-FA from HAB Supplies?
[13:42] <ggs> yes
[13:43] <Ian_> https://dl.dropboxusercontent.com/u/63720513/HAB%20Supplies%20Datasheets/HAB-NTX2B-FA.pdf
[13:43] <ggs> I am trying to set the frequency using PL2303 connected to USB port on my raspberry pi
[13:43] <ggs> instead of the Arduino instructions given with the NTX2
[13:43] <infaddict> doesnt EN also require 3.3V?
[13:43] <daveake> Which it gets from Tx
[13:44] <infaddict> yep
[13:44] <ggs> but EN is the pin to which we need to send the commands from TX?
[13:44] <daveake> yes
[13:44] <mattbrejza> got a picture?
[13:44] <ggs> so I need not short VCC and EN, right?
[13:44] <daveake> NO
[13:44] <ggs> picture?
[13:45] <daveake> I suspect your last question answers the overheating question
[13:45] <ggs> i.e.,?
[13:45] <daveake> Do not short EN to 3V3 if you're driving EN from soemthing else (e.fg Tx from the prolific)
[13:46] <ggs> I did not short EN to VCC
[13:46] <daveake> <ggs> so I need not short VCC and EN, right?
[13:46] <daveake> implied otherwise
[13:46] <ggs> I have EN connected to TX
[13:46] <ggs> sorry about the confusion
[13:46] <ggs> no, I have not shorted VCC and EN
[13:46] <infaddict> sry to interrupt here but why use EN for TX? NTX2B has dedicated pin 7 TX for that.
[13:46] <Ian_> Show us a picture of your connection - diagram
[13:46] <daveake> Give us the full list of connections you've made to the NTX2
[13:47] <daveake> infaddict he's trying to program the ntx2b frequency
[13:47] <daveake> which is done vie the EN pin
[13:47] <ggs> ok..from PL2033 3.3 to VCC
[13:47] <infaddict> aha oops right
[13:48] <daveake> <ggs> ok..from PL2033 3.3 to VCC
[13:48] <daveake> and what's the maximum current drive from the PL2033 on that pin ?
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[13:49] <ggs> I meant PL2303 3.3 to pin 5 (VCC), PL2303 GND to pin 6, PL2303 TXD to pin 4
[13:51] <ggs> re: current, do you want me to check using a multimeter or want the rated values from their manual for PL2303?
[13:51] <daveake> rated
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[13:55] <ggs> looking here - http://www.prolific.com.tw/UserFiles/files/ds_pl2303HXD_v1_4_4.pdf#page=20&zoom=auto,65,728
[13:55] <ggs> but unable to figure out what is the max current (it does say 25 mA when no device connected)
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[13:57] <daveake> Doesn't appear to say
[13:57] <daveake> Typical consumption on the NTX2B is 18mA
[13:57] <daveake> So first step measure that Vcc with the NTX2B connected
[13:57] <daveake> i.e. Vcc at the NTX2B
[13:59] <daveake> Also you could just power the NTX2B directly from the Pi 5V line
[13:59] <daveake> rather than worry about / overheat the poor little PL2303
[14:00] <ggs> makes sense
[14:00] <ggs> I am worried about connecting the NTX2 to GPIO since I do not want to blow up my raspi :)
[14:00] <SA6BSS> cool loks like the ballon sp3osj released last weekend made it to Mongolia/china,
[14:02] <Ian_> ggs I guess that you don't own an Arduino at all?
[14:02] <ggs> I do have one but it is broken right now
[14:02] <ggs> so I am taking this as a lesson to learn how to do this outside of Arduino
[14:02] <Ian_> Broken ?
[14:02] <ggs> broken - does not work
[14:03] <ggs> must be something I did (just like how I am stressing out the PL2303 :)
[14:03] <Ian_> Patently - for what reason , how broken?
[14:03] <ggs> I bought it a long time ago and my son and I made one of those robot kits with it
[14:03] <ggs> then did not touch it for sometime
[14:03] <ggs> now it does not even turn on
[14:04] <Ian_> Fine, Just you seem intent on breaking new ground and more devices, rather than understanding the ones you hae already - harsh, but true.
[14:05] <eroomde> arduinos smoke sometimes
[14:05] <eroomde> it happens
[14:05] <ggs> sure
[14:05] <daveake> for the best
[14:05] <ggs> no breaking no learning
[14:06] <Ian_> Happy learning.
[14:06] <eroomde> not strictly true
[14:06] <daveake> I remember once happily learning that it's a good idea to cut the vero tracks between the AC side of the board and the DS side
[14:07] <daveake> DC
[14:07] <eroomde> but it's roughly true that good design comes from experience which comes from bad design
[14:08] <Ian_> Make smoke, buy more components!
[14:09] <ggs> and make chinese economy BOOM
[14:09] <daveake> RS actually stood for "Release Smoke" originally
[14:09] <daveake> (lie)
[14:10] <eroomde> i was thinking that none of my work has caught fire at this job
[14:10] <eroomde> but then i recalled that i design it to make a great deal of fire
[14:10] <russss> unintentional fire
[14:10] <eroomde> so that's sort of got that base covered
[14:11] <eroomde> however i did blow a little ethernet/adc interface card i made by breaking my own design rules
[14:11] <eroomde> which is not having identical connectors for completely different roles
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[14:11] <eroomde> and hence i stuck a power cable into an io connector
[14:11] <daveake> ouch
[14:11] <eroomde> and shoved 24V into the stm32f4 inputs
[14:11] <eroomde> and it popped
[14:12] <Ian_> like a well cooked beetle
[14:12] <adamgreig> it's just so easy to keep using the same nice connectors once you have some nice connectors
[14:12] <adamgreig> don't you just get the amphenol ones pinned so you can't do that?
[14:14] <Ian_> Certainly not back then :)
[14:16] <Laurenceb__> http://gushh.net/tmp/arduinoshield.png
[14:19] <Ian_> :)
[14:25] <j0nnymac> hey there adamgreig
[14:25] <adamgreig> hi
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[14:25] <j0nnymac> are you still ok for 23rd?
[14:25] <eroomde> adamgreig: this was on the board
[14:25] <eroomde> not on the box
[14:25] <eroomde> i would never do that on a front panel ever
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[14:26] <eroomde> this was more an internal pcb assembly within a box that only i would ever do
[14:26] <eroomde> and therefore wouldn't screw up
[14:26] <eroomde> ...
[14:26] <adamgreig> ah, right
[14:26] <adamgreig> j0nnymac: yes though as mentioned only until about 2pm
[14:27] <j0nnymac> coolershaker - in terms of what fits best around you - would 22nd be better?
[14:27] <_charlie> Best event I've been involved in was a full bridge recitifier lab, where the PCBs had a bad trace. Imagine about 20 diodes popping around the room, some catching fire....
[14:27] <adamgreig> 22nd is free all day, either is fine though
[14:28] <adamgreig> eroomde: are you still using the molex 0.1" with little tab things?
[14:29] <j0nnymac> great - do you need info from us in terms of ID's that kind of thing? Should I email you so we know where to meet/times etc?
[14:29] <j0nnymac> btw if you are interested in what we are doing
[14:29] <j0nnymac> check this out...
[14:29] <eroomde> the little tab thingies?
[14:29] <j0nnymac> https://bluemiximp1.wordpress.com/
[14:30] <_charlie> nice one jonny
[14:31] <j0nnymac> :)
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[14:32] <eroomde> oh so you're using node red for this too
[14:33] <eroomde> nice
[14:33] <eroomde> you should release a brick that pushes stuff to habitat
[14:33] <j0nnymac> yep - its a really nice easy way of putting together readymade services
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[14:33] Nick change: BrainDamage_ -> BrainDamage
[14:33] <eroomde> i'll ping andysc about this
[14:33] <eroomde> he'll like it
[14:33] <j0nnymac> and (as you know) its got lovely mqtt nodes that make messaging less painfull
[14:34] <j0nnymac> hey that be awesome fella
[14:34] <adamgreig> j0nnymac: ah yea i'll email you a standard thing
[14:34] <j0nnymac> brillo - adamgreig do you want my email address ?
[14:34] <adamgreig> suspect i have it seeing as you emailed me
[14:34] <j0nnymac> gotcha
[14:35] <j0nnymac> course - it was via the CU site
[14:35] <j0nnymac> brilliant thanks buddy
[14:36] <eroomde> imperial students having to go to cambridge to do their project
[14:36] <eroomde> that'll go down well
[14:36] <j0nnymac> :)
[14:36] <eroomde> i suppose laurence launched from churchill a few times
[14:36] <j0nnymac> they did want to do it from the roof of the EEE building at Imperial
[14:36] <j0nnymac> CAA wasnt all that keen
[14:36] <russss> heh
[14:37] <russss> they'd probably be OK if it happened at 5am
[14:37] <j0nnymac> they are nice enough lads though - worked hard too. They told me what was involved in their engineering course - sounded like a serious piece of work
[14:37] <Elwell> Hi All, GPS Q: Upu (or others) Any plans to make a beaglebone version of the GPS daugherboard?
[14:38] <Elwell> although I read that they're EMF noisy, so extenal ant would be needed
[14:38] <j0nnymac> russss: i guess - although for Golden Cross they gave us a window of 4:30 - 5:30
[14:38] <j0nnymac> and thats in the New Forest
[14:39] <eroomde> Elwell: making a pcb is super easy
[14:39] <eroomde> you could happily make one for the beaglebone
[14:39] <russss> I chatted to someone who got permission to launch from Bethal Green at 5am on a Saturday, iirc
[14:40] <russss> they emailed London Hackspace and I subsequently gave them the third degree about their NOTAM but it seemed like it was all above board
[14:41] <j0nnymac> wow! I suspect they must be more persuasive than me... I got the 'you can launch at 4:30 -> 5:30 as long as the wind doest travel east or south'
[14:41] <j0nnymac> course
[14:41] <j0nnymac> a quick check revealed the wind went east and south quite a bit
[14:41] <Elwell> eroomde: yeah. Or I can just buy the breakout module and solder some jumper leads on :-p
[14:42] <eroomde> indeed!
[14:42] <eroomde> that's probably your best bet
[14:42] <Elwell> was only if "yeah I'm waiting for sufficient interest to do a run" was a response
[14:43] <eroomde> j0nnymac: could you encourage them to add a load of pictures (including a node red screencap) to the project page?
[14:43] <eroomde> then i can send andy an obvious link that explains everything quickly
[14:43] <j0nnymac> eroomde: i certainly can...
[14:43] <j0nnymac> ill pop them a note now
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[14:57] <craag> Huh, I got 4-5am from golden cross with no restrictions
[14:58] <craag> I think 5am might be the cutoff
[14:59] <eroomde> the nice thing about the blanket notam was the occassional sort of viking style feast in which they might get drunk and then hold up a goblet and shout 'we raid tonight!' and all the other vikings roar with agreement and head to battle
[14:59] <eroomde> except we (cusf) would be in the pub about 10pm and say 'we launch tonight!' and the same thing would happen
[14:59] <eroomde> and we'd go for a 3am launch or something
[15:00] <_charlie> LOL
[15:00] <russss> Heathrow landings start at 04:30am, but they're infrequent until 6am. I presume other airports are similar
[15:05] <_charlie> 5 weeks until New Horizons makes its closest approach to Pluto
[15:05] <_charlie> so exciting
[15:05] <eroomde> it is
[15:05] <eroomde> most exciting spacey thing for yrs
[15:05] <eroomde> since curiosity landing i guess
[15:05] <Laurenceb__> did someone say beaglebone
[15:05] <eroomde> oh no rosetta
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[15:06] <Lunar_Lander> hello
[15:06] <_charlie> hi
[15:06] <eroomde> Laurenceb__: yes and you can search for who and then soberly and succinctly give them your approasal sans rant
[15:06] <_charlie> rosetta was cool
[15:06] <Laurenceb__> hehe
[15:06] <_charlie> Kappa
[15:08] <eroomde> kappa?
[15:08] <Laurenceb__> they make toilet roll?
[15:09] <Laurenceb__> http://www.smurfitkappa.com/vHome/com/Pages/Default.aspx
[15:09] <Laurenceb__> and other stuff
[15:09] <_charlie> LOL
[15:09] <_charlie> http://res.cloudinary.com/urbandictionary/image/upload/a_exif,c_fit,h_200,w_200/v1395991705/gjn81wvxqsq6yzcwubok.png
[15:09] <_charlie> emoticon used to indicate trolling/playful banter
[15:10] <eroomde> i don't know what is going on anymore
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[15:11] <_charlie> nevermind :/
[15:11] <_charlie> rosetta was cool, but seeing pluto up close will be coller
[15:11] <_charlie> cooler
[15:12] <Laurenceb__> time to get off our lawns
[15:12] <eroomde> yes i agree
[15:12] <eroomde> i'm excited
[15:13] <fsphil> I'm impresed that hubble is managing to learn so much about it despite being so far away from it
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[15:20] <_charlie> yeah
[15:21] <_charlie> Have you seen the images of Io taken from the surface (of Earth!!!!!)
[15:21] <eroomde> link
[15:22] <SpacenearUS> New vehicle on the map: 03KM4JIE-1 - 12http://tracker.habhub.org/#!qm=All&q=KM4JIE-1
[15:23] <_charlie> http://lbtonews.blogspot.co.uk/2015/04/lbt-takes-close-look-at-lava-lake-on.html
[15:34] <anerdev_> hey guys
[15:34] <anerdev_> with Arduino, what GSM module you use ?
[15:35] Nick change: Kryczek_ -> Kryczek
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[15:36] <guest3652> anerdev_: for what? balloon tracking?
[15:40] <anerdev_> not for tracking, but for send the position trough sms
[15:42] <guest3652> huh? isnt that the same? for balloon tracking gsm is unsuitable because up there you cant receive gsm. and on the ground i think most of them are using amateur radio based systems like aprs (automatic packet reporting system)
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[17:00] <Reb-SM3ULC> evening
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[17:14] <Lunar_Lander> hej Reb-SM3ULC
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[17:55] <SpacenearUS> New vehicle on the map: 03DC2EH-14 - 12http://tracker.habhub.org/#!qm=All&q=DC2EH-14
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[18:03] <selat> Hi guys! How can I register at habhub.org website to make my balloon show up on it?
[18:09] <daveake> Have you made a payload document yet?
[18:09] <Reb-SM3ULC> http://habitat.habhub.org/genpayload/
[18:11] <selat> Not yet... Thanks for the link!
[18:13] <daveake> Make a payload document on there. If you get it right then when you upload telemetry from dl-fldigi your tracker will appear on the map; if not then check http://habitat.habhub.org/logtail/ to see where you went wrong
[18:20] <SpacenearUS> New position from 03SP5NVX after 035 days silence - 12http://tracker.habhub.org/#!qm=All&q=SP5NVX
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[18:42] <SpacenearUS> New position from 03HABNL-04 after 034 days silence - 12http://tracker.habhub.org/#!qm=All&q=HABNL-04
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[19:20] <SpacenearUS> New vehicle on the map: 03Bravo Virginia_chase - 12http://tracker.habhub.org/#!qm=All&q=Bravo%20Virginia_chase
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[19:34] <chris_99> Anyone bought a hydrogen cylinder recently out of interest, i'm curious how much a 20l cylinder would cost to fill
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[19:41] <daveake> Never bought one - they are rented out
[19:42] <daveake> With BOC there's a charge for the gas, another for the cylinder (per month) plus a collection or delivery charge
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[19:56] <Lunar_Lander> how much is the rent per month?
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[20:03] <daveake> Somwhere around £10 iirc
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[20:11] <fox123> hallo all, please how frequency and mode DC2EH-14
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[20:16] <Geoff-G8DHE-Tab> If it says via APRS then its on the amateur band 144.8 in Europe or 144.39 in USA
[20:22] <fox123> TNX 73
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[22:32] <amell> me likey my new Teensy 3.1 which was delivered today. it rocks, way better than arduino shite.
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[22:35] <chris_99> sorry went afk, but you can get them to fill your own cylinder can't you?
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[22:36] <_charlie> hi
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[23:10] Nick change: Dread -> Guest5047
[23:14] <amell> spadeadam looks like a fun place to live
[23:14] <amell> E) EXPLOSIVE GAS RELEASE WI 2NM LOCATION 550341N 0023622W (SPADEADAM).
[23:14] <amell> FIREBALL MAY REACH 4500FT AMSL, HOT GASES MAY REACH 36000FT AMSL.
[23:14] <amell> 15-06-0017/AS6
[23:15] <SpeedEvil> :)
[23:19] <_charlie> awesome
[23:19] <_charlie> its good to know im not the only one who looks at NOTAMs for interesting things XD
[23:19] <SpeedEvil> I guess some big oilrig
[23:19] <SpeedEvil> Straight between edinburg and copenhagen
[23:19] <amell> might be testing a blowout valve, they do that sort of stuff there
[23:20] <SpeedEvil> Or just a really awesome party
[23:21] <_charlie> what are the odds you'll have a bunch of gliders at 5000ft? :)
[23:21] <theRealSIbot> In real units: 5000 ft = 1524 m
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[00:00] --- Fri Jun 5 2015