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[10:59] Tiernan (~Tiernan@cpc2-soli3-0-0-cust1723.perr.cable.virginmedia.com) left irc: Quit: ChatZilla 0.9.86 [Firefox 3.6.3/20100401080539] [11:32] ping rjharrison [11:35] GeekShadow (~Antoine@reactos/tester/GeekShadow) left irc: Ping timeout: 252 seconds [12:07] rharrison (~rharrison@vpn.hgf.com) joined #highaltitude. [12:09] junderwood, I'll get some data for you [12:10] Thanks. Did I remember correctly? Is there a way of accessing old data from the web site? [12:14] Action: DanielRichman is now 2E0DRX [12:21] N900evil (~Speedevil@tor/regular/SpeedEvil) left irc: Remote host closed the connection [12:32] DanielRichman, Cool [13:02] GeekShadow (~Antoine@reactos/tester/GeekShadow) joined #highaltitude. [13:13] Lunar_Lander (~83ad11b6@gateway/web/freenode/x-bqfuvxfkxxvpxzjz) joined #highaltitude. [13:13] hello [13:27] Lunar_Lander (~83ad11b6@gateway/web/freenode/x-bqfuvxfkxxvpxzjz) left irc: Quit: Page closed [14:19] DanielRichman: congrats! [14:20] DanielRichman: nice going, when's your full test? :P [14:20] let him get the new one wet first [14:22] Randomskk, I reckon that if I can find a centre I can do the August one [14:23] nice nice :D [14:24] G8TMV, I'm not allowing myself to operate until exams finish in 3 weeks; but then this 2m jpole is going on the roof [14:25] that's some excellent self restraint [14:25] nah it means I get distracted by SC2 rather than a Ham radio rig [14:25] hehe [14:25] that's more like it [14:26] I only have four exams, the first in six days, and they finish in less than two weeks [14:26] however each is three hours of hell [14:26] oooh lovely [14:26] but I can't effectively just work flat out all day long [14:27] which means mostly it's a few hours each day of doing past papers and that's pretty much it [14:27] there's so much other fun stuff to do [14:27] Jasperw (~jasperw@93.89.81.29) joined #highaltitude. [14:27] :P [14:28] by the end of the week I'll have twenty water guns [14:28] RADARC have asked us to do a talk in February :) [14:28] ha [14:28] I've almost finished a schematic for an ethernet enabled weather station [14:28] ethernet is loads of fun [14:28] jon and I are playing with the predictor code and web interface stuff, too [14:28] more urgently I found one of my lipos had buldged a whole lot [14:28] oh? I would have expected ethernet to be a pain :P [14:29] "loads of fun" [14:29] http://github.com/randomskk/SelWX/raw/master/pcb/selwx_r1/selwx_r1_schematic.png [14:30] 17 control lines :P [14:30] and we're even using an RJ45 jack with embedded magnetics [14:30] normally you'd have to have transformers too [14:30] ahh, 'spose that's something [14:31] it helps a little [14:31] there are still like 11 capacitors and loads of other shit [14:31] what's the STM 32 like? [14:31] and that's just the hardware, the software is going to be equally "fun" [14:31] I really like them, generally [14:31] they are powerful and pretty cheap and fairly easy to use and have loads and loads of features [14:31] their peripherals are awesome [14:31] stm32 vs atxmegas? [14:32] haven't had enough experience with atxmega to say, but I'd go with the stm32 personally from what I have seen [14:33] What's the software/compiler like? [14:33] AVRs are nice though, I'm a little tempted to play with the new ones [14:33] GCC supports the STM32 [14:33] so, easy [14:33] ah, great [14:33] there are IDEs available but I just use vim and gcc and make [14:33] they provide C libraries that are fairly good [14:33] yeah, I agree there [14:33] not fantastic but decent [14:35] this weather station should be fun [14:35] but really I should be doing work :P [14:35] Where will you get the board made? [14:36] depends on size, probably seeed [14:36] mmm OK [14:37] are the stm built in DACs any good? [14:37] never used them [14:37] OK. I'll let you get on with your work :P [14:37] two of them [14:37] 12bit each [14:37] buffered [14:37] resistor strings and an amplifier apparently [14:38] R2R? [14:38] I imagine so. [14:38] they can DMA too [14:38] which STM is that? the one you're using? [14:38] DMA is nice [14:38] I'm using an STM32F107 which is the connectivity line one, one of the higher end parts [14:38] the F107 are the ones with ethernet basically [14:39] ahh [14:40] :o free samples!? [14:40] oh, yea [14:40] they are awesome [14:40] right that seals it [14:40] I got two free stm32f103s before [14:40] they have a serial bootloader builtin [14:40] so all you need is a usb-serial to program them [14:41] nice [14:41] https://randomskk.net/projects/stm32_dev_board/stm32db_r2.png is my breakout board for them [14:41] breaks out two SPI, two I²C, two serial including one in a 6pin FTDI style, JTAG and power [14:41] has onboard lipo charging, USB [14:42] USB is slightly faulty, it needs a pullup I forgot about [14:42] juxta_ (~blah@203.122.223.121) joined #highaltitude. [14:42] nice; I like the built in usb [14:43] wait hmm [14:43] that is revision 2 [14:44] is there voltage regulation on that board? [14:45] or is built into the STM? [14:45] onboard [14:45] 3v3 [14:45] https://randomskk.net/projects/stm32_dev_board/stm32db_r3.png [14:45] that's the latest version [14:45] still has the USB pullup issue [14:46] but adds lipo charging and fixes a few other things [14:46] also uses a 20pin jtag instead of the silly little one [14:47] I see [14:48] I think all that was wrong with that was that USBD+ needs a pullup [14:48] but yea, it's a fun little breakout board [14:48] I have a load of spare PCBs for them if you want one [14:48] (they are white pcbs!) [14:50] :P maybe later. DO you think that the 12bit DAC would be good enough to produce NiM2 dominoex? [14:50] (the 12bit DAC built into some of the other models) [14:50] no idea [14:50] wouldn't surprise me [14:50] I imagine it could, but I don't know for sure. [14:53] anyway bbl, supervision [14:53] have fun :) [14:58] juxta_ (~blah@203.122.223.121) left irc: Ping timeout: 240 seconds [15:09] rharrison_ (~rharrison@gateway.hgf.com) joined #highaltitude. 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