2015-03-25 00:26 looks like it's ok to use li-ion charges with li-po 2015-03-25 00:26 so whats the darn vottage to let to dischage to before the cut off point? 2015-03-25 00:26 let it discharge too 2015-03-25 00:27 it's hard to find itfo 2015-03-25 00:46 porchaso0 has joined #qi-hardware 2015-03-25 00:47 porchao has quit [Ping timeout: 246 seconds] 2015-03-25 01:26 xiangfu has quit [Ping timeout: 246 seconds] 2015-03-25 01:27 xiangfu has joined #qi-hardware 2015-03-25 01:28 fengling has quit [Quit: WeeChat 1.0] 2015-03-25 01:45 atommann has joined #qi-hardware 2015-03-25 01:48 looks like lowbat is 3.2v according to adafruit's low batt led on there products 2015-03-25 01:53 dandon has quit [Ping timeout: 244 seconds] 2015-03-25 01:58 archang has quit [Quit: Konversation terminated!] 2015-03-25 01:58 archang has joined #qi-hardware 2015-03-25 02:07 atommann has quit [Ping timeout: 252 seconds] 2015-03-25 02:15 dandon has joined #qi-hardware 2015-03-25 02:21 atommann has joined #qi-hardware 2015-03-25 02:33 atommann has quit [Ping timeout: 250 seconds] 2015-03-25 02:52 atommann has joined #qi-hardware 2015-03-25 03:28 qi-bot has quit [Ping timeout: 246 seconds] 2015-03-25 03:28 qi-bot4 has joined #qi-hardware 2015-03-25 03:29 qi-bot4 is now known as qi-bot 2015-03-25 03:31 fengling has joined #qi-hardware 2015-03-25 03:43 xiangfu has quit [Ping timeout: 255 seconds] 2015-03-25 03:44 xiangfu has joined #qi-hardware 2015-03-25 04:19 atommann has quit [Quit: Leaving] 2015-03-25 04:19 atommann has joined #qi-hardware 2015-03-25 04:31 arossdotme: I'd rather use 3500mV aka 3.5V 2015-03-25 04:31 LiIon (incl LiPo) chemistry suffers *massively* from deep discharge 2015-03-25 04:32 3.00V is the ABS MAX deep discharge where you're supposed to dicard the cell safely when ever crossing that line 2015-03-25 04:32 aiui 2015-03-25 04:35 anyway >>90% of the available capacity of a LiIon standard chemistry cell are in a discharge voltage range between 4200mV and down to 3550mV 2015-03-25 04:35 I'd not charge the cell to >4100mV either 2015-03-25 04:38 those designs that use 4200mV-3200mV or even lower, are made for maximum effect in time of sale, not bothering at all about expected livespan of product / battery. A careully gently managed battery can live >7 years, while those "max perfomance" designs calculate with a battery livespam of < 2 years 2015-03-25 04:39 oftem < 1 year 2015-03-25 04:41 xiangfu has quit [Remote host closed the connection] 2015-03-25 04:44 xiangfu has joined #qi-hardware 2015-03-25 06:45 jekhor has joined #qi-hardware 2015-03-25 06:49 fengling has quit [Quit: WeeChat 1.0] 2015-03-25 06:53 fengling has joined #qi-hardware 2015-03-25 07:06 pcercuei has joined #qi-hardware 2015-03-25 07:18 pcercuei has quit [Ping timeout: 256 seconds] 2015-03-25 07:48 atommann has quit [Ping timeout: 265 seconds] 2015-03-25 08:00 atommann has joined #qi-hardware 2015-03-25 08:26 tumdedum has quit [Ping timeout: 256 seconds] 2015-03-25 08:27 tumdedum has joined #qi-hardware 2015-03-25 08:45 pcercuei has joined #qi-hardware 2015-03-25 09:07 sb0 has joined #qi-hardware 2015-03-25 09:26 pcercuei has quit [Ping timeout: 246 seconds] 2015-03-25 09:44 wpwrak has quit [Ping timeout: 252 seconds] 2015-03-25 09:51 pcercuei has joined #qi-hardware 2015-03-25 10:14 jekhor has quit [Ping timeout: 256 seconds] 2015-03-25 10:33 xiangfu has quit [Quit: leaving] 2015-03-25 10:42 pcercuei has quit [Ping timeout: 256 seconds] 2015-03-25 10:50 sb0 has quit [Quit: Leaving] 2015-03-25 10:52 Haswell has joined #qi-hardware 2015-03-25 10:55 pcercuei has joined #qi-hardware 2015-03-25 10:55 wpwrak has joined #qi-hardware 2015-03-25 11:03 atommann has quit [Ping timeout: 264 seconds] 2015-03-25 11:15 wpwrak has quit [Ping timeout: 264 seconds] 2015-03-25 11:17 jekhor has joined #qi-hardware 2015-03-25 11:18 wpwrak has joined #qi-hardware 2015-03-25 11:37 wpwrak has quit [Ping timeout: 256 seconds] 2015-03-25 11:48 wpwrak has joined #qi-hardware 2015-03-25 11:58 wpwrak has quit [Ping timeout: 264 seconds] 2015-03-25 12:10 wpwrak has joined #qi-hardware 2015-03-25 12:13 DocScrutinizer thx iw ould like max batt life span, 2015-03-25 12:14 the chrager is setup to charge upto 4.19v if i'm not missing out the 3rd digect 2015-03-25 12:14 then use 3.55 .. 4.1V (dis)charge cycle limits 2015-03-25 12:14 which i realise now the 3rd digect makes a diff when talking about it 2015-03-25 12:14 ok 2015-03-25 12:15 the min vottage in the sys power info is something like 4.7something 2015-03-25 12:15 4.15 is maybe still ok, 4.2 is pushing it quite a bit 2015-03-25 12:16 ok 2015-03-25 12:16 4.7 doesn't make sense 2015-03-25 12:16 i'mm ignore that vaule then 2015-03-25 12:16 i'll 2015-03-25 12:16 4.7 sounds like min USB VBUS voltage 2015-03-25 12:18 my bad 2015-03-25 12:19 its 3475000v 2015-03-25 12:22 it's hardware charged 2015-03-25 12:22 i'm just refering to the sys files the batt monitors use 2015-03-25 12:23 but i now have a better idea of what votage to dischage too before rechage 2015-03-25 12:57 pcercuei has quit [Ping timeout: 252 seconds] 2015-03-25 12:59 pcercuei has joined #qi-hardware 2015-03-25 13:28 atommann has joined #qi-hardware 2015-03-25 14:22 infobot has quit [Read error: Connection reset by peer] 2015-03-25 14:24 infobot has joined #qi-hardware 2015-03-25 14:35 wpwrak has quit [Ping timeout: 264 seconds] 2015-03-25 15:04 sb0 has joined #qi-hardware 2015-03-25 15:27 3475000µV sounds like a reasonable End of Discharge Voltage 2015-03-25 15:40 sb0 has quit [Quit: Leaving] 2015-03-25 15:44 wpwrak has joined #qi-hardware 2015-03-25 15:58 wpwrak has quit [Ping timeout: 246 seconds] 2015-03-25 16:09 wpwrak has joined #qi-hardware 2015-03-25 16:10 atommann has quit [Quit: Leaving] 2015-03-25 16:19 wpwrak has quit [Ping timeout: 264 seconds] 2015-03-25 16:19 jekhor_ has joined #qi-hardware 2015-03-25 16:22 jekhor has quit [Ping timeout: 246 seconds] 2015-03-25 16:24 jekhor__ has joined #qi-hardware 2015-03-25 16:28 jekhor_ has quit [Ping timeout: 245 seconds] 2015-03-25 16:29 jekhor__ has quit [Ping timeout: 264 seconds] 2015-03-25 16:33 jekhor has joined #qi-hardware 2015-03-25 16:35 EDV so thats what its called 2015-03-25 16:35 thx 2015-03-25 16:50 in german: electronische datenverarbeitung 2015-03-25 16:51 s/elec/elek/ 2015-03-25 16:51 eintopf meant: "in german: elektronische datenverarbeitung" 2015-03-25 16:51 qi-bot: thanks 2015-03-25 16:59 http://www.libreboot.org/docs/install/images/x200/x200_pomona.jpg - what's the name of such blue connector? 2015-03-25 17:00 oh, I need such connector 2015-03-25 17:08 wpwrak has joined #qi-hardware 2015-03-25 17:08 Haswell has quit [Quit: Saliendo] 2015-03-25 17:12 Pomona 5250 2015-03-25 17:12 that's the name 2015-03-25 17:15 very expensive 2015-03-25 17:16 Haswell has joined #qi-hardware 2015-03-25 17:35 pcercuei has quit [Ping timeout: 264 seconds] 2015-03-25 17:39 kyak has quit [Ping timeout: 246 seconds] 2015-03-25 17:41 kyak has joined #qi-hardware 2015-03-25 17:41 kyak has joined #qi-hardware 2015-03-25 17:56 wpwrak: had you looked the msp432? 2015-03-25 17:59 sb0 has joined #qi-hardware 2015-03-25 18:06 kristianpaul: not really. yet another vendor-specific architecture, much like avr. why build on this if we can have nice arm-based MCUs, from so many different sources ? 2015-03-25 18:07 rejon has quit [Remote host closed the connection] 2015-03-25 18:07 well, just thinking on the power comsuption could be not as low as the msp430 but interesting 2015-03-25 18:08 to be honest the only 32 bits mcu i can get here is fro microchip :D 2015-03-25 18:08 pcercuei has joined #qi-hardware 2015-03-25 18:19 I worked with the msp430 2015-03-25 18:19 and it was a mess with the toolchain 2015-03-25 18:19 Haswell has quit [Quit: Saliendo] 2015-03-25 18:20 but I heard that ti did some project with redhat to support msp430 to "mainline" gcc 2015-03-25 18:20 before it was a mess 2015-03-25 18:20 I think msp432 is just an Cortex M4 with TI's modules. That doesn't sound so bad. 2015-03-25 18:21 The FRAM MSP430s are very cool. 2015-03-25 18:21 sb0 has quit [Quit: Leaving] 2015-03-25 18:21 http://www.ti.com/tool/msp430-gcc-opensource - looks better 2015-03-25 18:22 and I had a hardware bug and I couldn't start the bsl via bitbanging 2015-03-25 18:22 I implement a small bootloader which starts the bsl when user button is pressed application start :D 2015-03-25 18:23 s/pressed/pressed after/ 2015-03-25 18:23 eintopf meant: "I implement a small bootloader which starts the bsl when user button is pressed after application start :D" 2015-03-25 18:27 valhalla has quit [Read error: Connection reset by peer] 2015-03-25 18:30 zeiris: oh. msp432 is not just another msp430. i see. 2015-03-25 18:32 "The Device Descriptor Information (TLV) section contains a 128-bit true random seed " ;-) http://dilbert.com/strip/2001-10-25 2015-03-25 18:35 Lol 2015-03-25 18:38 valhalla has joined #qi-hardware 2015-03-25 18:39 probably even the same on each device 2015-03-25 18:39 the idea is good, but they really should have use different words to describe it 2015-03-25 18:39 larsc: no, apparently each device gets its own 2015-03-25 18:40 similar to the unique numbers other manufacturers use 2015-03-25 18:50 Would trusting the silicon vendor to discard the random seed immediately after generation+burn be reasonable given that you must trust them to not insert backdoors into the silicon? :) 2015-03-25 18:55 jekhor has quit [Ping timeout: 250 seconds] 2015-03-25 19:00 wolfspraul has joined #qi-hardware 2015-03-25 19:27 even if they'd store it, would still be pretty hard to match it to the hardware 2015-03-25 19:44 wej has quit [Ping timeout: 250 seconds] 2015-03-25 19:50 wolfspraul has quit [Quit: leaving] 2015-03-25 19:53 jekhor has joined #qi-hardware 2015-03-25 19:54 wej has joined #qi-hardware 2015-03-25 20:51 pcercuei has quit [Ping timeout: 265 seconds] 2015-03-25 22:02 jekhor has quit [Ping timeout: 272 seconds]