hw/quantimotor
17 months agomore notes master
Bdale Garbee [Sun, 13 Nov 2022 19:12:37 +0000 (12:12 -0700)]
more notes

17 months agocapture thoughts about wifi transition
Bdale Garbee [Thu, 10 Nov 2022 17:09:04 +0000 (10:09 -0700)]
capture thoughts about wifi transition

22 months agoadd zener to protect ADC load cell input
Bdale Garbee [Tue, 24 May 2022 20:07:09 +0000 (14:07 -0600)]
add zener to protect ADC load cell input

22 months agomore notes
Bdale Garbee [Tue, 24 May 2022 03:20:25 +0000 (21:20 -0600)]
more notes

22 months agoimprove metadata, note about painting strands
Bdale Garbee [Sat, 21 May 2022 22:13:45 +0000 (16:13 -0600)]
improve metadata, note about painting strands

3 years agocaptured some more thoughts on connectoring
Bdale Garbee [Mon, 28 Dec 2020 22:54:16 +0000 (15:54 -0700)]
captured some more thoughts on connectoring

3 years agoupdate schematic metadata to use larger flash chip
Bdale Garbee [Thu, 12 Nov 2020 04:31:00 +0000 (21:31 -0700)]
update schematic metadata to use larger flash chip

3 years agoadd a serial number block to top silk fab-old-v4
Bdale Garbee [Sun, 25 Oct 2020 20:34:41 +0000 (14:34 -0600)]
add a serial number block to top silk

3 years agoforward annotate netname information to pcb
Bdale Garbee [Sun, 25 Oct 2020 20:20:14 +0000 (14:20 -0600)]
forward annotate netname information to pcb

3 years agoupdate schematic to properly reflect unconnected SOC pins
Bdale Garbee [Sun, 25 Oct 2020 20:19:07 +0000 (14:19 -0600)]
update schematic to properly reflect unconnected SOC pins

3 years agodocument screw terminals for strand burner daughter card
Bdale Garbee [Sun, 25 Oct 2020 19:27:40 +0000 (13:27 -0600)]
document screw terminals for strand burner daughter card

3 years agoput header back in exactly the right position
Bdale Garbee [Wed, 21 Oct 2020 08:27:34 +0000 (02:27 -0600)]
put header back in exactly the right position

3 years agocapture more thoughts about daughter cards, etc
Bdale Garbee [Wed, 21 Oct 2020 04:52:03 +0000 (22:52 -0600)]
capture more thoughts about daughter cards, etc

3 years agoroute complete, drc clean, could use another visual pass?
Bdale Garbee [Wed, 21 Oct 2020 04:51:41 +0000 (22:51 -0600)]
route complete, drc clean, could use another visual pass?

3 years agomodify header pinout to support strand burner daughter card
Bdale Garbee [Tue, 20 Oct 2020 20:41:37 +0000 (14:41 -0600)]
modify header pinout to support strand burner daughter card

3 years agorationalize screw strip values in pref parts
Bdale Garbee [Fri, 18 Sep 2020 20:00:34 +0000 (14:00 -0600)]
rationalize screw strip values in pref parts

3 years agogetting there
Bdale Garbee [Sat, 28 Mar 2020 19:16:00 +0000 (13:16 -0600)]
getting there

3 years ago40 pin header fully wired up
Bdale Garbee [Fri, 27 Mar 2020 04:42:38 +0000 (22:42 -0600)]
40 pin header fully wired up

3 years agoPC* all routed to header, drc clean
Bdale Garbee [Thu, 26 Mar 2020 17:50:59 +0000 (11:50 -0600)]
PC* all routed to header, drc clean

3 years agoapparently have fixed the color errors
Bdale Garbee [Wed, 25 Mar 2020 17:05:22 +0000 (11:05 -0600)]
apparently have fixed the color errors

3 years agowork in progress, two color errors I need to fix in the .lht file
Bdale Garbee [Wed, 25 Mar 2020 17:04:03 +0000 (11:04 -0600)]
work in progress, two color errors I need to fix in the .lht file

3 years agoupdate layer colors, lots of work done on routing
Bdale Garbee [Tue, 24 Mar 2020 17:08:54 +0000 (11:08 -0600)]
update layer colors, lots of work done on routing

3 years agowork in progress
Bdale Garbee [Sat, 7 Mar 2020 13:43:32 +0000 (06:43 -0700)]
work in progress

3 years agowork in progress .. 3.3V and GND apparently shorted somewhere?
Bdale Garbee [Sun, 1 Mar 2020 23:31:06 +0000 (16:31 -0700)]
work in progress .. 3.3V and GND apparently shorted somewhere?

3 years agomove to smaller 16 MHz CPU crystal, start assigning pins
Bdale Garbee [Sun, 1 Mar 2020 23:30:40 +0000 (16:30 -0700)]
move to smaller 16 MHz CPU crystal, start assigning pins

3 years agosnapshot before editing .lht directly
Bdale Garbee [Sat, 8 Feb 2020 04:58:07 +0000 (21:58 -0700)]
snapshot before editing .lht directly

3 years agolots of work on placement for revised and simplified design
Bdale Garbee [Mon, 3 Feb 2020 17:34:51 +0000 (09:34 -0800)]
lots of work on placement for revised and simplified design

3 years agochange board to 3x3 inches, add 40-pin header for expansion, work on placement
Bdale Garbee [Sun, 26 Jan 2020 09:06:17 +0000 (02:06 -0700)]
change board to 3x3 inches, add 40-pin header for expansion, work on placement

3 years agoadd header for ADC spi channel to aid debugging
Bdale Garbee [Sun, 26 Jan 2020 00:43:00 +0000 (17:43 -0700)]
add header for ADC spi channel to aid debugging

3 years agolet attribs be automatically handled
Bdale Garbee [Mon, 18 May 2020 21:00:11 +0000 (15:00 -0600)]
let attribs be automatically handled

4 years agonotes on how this should evolve
Bdale Garbee [Sat, 18 Jan 2020 07:27:53 +0000 (00:27 -0700)]
notes on how this should evolve

4 years agochange FET input series resistors to 1k
Bdale Garbee [Mon, 29 Jul 2019 22:54:12 +0000 (16:54 -0600)]
change FET input series resistors to 1k

4 years agoadd a silk rectangle for serial number
Bdale Garbee [Mon, 22 Apr 2019 19:19:50 +0000 (13:19 -0600)]
add a silk rectangle for serial number

5 years agoadd p-fet battery polarity protection fab-old-v3
Bdale Garbee [Wed, 27 Mar 2019 17:17:07 +0000 (12:17 -0500)]
add p-fet battery polarity protection

5 years agoadd another resistor so we can detect a FET that fails shorted
Bdale Garbee [Wed, 27 Mar 2019 04:34:31 +0000 (23:34 -0500)]
add another resistor so we can detect a FET that fails shorted

5 years agomove to MicroMatch for thermistor cabling, reduce board length
Bdale Garbee [Wed, 27 Mar 2019 04:12:14 +0000 (23:12 -0500)]
move to MicroMatch for thermistor cabling, reduce board length

5 years agoswap armed and continuity LEDs to ease routing
Bdale Garbee [Mon, 25 Mar 2019 16:42:38 +0000 (12:42 -0400)]
swap armed and continuity LEDs to ease routing

5 years agoswitch to ADS131A04 for the sensor ADC
Bdale Garbee [Sun, 10 Mar 2019 23:33:55 +0000 (17:33 -0600)]
switch to ADS131A04 for the sensor ADC

5 years agochange thermistor connector to 2x5 header for easy cabling to 9-pin D shell
Bdale Garbee [Sun, 10 Mar 2019 15:27:17 +0000 (09:27 -0600)]
change thermistor connector to 2x5 header for easy cabling to 9-pin D shell

5 years agofix silk screen polarity markings on siren and strobe terminals
Bdale Garbee [Sun, 17 Feb 2019 21:47:25 +0000 (14:47 -0700)]
fix silk screen polarity markings on siren and strobe terminals

5 years agoupdate copyright assertion to 2019
Bdale Garbee [Sat, 9 Feb 2019 23:36:52 +0000 (16:36 -0700)]
update copyright assertion to 2019

5 years agoroute complete, drc clean, could use copper massaging at some point
Bdale Garbee [Wed, 5 Dec 2018 20:30:18 +0000 (13:30 -0700)]
route complete, drc clean, could use copper massaging at some point

5 years agoa pile more work on the layout
Bdale Garbee [Wed, 5 Dec 2018 08:40:40 +0000 (01:40 -0700)]
a pile more work on the layout

5 years agosnapshot massive amounts of work today on new board layout
Bdale Garbee [Wed, 5 Dec 2018 04:11:21 +0000 (21:11 -0700)]
snapshot massive amounts of work today on new board layout

5 years agoinitial cut at schematic for test stand v3, still needs control outputs
Bdale Garbee [Sat, 24 Nov 2018 17:07:39 +0000 (10:07 -0700)]
initial cut at schematic for test stand v3, still needs control outputs