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hw/quantimotor
2 weeks agonote about moving from LPC to an FTDI part master
Bdale Garbee [Tue, 27 May 2025 19:59:10 +0000 (13:59 -0600)]
note about moving from LPC to an FTDI part

5 weeks agomove R17 so continuity sense when the box is safed works right
Bdale Garbee [Thu, 8 May 2025 00:38:04 +0000 (18:38 -0600)]
move R17 so continuity sense when the box is safed works right

5 weeks agocapture some more (incomplete) data on off-board parts
Bdale Garbee [Mon, 5 May 2025 23:27:25 +0000 (17:27 -0600)]
capture some more (incomplete) data on off-board parts

5 weeks agofix the one quick-disconnect tab that was on the wrong side of the board
Bdale Garbee [Mon, 5 May 2025 23:27:00 +0000 (17:27 -0600)]
fix the one quick-disconnect tab that was on the wrong side of the board

5 weeks agomore connector notes
Bdale Garbee [Mon, 5 May 2025 17:22:30 +0000 (11:22 -0600)]
more connector notes

6 weeks agoa few notes about connectors
Bdale Garbee [Sat, 26 Apr 2025 18:18:37 +0000 (12:18 -0600)]
a few notes about connectors

7 weeks agocapture last notes on v2p2 changes
Bdale Garbee [Sun, 20 Apr 2025 22:10:36 +0000 (16:10 -0600)]
capture last notes on v2p2 changes

7 weeks agolayout updated with all changes in schematic, drc clean fab-v2p2
Bdale Garbee [Sun, 20 Apr 2025 17:48:23 +0000 (11:48 -0600)]
layout updated with all changes in schematic, drc clean

7 weeks agoforward annotate changes to PCB, swapping ADC inputs for routing, update docs
Bdale Garbee [Sun, 20 Apr 2025 05:59:08 +0000 (23:59 -0600)]
forward annotate changes to PCB, swapping ADC inputs for routing, update docs

7 weeks agoreconfigure schematic to use ADS8688 for all analog inputs, comparator safe/arm
Bdale Garbee [Sat, 19 Apr 2025 19:39:20 +0000 (13:39 -0600)]
reconfigure schematic to use ADS8688 for all analog inputs, comparator safe/arm

7 weeks agodocument planned simplifications
Bdale Garbee [Sat, 19 Apr 2025 19:04:50 +0000 (13:04 -0600)]
document planned simplifications

7 weeks agoforward annotate metadata changes, place second protection zener
Bdale Garbee [Fri, 18 Apr 2025 21:43:36 +0000 (15:43 -0600)]
forward annotate metadata changes, place second protection zener

7 weeks agofix connector metadata to make new pref parts tools work right
Bdale Garbee [Fri, 18 Apr 2025 21:30:07 +0000 (15:30 -0600)]
fix connector metadata to make new pref parts tools work right

7 weeks agofirst stab at capturing info on some of the off-board parts needed
Bdale Garbee [Fri, 18 Apr 2025 21:27:02 +0000 (15:27 -0600)]
first stab at capturing info on some of the off-board parts needed

7 weeks agostash data sheet for strand burner filter
Bdale Garbee [Fri, 18 Apr 2025 21:25:51 +0000 (15:25 -0600)]
stash data sheet for strand burner filter

7 weeks agoadd a second zener on schematic to protect the pressure sensor input
Bdale Garbee [Fri, 18 Apr 2025 21:10:39 +0000 (15:10 -0600)]
add a second zener on schematic to protect the pressure sensor input

5 months agoforward annotate zener value change, update silk
Bdale Garbee [Wed, 8 Jan 2025 04:51:01 +0000 (21:51 -0700)]
forward annotate zener value change, update silk

5 months agouse 5.6V zener, just enough to ensure ADC can hit rail
Bdale Garbee [Wed, 8 Jan 2025 04:35:14 +0000 (21:35 -0700)]
use 5.6V zener, just enough to ensure ADC can hit rail

5 months agoswitch gain-setting resistor footprint for screw terminal strip
Bdale Garbee [Tue, 7 Jan 2025 20:45:09 +0000 (13:45 -0700)]
switch gain-setting resistor footprint for screw terminal strip

6 months agoforward annotate changes and update layout
Bdale Garbee [Sat, 7 Dec 2024 10:56:01 +0000 (03:56 -0700)]
forward annotate changes and update layout

6 months agoremove divider and jumper between load cell amp and ADC
Bdale Garbee [Sat, 7 Dec 2024 10:38:32 +0000 (03:38 -0700)]
remove divider and jumper between load cell amp and ADC

6 months agofix 5V regulator by sampling output side of inductor, switch zener to 15V
Bdale Garbee [Sat, 7 Dec 2024 00:41:00 +0000 (17:41 -0700)]
fix 5V regulator by sampling output side of inductor, switch zener to 15V

6 months agouse ADS8688
Bdale Garbee [Wed, 4 Dec 2024 20:59:10 +0000 (13:59 -0700)]
use ADS8688

6 months agodesign complete? route complete, drc clean fab-v2p1
Bdale Garbee [Sat, 30 Nov 2024 04:11:40 +0000 (23:11 -0500)]
design complete?  route complete, drc clean

6 months agoeverything important routed and drc clean
Bdale Garbee [Fri, 29 Nov 2024 04:27:37 +0000 (23:27 -0500)]
everything important routed and drc clean

6 months agosnapshot of work in process
Bdale Garbee [Thu, 28 Nov 2024 20:07:04 +0000 (15:07 -0500)]
snapshot of work in process

6 months agocapture work in-flight on schematics
Bdale Garbee [Tue, 26 Nov 2024 19:09:19 +0000 (12:09 -0700)]
capture work in-flight on schematics

6 months agoswitch to actual pizero footprint on bottom of board
Bdale Garbee [Sun, 17 Nov 2024 00:21:53 +0000 (17:21 -0700)]
switch to actual pizero footprint on bottom of board

6 months agopreliminary work on Pi 02W redesign capturing Pi connector location
Bdale Garbee [Sat, 16 Nov 2024 18:12:47 +0000 (11:12 -0700)]
preliminary work on Pi 02W redesign capturing Pi connector location

11 months agomore notes on switches, board geometry, etc
Bdale Garbee [Mon, 8 Jul 2024 18:36:22 +0000 (12:36 -0600)]
more notes on switches, board geometry, etc

11 months agoadd another jumper location for rst_n, declare v1.1
Bdale Garbee [Sun, 7 Jul 2024 22:49:30 +0000 (16:49 -0600)]
add another jumper location for rst_n, declare v1.1

11 months agochange design to specify the non-plus version of Omega 2S module
Bdale Garbee [Sun, 7 Jul 2024 00:40:42 +0000 (18:40 -0600)]
change design to specify the non-plus version of Omega 2S module

11 months agochange USB connector value to indicate vertical version for now
Bdale Garbee [Sun, 7 Jul 2024 00:20:35 +0000 (18:20 -0600)]
change USB connector value to indicate vertical version for now

11 months agoforward annotate cap value changes before hand loading first prototype
Bdale Garbee [Sat, 6 Jul 2024 20:57:35 +0000 (14:57 -0600)]
forward annotate cap value changes before hand loading first prototype

11 months agochange 22uF 1206 caps to 47uF for parts availability reasons, should work fine
Bdale Garbee [Sat, 6 Jul 2024 20:56:46 +0000 (14:56 -0600)]
change 22uF 1206 caps to 47uF for parts availability reasons, should work fine

11 months agochange I2C pullup resistor values to match HW Design Guide suggestions, add
Bdale Garbee [Thu, 27 Jun 2024 18:11:55 +0000 (12:11 -0600)]
change I2C pullup resistor values to match HW Design Guide suggestions, add
notes about things I might or might not have right, update schematic text
block about HW reset (which we're not even connecting) not being reliable on
the Plus version parts with the current design.

15 months agoadd SOM sda/scl to daughter card header, tweak clearances to clear DRC errors fab-v1p2
Bdale Garbee [Thu, 15 Feb 2024 18:17:27 +0000 (11:17 -0700)]
add SOM sda/scl to daughter card header, tweak clearances to clear DRC errors

16 months agoupdate copyright year
Bdale Garbee [Mon, 12 Feb 2024 06:33:31 +0000 (23:33 -0700)]
update copyright year

16 months agorationalize metadata, particularly capacitor footprints
Bdale Garbee [Wed, 7 Feb 2024 04:28:45 +0000 (21:28 -0700)]
rationalize metadata, particularly capacitor footprints

16 months agojust use LPC11U14 since the LPC11U12 we have are a different footprint
Bdale Garbee [Wed, 7 Feb 2024 03:12:10 +0000 (20:12 -0700)]
just use LPC11U14 since the LPC11U12 we have are a different footprint

19 months agorename v_lipo to v_slab since we're using an SLA battery, not a LiPo
Bdale Garbee [Sun, 22 Oct 2023 19:35:53 +0000 (13:35 -0600)]
rename v_lipo to v_slab since we're using an SLA battery, not a LiPo

2 years agobreak out the i2c between LPC and SOM too, to ease debugging
Bdale Garbee [Sun, 19 Feb 2023 22:56:01 +0000 (15:56 -0700)]
break out the i2c between LPC and SOM too, to ease debugging

2 years agoadd a 3-pin breakout for console serial between LPC and SOM
Bdale Garbee [Sun, 19 Feb 2023 22:42:52 +0000 (15:42 -0700)]
add a 3-pin breakout for console serial between LPC and SOM

2 years agoupdate ESD suppression note on schematic
Bdale Garbee [Sat, 4 Feb 2023 06:08:40 +0000 (23:08 -0700)]
update ESD suppression note on schematic

2 years agoimprove power switch tab locations, makes more room for polarity FET
Bdale Garbee [Sat, 4 Feb 2023 06:05:42 +0000 (23:05 -0700)]
improve power switch tab locations, makes more room for polarity FET

2 years agopcb updated to use push-push micro SD connector
Bdale Garbee [Fri, 3 Feb 2023 19:20:33 +0000 (12:20 -0700)]
pcb updated to use push-push micro SD connector

2 years agomove led_health to lpc11u12 so the last stacking connector pin can have a gpio
Bdale Garbee [Fri, 3 Feb 2023 01:37:25 +0000 (18:37 -0700)]
move led_health to lpc11u12 so the last stacking connector pin can have a gpio

2 years agoadd a force-uboot jumper so we can re-flash SOM
Bdale Garbee [Wed, 1 Feb 2023 18:50:44 +0000 (11:50 -0700)]
add a force-uboot jumper so we can re-flash SOM

2 years agoupdate drill_top.gnumeric to reflect QuantiMotor v1p2 hole locations
Bdale Garbee [Mon, 12 Dec 2022 06:33:01 +0000 (23:33 -0700)]
update drill_top.gnumeric to reflect QuantiMotor v1p2 hole locations

2 years agoreplace ldo with switcher for 3.3V rail, lots of copper work
Bdale Garbee [Mon, 12 Dec 2022 06:19:51 +0000 (23:19 -0700)]
replace ldo with switcher for 3.3V rail, lots of copper work

2 years agoroute complete except for stacking connector
Bdale Garbee [Wed, 7 Dec 2022 04:28:06 +0000 (21:28 -0700)]
route complete except for stacking connector

2 years agoresolved all refdes conflicts
Bdale Garbee [Mon, 5 Dec 2022 17:38:55 +0000 (10:38 -0700)]
resolved all refdes conflicts

2 years agorewind board artwork to 'wifi' version until schematic passes DRC
Bdale Garbee [Mon, 5 Dec 2022 16:29:07 +0000 (09:29 -0700)]
rewind board artwork to 'wifi' version until schematic passes DRC

2 years agomore schematic work
Bdale Garbee [Mon, 5 Dec 2022 16:27:09 +0000 (09:27 -0700)]
more schematic work

2 years agowork in progress
Bdale Garbee [Mon, 5 Dec 2022 09:41:00 +0000 (02:41 -0700)]
work in progress

2 years agoadditional wifi module connections keithp wants wifi
Bdale Garbee [Mon, 5 Dec 2022 06:09:11 +0000 (23:09 -0700)]
additional wifi module connections keithp wants

2 years agoa bunch of copper cleanups, silk improvements, etc
Bdale Garbee [Wed, 30 Nov 2022 05:03:55 +0000 (22:03 -0700)]
a bunch of copper cleanups, silk improvements, etc

2 years agoset divider resistor values to match what worked on first test stand
Bdale Garbee [Tue, 29 Nov 2022 05:24:52 +0000 (22:24 -0700)]
set divider resistor values to match what worked on first test stand

2 years agoadd resistor divider on INA125 output in case problem is min required load?
Bdale Garbee [Tue, 29 Nov 2022 05:18:28 +0000 (22:18 -0700)]
add resistor divider on INA125 output in case problem is min required load?

2 years agoroute complete .. needs review and copper improvement
Bdale Garbee [Tue, 29 Nov 2022 04:52:17 +0000 (21:52 -0700)]
route complete .. needs review and copper improvement

2 years agowork in progress .. route complete except stacking connector
Bdale Garbee [Mon, 28 Nov 2022 00:11:50 +0000 (17:11 -0700)]
work in progress .. route complete except stacking connector

2 years agowork in progress
Bdale Garbee [Sun, 27 Nov 2022 16:10:44 +0000 (09:10 -0700)]
work in progress

2 years agowork in process, added wifi module
Bdale Garbee [Fri, 25 Nov 2022 05:52:48 +0000 (22:52 -0700)]
work in process, added wifi module

2 years agowork in progress, finished connecting microSD socket
Bdale Garbee [Thu, 24 Nov 2022 05:34:14 +0000 (22:34 -0700)]
work in progress, finished connecting microSD socket

2 years agowork in progress .. ADC updated, RGB LED for wifi
Bdale Garbee [Thu, 24 Nov 2022 05:24:04 +0000 (22:24 -0700)]
work in progress .. ADC updated, RGB LED for wifi

2 years agowork in progress
Bdale Garbee [Thu, 24 Nov 2022 01:56:25 +0000 (18:56 -0700)]
work in progress

2 years agostarting conversion to QuantiStatic
Bdale Garbee [Wed, 23 Nov 2022 16:13:51 +0000 (09:13 -0700)]
starting conversion to QuantiStatic

2 years agomore notes
Bdale Garbee [Sun, 13 Nov 2022 19:12:37 +0000 (12:12 -0700)]
more notes

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

3 years 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

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

3 years 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

4 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

4 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

4 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

4 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

4 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

4 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

4 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

4 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

4 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?

4 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

4 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

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

4 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

4 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

4 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

4 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

4 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

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

4 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?

4 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

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

4 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

4 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

4 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

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

5 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

5 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

6 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