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git.gag.com Git - hw/telemetrum/log
Bdale Garbee [Tue, 25 Jan 2022 17:17:27 +0000 (10:17 -0700)]
shrink soldermask opening around GPS patch pad to avoid shorts
Bdale Garbee [Tue, 25 Jan 2022 17:08:23 +0000 (10:08 -0700)]
turn on solder paste for USB connector tabs
Bdale Garbee [Tue, 25 Jan 2022 17:04:11 +0000 (10:04 -0700)]
fix mounting hole thermal
Bdale Garbee [Mon, 24 Jan 2022 17:33:42 +0000 (10:33 -0700)]
improve copper
Bdale Garbee [Mon, 24 Jan 2022 09:35:56 +0000 (02:35 -0700)]
route complete, drc clean
Bdale Garbee [Mon, 24 Jan 2022 01:25:32 +0000 (18:25 -0700)]
work in progress
Bdale Garbee [Mon, 24 Jan 2022 00:53:33 +0000 (17:53 -0700)]
move to 7/5 signal traces, 10/25/5 signal vias
Bdale Garbee [Mon, 24 Jan 2022 00:47:29 +0000 (17:47 -0700)]
copper poly around USB connector for maximum adhesion, etc
Bdale Garbee [Mon, 24 Jan 2022 00:40:27 +0000 (17:40 -0700)]
work in progress
Bdale Garbee [Sun, 23 Jan 2022 18:55:13 +0000 (11:55 -0700)]
resolve all schematic DRC errors (mostly NC pins), rename serial nets
Bdale Garbee [Sun, 23 Jan 2022 18:44:53 +0000 (11:44 -0700)]
also connect accel int lines
Keith Packard [Sun, 23 Jan 2022 04:22:28 +0000 (20:22 -0800)]
Flip TXD/RXD to GPS chip
SERCOM can't send TXD to pad 1, only 0 or 2.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Sun, 23 Jan 2022 03:26:34 +0000 (20:26 -0700)]
schematic at "first cut" level for sam21d
Bdale Garbee [Sat, 22 Jan 2022 21:56:41 +0000 (14:56 -0700)]
work in progress .. lots and lots of copper cleanups prior to SOC routing
Bdale Garbee [Sat, 22 Jan 2022 20:36:23 +0000 (13:36 -0700)]
move board design to updated 4-layer template, move to latest 11071 footprint
Bdale Garbee [Fri, 18 Sep 2020 23:25:31 +0000 (17:25 -0600)]
rationalize screw strip value against preferred-parts
Bdale Garbee [Fri, 18 Sep 2020 19:30:15 +0000 (13:30 -0600)]
move LDO bulk cap to same 1206 footprint part used on *Mega to save money
Bdale Garbee [Mon, 18 May 2020 20:59:03 +0000 (14:59 -0600)]
let attribs be automatically handled
Bdale Garbee [Thu, 3 Oct 2019 18:41:34 +0000 (12:41 -0600)]
move to MAX-8Q GPS module, fix ADXL375 metadata
Bdale Garbee [Thu, 3 Oct 2019 17:30:30 +0000 (11:30 -0600)]
drop 'boot0' netname now that resistor is gone, so net remains 'GND'
Keith Packard [Thu, 26 Sep 2019 20:20:43 +0000 (13:20 -0700)]
Add slots in outline layer for USB connector stakes
Copied data from EasyMega
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Wed, 25 Sep 2019 06:45:02 +0000 (00:45 -0600)]
pcb passes DRC now
Bdale Garbee [Tue, 17 Sep 2019 06:59:20 +0000 (00:59 -0600)]
update copyright year and board version in silk
Bdale Garbee [Fri, 16 Aug 2019 15:29:43 +0000 (09:29 -0600)]
route complete, needs DRC and DFM work yet
Bdale Garbee [Fri, 16 Aug 2019 06:23:35 +0000 (00:23 -0600)]
updated parts placement on pcb .. not routed yet
Bdale Garbee [Fri, 16 Aug 2019 05:59:39 +0000 (23:59 -0600)]
move to 4ucon 11071 micro USB connector
Bdale Garbee [Fri, 16 Aug 2019 05:58:53 +0000 (23:58 -0600)]
move to ADXL375
Bdale Garbee [Fri, 16 Aug 2019 05:52:58 +0000 (23:52 -0600)]
working on TeleMetrum v3.0 .. first step, move to cc1200
Bdale Garbee [Fri, 16 Aug 2019 05:44:58 +0000 (23:44 -0600)]
move workflow from gEDA to lepton-eda -> pcb-rnd
Keith Packard [Sat, 27 Jul 2019 23:51:02 +0000 (16:51 -0700)]
Switch pyro series resistors to 1k
This limits the current through the comparator to 3.3mA when it fires
to make sure the gate voltage on the FET is low enough.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Wed, 8 May 2019 22:58:30 +0000 (16:58 -0600)]
should at least move the schematic version assertion from 1.9 to 2.0!
Bdale Garbee [Sun, 1 Apr 2018 04:09:25 +0000 (22:09 -0600)]
drop lipo charge current to 400mA
Bdale Garbee [Thu, 15 Mar 2018 16:29:42 +0000 (10:29 -0600)]
deliver both silkscreens
Bdale Garbee [Mon, 7 Aug 2017 03:57:38 +0000 (20:57 -0700)]
be consistent about thermaling mounting holes on UHF end of the board
Bdale Garbee [Mon, 26 Oct 2015 03:00:10 +0000 (12:00 +0900)]
move to preferred parts database
Bdale Garbee [Mon, 26 Oct 2015 02:49:48 +0000 (11:49 +0900)]
more attribute updates for preferred parts
Bdale Garbee [Mon, 26 Oct 2015 02:44:35 +0000 (11:44 +0900)]
regularize metadata on saw filter for preferred parts database
Bdale Garbee [Mon, 26 Oct 2015 02:36:01 +0000 (11:36 +0900)]
move to new attribs file for preferred parts database
Keith Packard [Sun, 26 Oct 2014 22:21:06 +0000 (15:21 -0700)]
Buy STM32L151CBU6 from newark
avnet is out of stock this week
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 26 Oct 2014 21:28:19 +0000 (14:28 -0700)]
Switch to Mouser for LM293QT parts
Digikey is out of stock
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 26 Oct 2014 20:43:50 +0000 (13:43 -0700)]
Update 5.1pF and 10pF caps to available Murata part numbers
5.1 pF changes from DK part 490-3208-1-ND to 490-5945-1-ND
10 pF changes from DK part 490-1278-1-ND to 490-5921-1-ND
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Sun, 26 Oct 2014 19:54:24 +0000 (13:54 -0600)]
update copyright year in the silk
Bdale Garbee [Mon, 15 Sep 2014 16:55:08 +0000 (10:55 -0600)]
move GPS chip and SAW filter 30 mils farther from GPS patch pin
Bdale Garbee [Sat, 15 Feb 2014 23:17:17 +0000 (16:17 -0700)]
add code to emit pdf schematics and artwork
Bdale Garbee [Thu, 16 Jan 2014 01:39:18 +0000 (18:39 -0700)]
update BOM to reflect actual accel part we're using
Bdale Garbee [Fri, 27 Dec 2013 05:29:07 +0000 (22:29 -0700)]
pull inner layers back 15 mils from board edge per AC
Bdale Garbee [Fri, 27 Dec 2013 05:27:39 +0000 (22:27 -0700)]
update capacitor part numbers to match currently available parts
Bdale Garbee [Thu, 19 Dec 2013 22:26:50 +0000 (15:26 -0700)]
lose the "pad" in the GPS patch footprint
Bdale Garbee [Thu, 19 Dec 2013 22:17:59 +0000 (15:17 -0700)]
mark all through-hole parts as no-load for AC build of v2.0
Bdale Garbee [Wed, 11 Dec 2013 08:46:27 +0000 (01:46 -0700)]
forward annotate component attributes to pcb file
Bdale Garbee [Wed, 11 Dec 2013 08:44:52 +0000 (01:44 -0700)]
update PCB silk to say version 2.0
Bdale Garbee [Wed, 11 Dec 2013 06:24:30 +0000 (23:24 -0700)]
update u-blox part number
Bdale Garbee [Mon, 9 Dec 2013 07:29:05 +0000 (00:29 -0700)]
use 4ucon screw terminal strip, cheaper patch that works
Keith Packard [Tue, 20 Aug 2013 16:40:00 +0000 (09:40 -0700)]
Route beeper pin change
Signed-off-by: Keith Packard <keithp@keithp.com>
Conflicts:
telemetrum.sch
Bdale Garbee [Tue, 20 Aug 2013 17:12:40 +0000 (11:12 -0600)]
hook beeper to a timer output at Keith's request
Keith Packard [Mon, 12 Aug 2013 08:59:46 +0000 (10:59 +0200)]
Add DK and Mouser BOM generators
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Fri, 9 Aug 2013 18:23:32 +0000 (14:23 -0400)]
clean up silk, etc
Bdale Garbee [Fri, 9 Aug 2013 17:47:03 +0000 (13:47 -0400)]
fix stm footprint via clearance issue, etc
Bdale Garbee [Fri, 9 Aug 2013 14:37:07 +0000 (08:37 -0600)]
significant placement and copper rework in the UHF section
Bdale Garbee [Thu, 8 Aug 2013 16:07:42 +0000 (10:07 -0600)]
more copper shoving
Keith Packard [Thu, 8 Aug 2013 09:29:57 +0000 (11:29 +0200)]
Move SPI bus wiring from E of cc1120 to W.
This leaves a cleaner ground plane under the RF section, and reduces
the possibility of RF interference on the SPI link.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Thu, 8 Aug 2013 09:05:25 +0000 (11:05 +0200)]
Add more grounding under 70cm RF section
Expand "power" plane to the edges of the board.
Add ground plane on the top and signal layers.
Stitch things together.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Thu, 8 Aug 2013 07:47:55 +0000 (01:47 -0600)]
a number of copper tweaks .. more to do tomorrow
Keith Packard [Wed, 7 Aug 2013 15:11:45 +0000 (17:11 +0200)]
Change comparator dividers to hit 3.52V v_ldo_in before shutting down igniter
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Wed, 7 Aug 2013 13:42:10 +0000 (15:42 +0200)]
Change resistors to panasonic. Change LED current limit to 1k.
Yeah, yeah, two changes, one patch.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Tue, 6 Aug 2013 13:38:21 +0000 (15:38 +0200)]
Split power plane to provide ground under 70cm RF section
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 5 Aug 2013 17:55:54 +0000 (19:55 +0200)]
route complete
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 5 Aug 2013 17:42:08 +0000 (19:42 +0200)]
Clean up DRC errors
A few traces were a bit too close
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 5 Aug 2013 15:39:20 +0000 (17:39 +0200)]
Checkout - 16 rats left, but a few DRC errors
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 5 Aug 2013 08:41:42 +0000 (10:41 +0200)]
Swapped the comparator slots
This makes the layout easier, lining the comparator outputs with the
FET inputs.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 5 Aug 2013 08:26:39 +0000 (10:26 +0200)]
Finish first route of SPI links to flash. Route USB.
The east side of the board is pretty close to route complete.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 5 Aug 2013 07:19:49 +0000 (09:19 +0200)]
Routed GPS serial and MS5607 SPI lines.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Mon, 5 Aug 2013 06:12:34 +0000 (00:12 -0600)]
thermal the other two mounting holes
Bdale Garbee [Mon, 5 Aug 2013 06:04:21 +0000 (00:04 -0600)]
update pcb to reflect removal of C600
Bdale Garbee [Mon, 5 Aug 2013 06:02:17 +0000 (00:02 -0600)]
Merge branch 'master' of ssh://git.gag.com/scm/git/hw/telemetrum
Bdale Garbee [Mon, 5 Aug 2013 06:01:59 +0000 (00:01 -0600)]
omit spurious bypass cap
Keith Packard [Mon, 5 Aug 2013 04:59:21 +0000 (06:59 +0200)]
Keithp's attempt at starting to route this board
Everything is placed, some things are routed.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Sun, 4 Aug 2013 19:53:48 +0000 (13:53 -0600)]
snapshot
Bdale Garbee [Sun, 4 Aug 2013 17:40:24 +0000 (11:40 -0600)]
the CPU is a lot cheaper at Avnet than at DK
Bdale Garbee [Sun, 4 Aug 2013 08:10:07 +0000 (02:10 -0600)]
switch to taoglas 18.4 patch
Bdale Garbee [Thu, 1 Aug 2013 03:37:30 +0000 (21:37 -0600)]
snapshot
Bdale Garbee [Thu, 30 May 2013 04:27:44 +0000 (22:27 -0600)]
passive patch only, simplify GPS reset as per latest TeleMega results
Bdale Garbee [Thu, 30 May 2013 04:24:02 +0000 (22:24 -0600)]
change radio to cc1120
Bdale Garbee [Sun, 5 May 2013 15:32:48 +0000 (09:32 -0600)]
data sheets that matter should be in the shared repo
Bdale Garbee [Sun, 5 May 2013 15:31:18 +0000 (09:31 -0600)]
work done on CLE->DEN flight
Bdale Garbee [Sun, 5 May 2013 14:02:44 +0000 (08:02 -0600)]
lock holes and usb connector placement
Bdale Garbee [Sun, 5 May 2013 04:03:17 +0000 (22:03 -0600)]
snapshot
Bdale Garbee [Thu, 2 May 2013 18:46:35 +0000 (12:46 -0600)]
snapshot work done on DEN->CLE flight
Bdale Garbee [Thu, 2 May 2013 17:35:30 +0000 (11:35 -0600)]
move to the smaller 48 lead STM package ala TeleGPS
Bdale Garbee [Thu, 2 May 2013 17:26:41 +0000 (11:26 -0600)]
first stab at next-gen TeleMetrum based on a subset of TeleMega parts
Bdale Garbee [Thu, 2 May 2013 17:04:01 +0000 (11:04 -0600)]
move to common shared symbols library
Bdale Garbee [Thu, 2 May 2013 16:58:22 +0000 (10:58 -0600)]
move Makefile and project config to best practices
Bdale Garbee [Fri, 15 Feb 2013 21:55:48 +0000 (14:55 -0700)]
move to shared scheme dir, etc
Bdale Garbee [Tue, 11 Dec 2012 16:58:10 +0000 (09:58 -0700)]
move to local copy of partslistgag script
Bdale Garbee [Sat, 8 Dec 2012 23:44:15 +0000 (16:44 -0700)]
change GPS DC bias inductor to 47nH to lower SRF so 17E patches work
Bdale Garbee [Sat, 8 Dec 2012 23:42:29 +0000 (16:42 -0700)]
move flash data sheet to the right place
Bdale Garbee [Fri, 28 Sep 2012 13:03:10 +0000 (07:03 -0600)]
part obsoleted, this is an acceptable replacement
Bdale Garbee [Fri, 28 Sep 2012 12:58:40 +0000 (06:58 -0600)]
these parts are in stock and cheaper at Mouser right now
Bdale Garbee [Fri, 28 Sep 2012 12:40:05 +0000 (06:40 -0600)]
move the tc2185 data sheet to the microchip sub-directory
Bdale Garbee [Fri, 28 Sep 2012 12:37:03 +0000 (06:37 -0600)]
DK has the MAX1555 in stock, load the other LDO bypass cap too this time