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git.gag.com Git - hw/telemetrum/log
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Bdale Garbee [Sun, 21 Dec 2008 19:47:48 +0000 (12:47 -0700)]
use v_lipo not 3.3V for input to the 5V charge-pump regulator
Bdale Garbee [Sun, 21 Dec 2008 08:08:51 +0000 (01:08 -0700)]
add a pullup on the cc1111 RESET_N input even though we probably don't need it
Bdale Garbee [Sun, 21 Dec 2008 07:16:58 +0000 (00:16 -0700)]
remove SMA connector from solder paste gerber layer
Bdale Garbee [Sat, 20 Dec 2008 23:42:35 +0000 (16:42 -0700)]
tweaks before putting out for broader review
Bdale Garbee [Sat, 20 Dec 2008 17:21:34 +0000 (10:21 -0700)]
change to 4-lead symbol for SMT crystal, and get the pin numbers right
Bdale Garbee [Sat, 20 Dec 2008 15:46:27 +0000 (08:46 -0700)]
correct pin numbering on SOT23-5 footprint
Bdale Garbee [Sat, 20 Dec 2008 06:32:04 +0000 (23:32 -0700)]
add pin one spots in silkscreen for ICs that didn't have markings
Bdale Garbee [Sat, 20 Dec 2008 05:30:13 +0000 (22:30 -0700)]
update reference designators in pcb, and clean up resulting silk positioning
Bdale Garbee [Sat, 20 Dec 2008 04:57:53 +0000 (21:57 -0700)]
updated reference designators on schematic
Bdale Garbee [Sat, 20 Dec 2008 03:31:49 +0000 (20:31 -0700)]
add project name, copyright, and license assertion to the bottom side silk
Bdale Garbee [Fri, 19 Dec 2008 04:56:27 +0000 (21:56 -0700)]
no showstoppers in freedfm.com output any more
Bdale Garbee [Fri, 19 Dec 2008 01:52:08 +0000 (18:52 -0700)]
fix up a couple pad and mask dimension issues
Bdale Garbee [Fri, 19 Dec 2008 01:25:52 +0000 (18:25 -0700)]
add solder mask clearance holes for all vias, fix sma vias to match others
Bdale Garbee [Thu, 18 Dec 2008 01:51:45 +0000 (18:51 -0700)]
restore footprint attributes for the FETs
Bdale Garbee [Thu, 18 Dec 2008 01:51:17 +0000 (18:51 -0700)]
move temp sensor to avoid cp2103 debug interface when connected
Bdale Garbee [Wed, 17 Dec 2008 17:48:06 +0000 (10:48 -0700)]
add TAPR OHL license file
Bdale Garbee [Mon, 15 Dec 2008 07:58:22 +0000 (00:58 -0700)]
passes DRC in pcb, sent out to freedfm.com for analysis
Bdale Garbee [Sat, 13 Dec 2008 13:21:34 +0000 (06:21 -0700)]
dual ejection connector footprints, picoblade or screw terminal strip
Bdale Garbee [Thu, 11 Dec 2008 21:37:40 +0000 (14:37 -0700)]
move to four mounting holes, vertical battery connector
Bdale Garbee [Thu, 11 Dec 2008 15:41:24 +0000 (08:41 -0700)]
replaced serial connector with vertical through-hole picoblade variant
Bdale Garbee [Thu, 11 Dec 2008 02:19:46 +0000 (19:19 -0700)]
preparing to play some layout mind-games
Bdale Garbee [Mon, 8 Dec 2008 23:57:44 +0000 (16:57 -0700)]
add test points to two unconnected pins, fix pin numbers on dual LED symbol
Bdale Garbee [Mon, 8 Dec 2008 23:21:51 +0000 (16:21 -0700)]
working on pcb layout, initial parts placement done
Bdale Garbee [Sun, 7 Dec 2008 15:56:56 +0000 (08:56 -0700)]
rename project to 'telemetrum'
Bdale Garbee [Fri, 5 Dec 2008 09:36:13 +0000 (02:36 -0700)]
tweaking footprints, etc, as we get close to starting PCB layout
Bdale Garbee [Fri, 5 Dec 2008 01:43:22 +0000 (18:43 -0700)]
add attributes to the new charge pump chip
Bdale Garbee [Fri, 5 Dec 2008 01:29:00 +0000 (18:29 -0700)]
sort reference designators in bill of materials
Bdale Garbee [Fri, 5 Dec 2008 01:27:58 +0000 (18:27 -0700)]
switch 5V regulator to LTC part, use 33mA of its capacity to charge e-match cap
Bdale Garbee [Thu, 4 Dec 2008 23:43:38 +0000 (16:43 -0700)]
resequence ADC inputs to put highest rep rates on lowest numbered inputs
Bdale Garbee [Thu, 4 Dec 2008 21:05:16 +0000 (14:05 -0700)]
re-arrange pins to route both e-match sense lines to ADC inputs
Bdale Garbee [Thu, 4 Dec 2008 17:13:29 +0000 (10:13 -0700)]
changes in schematic inspired by PSAS design review. pull-downs on firing
lines, connecting self-test pin on the accelerometer, tweaking voltage
dividers to make better use of ADC 3.3V input range, etc
Bdale Garbee [Sun, 30 Nov 2008 14:39:28 +0000 (07:39 -0700)]
the MN5010HS needs more current than we can provide regulated, but can take
3.25 to 5.5 volts, so feed it directly from our LiPo battery
Bdale Garbee [Sat, 29 Nov 2008 22:21:38 +0000 (15:21 -0700)]
change serial port to a 4-pin connector with 3.3VDC on fourth pin, to allow
possible integration of SparkFun MN5010HS GPS board
Bdale Garbee [Tue, 18 Nov 2008 05:54:49 +0000 (22:54 -0700)]
snapshot before removing 18g accelerometer
Bdale Garbee [Tue, 18 Nov 2008 01:40:39 +0000 (18:40 -0700)]
adding 50g accelerometer circuit back in
Bdale Garbee [Tue, 18 Nov 2008 01:02:38 +0000 (18:02 -0700)]
snapshot before insertion
Bdale Garbee [Mon, 10 Nov 2008 05:05:02 +0000 (21:05 -0800)]
DigiKey part numbers for everything, some footprints still bogus
Bdale Garbee [Sun, 9 Nov 2008 04:28:52 +0000 (20:28 -0800)]
functionally complete, perhaps? messy designators, etc, still to resolve
Bdale Garbee [Sat, 8 Nov 2008 05:05:41 +0000 (21:05 -0800)]
cpu section more or less complete
Bdale Garbee [Sat, 8 Nov 2008 04:33:51 +0000 (20:33 -0800)]
initial snapshot after moving out of openalt directory