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hw/telemetrum
16 years agouse v_lipo not 3.3V for input to the 5V charge-pump regulator
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

16 years agoadd a pullup on the cc1111 RESET_N input even though we probably don't need it
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

16 years agoremove SMA connector from solder paste gerber layer
Bdale Garbee [Sun, 21 Dec 2008 07:16:58 +0000 (00:16 -0700)]
remove SMA connector from solder paste gerber layer

16 years agotweaks before putting out for broader review
Bdale Garbee [Sat, 20 Dec 2008 23:42:35 +0000 (16:42 -0700)]
tweaks before putting out for broader review

16 years agochange to 4-lead symbol for SMT crystal, and get the pin numbers right
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

16 years agocorrect pin numbering on SOT23-5 footprint
Bdale Garbee [Sat, 20 Dec 2008 15:46:27 +0000 (08:46 -0700)]
correct pin numbering on SOT23-5 footprint

16 years agoadd pin one spots in silkscreen for ICs that didn't have markings
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

16 years agoupdate reference designators in pcb, and clean up resulting silk positioning
Bdale Garbee [Sat, 20 Dec 2008 05:30:13 +0000 (22:30 -0700)]
update reference designators in pcb, and clean up resulting silk positioning

16 years agoupdated reference designators on schematic
Bdale Garbee [Sat, 20 Dec 2008 04:57:53 +0000 (21:57 -0700)]
updated reference designators on schematic

16 years agoadd project name, copyright, and license assertion to the bottom side silk
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

16 years agono showstoppers in freedfm.com output any more
Bdale Garbee [Fri, 19 Dec 2008 04:56:27 +0000 (21:56 -0700)]
no showstoppers in freedfm.com output any more

16 years agofix up a couple pad and mask dimension issues
Bdale Garbee [Fri, 19 Dec 2008 01:52:08 +0000 (18:52 -0700)]
fix up a couple pad and mask dimension issues

16 years agoadd solder mask clearance holes for all vias, fix sma vias to match others
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

16 years agorestore footprint attributes for the FETs
Bdale Garbee [Thu, 18 Dec 2008 01:51:45 +0000 (18:51 -0700)]
restore footprint attributes for the FETs

16 years agomove temp sensor to avoid cp2103 debug interface when connected
Bdale Garbee [Thu, 18 Dec 2008 01:51:17 +0000 (18:51 -0700)]
move temp sensor to avoid cp2103 debug interface when connected

16 years agoadd TAPR OHL license file
Bdale Garbee [Wed, 17 Dec 2008 17:48:06 +0000 (10:48 -0700)]
add TAPR OHL license file

16 years agopasses DRC in pcb, sent out to freedfm.com for analysis
Bdale Garbee [Mon, 15 Dec 2008 07:58:22 +0000 (00:58 -0700)]
passes DRC in pcb, sent out to freedfm.com for analysis

16 years agodual ejection connector footprints, picoblade or screw terminal strip
Bdale Garbee [Sat, 13 Dec 2008 13:21:34 +0000 (06:21 -0700)]
dual ejection connector footprints, picoblade or screw terminal strip

16 years agomove to four mounting holes, vertical battery connector
Bdale Garbee [Thu, 11 Dec 2008 21:37:40 +0000 (14:37 -0700)]
move to four mounting holes, vertical battery connector

16 years agoreplaced serial connector with vertical through-hole picoblade variant
Bdale Garbee [Thu, 11 Dec 2008 15:41:24 +0000 (08:41 -0700)]
replaced serial connector with vertical through-hole picoblade variant

16 years agopreparing to play some layout mind-games
Bdale Garbee [Thu, 11 Dec 2008 02:19:46 +0000 (19:19 -0700)]
preparing to play some layout mind-games

16 years agoadd test points to two unconnected pins, fix pin numbers on dual LED symbol
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

16 years agoworking on pcb layout, initial parts placement done
Bdale Garbee [Mon, 8 Dec 2008 23:21:51 +0000 (16:21 -0700)]
working on pcb layout, initial parts placement done

16 years agorename project to 'telemetrum'
Bdale Garbee [Sun, 7 Dec 2008 15:56:56 +0000 (08:56 -0700)]
rename project to 'telemetrum'

16 years agotweaking footprints, etc, as we get close to starting PCB layout
Bdale Garbee [Fri, 5 Dec 2008 09:36:13 +0000 (02:36 -0700)]
tweaking footprints, etc, as we get close to starting PCB layout

16 years agoadd attributes to the new charge pump chip
Bdale Garbee [Fri, 5 Dec 2008 01:43:22 +0000 (18:43 -0700)]
add attributes to the new charge pump chip

16 years agosort reference designators in bill of materials
Bdale Garbee [Fri, 5 Dec 2008 01:29:00 +0000 (18:29 -0700)]
sort reference designators in bill of materials

16 years agoswitch 5V regulator to LTC part, use 33mA of its capacity to charge e-match cap
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

16 years agoresequence ADC inputs to put highest rep rates on lowest numbered inputs
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

16 years agore-arrange pins to route both e-match sense lines to ADC 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

16 years agochanges in schematic inspired by PSAS design review. pull-downs on firing
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

16 years agothe MN5010HS needs more current than we can provide regulated, but can take
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

16 years agochange serial port to a 4-pin connector with 3.3VDC on fourth pin, to allow
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

16 years agosnapshot before removing 18g accelerometer
Bdale Garbee [Tue, 18 Nov 2008 05:54:49 +0000 (22:54 -0700)]
snapshot before removing 18g accelerometer

16 years agoadding 50g accelerometer circuit back in
Bdale Garbee [Tue, 18 Nov 2008 01:40:39 +0000 (18:40 -0700)]
adding 50g accelerometer circuit back in

16 years agosnapshot before insertion
Bdale Garbee [Tue, 18 Nov 2008 01:02:38 +0000 (18:02 -0700)]
snapshot before insertion

16 years agoDigiKey part numbers for everything, some footprints still bogus
Bdale Garbee [Mon, 10 Nov 2008 05:05:02 +0000 (21:05 -0800)]
DigiKey part numbers for everything, some footprints still bogus

16 years agofunctionally complete, perhaps? messy designators, etc, still to resolve
Bdale Garbee [Sun, 9 Nov 2008 04:28:52 +0000 (20:28 -0800)]
functionally complete, perhaps?  messy designators, etc, still to resolve

16 years agocpu section more or less complete
Bdale Garbee [Sat, 8 Nov 2008 05:05:41 +0000 (21:05 -0800)]
cpu section more or less complete

16 years agoinitial snapshot after moving out of openalt directory
Bdale Garbee [Sat, 8 Nov 2008 04:33:51 +0000 (20:33 -0800)]
initial snapshot after moving out of openalt directory