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git.gag.com Git - hw/telemetrum/log
Bdale Garbee [Mon, 2 Nov 2009 08:01:55 +0000 (01:01 -0700)]
board routed, many DRC issues resolved, some remain
Bdale Garbee [Sun, 1 Nov 2009 10:48:14 +0000 (03:48 -0700)]
pcb routed, but various drc errors still exist
Bdale Garbee [Sun, 1 Nov 2009 08:37:53 +0000 (01:37 -0700)]
oops, fix duplicate refdes on new cap
Bdale Garbee [Sun, 1 Nov 2009 08:35:43 +0000 (01:35 -0700)]
add 1uF bypass cap adjacent to new ldo output as per data sheet
Bdale Garbee [Sun, 1 Nov 2009 08:15:16 +0000 (01:15 -0700)]
change 3.3V LDO to a 100mA CMOS part to support GPS chip's 28mA
Bdale Garbee [Sun, 1 Nov 2009 07:09:44 +0000 (01:09 -0600)]
rename telemetrum.bom to partslist to avoid conflict with pcb export
Bdale Garbee [Sun, 1 Nov 2009 07:02:03 +0000 (01:02 -0600)]
note name conflict between my .bom file and PCB export for XYRS data
Bdale Garbee [Sun, 1 Nov 2009 06:47:44 +0000 (00:47 -0600)]
add datasheets and other relevant misc files to git repo
Bdale Garbee [Sun, 1 Nov 2009 06:11:47 +0000 (00:11 -0600)]
snapshot work in progress on v0.2
Bdale Garbee [Fri, 30 Oct 2009 10:37:23 +0000 (19:37 +0900)]
snapshot, on 777 between KIX and SFO
Bdale Garbee [Sat, 24 Oct 2009 01:48:57 +0000 (10:48 +0900)]
change schematic to use Skytraq Venus GPS modules as our baseline choice
Bdale Garbee [Fri, 23 Oct 2009 12:34:12 +0000 (21:34 +0900)]
snapshot of work in process
Bdale Garbee [Thu, 22 Oct 2009 06:47:22 +0000 (15:47 +0900)]
snapshot
Bdale Garbee [Mon, 12 Oct 2009 18:29:30 +0000 (12:29 -0600)]
work in process on revising the pcb artwork for v0.2
does not yet reflect picoblade to picoflex connector change
does not yet have USB connector moved in from edge
not convinced there's enough mechanical clearance around the 5010 yet
Bdale Garbee [Sun, 11 Oct 2009 04:58:55 +0000 (22:58 -0600)]
reslice bom content
Bdale Garbee [Sun, 11 Oct 2009 04:48:52 +0000 (22:48 -0600)]
tweaking
Bdale Garbee [Sun, 11 Oct 2009 04:04:39 +0000 (22:04 -0600)]
updating schematic to capture current thinking towards v0.2
Bdale Garbee [Sat, 10 Oct 2009 22:47:03 +0000 (16:47 -0600)]
revert pcb artwork to v0.1 for now
Bdale Garbee [Sat, 10 Oct 2009 22:44:55 +0000 (16:44 -0600)]
restored beeper replacing one LED, numerous small changes
Bdale Garbee [Sat, 10 Oct 2009 13:57:29 +0000 (07:57 -0600)]
pondering TP guts and such in Notebook file
Bdale Garbee [Tue, 15 Sep 2009 23:46:13 +0000 (17:46 -0600)]
DigiKey orders
Bdale Garbee [Sat, 8 Aug 2009 13:55:02 +0000 (07:55 -0600)]
placed another DigiKey parts order
Also ordered 100 pieces MAX1555 at $1.34/ea plus shipping directly from Maxim
since DigiKey still isn't stocking them for some reason.
Bdale Garbee [Tue, 25 Aug 2009 22:40:02 +0000 (16:40 -0600)]
PCB changes to account for FET swap
Bdale Garbee [Tue, 25 Aug 2009 20:10:01 +0000 (14:10 -0600)]
move from FDN335N discrete FETs to FDS9926A dual FET for ejection control
Bdale Garbee [Sat, 8 Aug 2009 14:21:28 +0000 (08:21 -0600)]
remove accidentally dragged in 5-pin version of J6 from cherry-pick
Bdale Garbee [Sat, 8 Aug 2009 14:14:23 +0000 (08:14 -0600)]
Merged in the two changes from 'nextcut' branch necessary to make a v0.1
board actually work. Changing schematic version to 0.1.1 to reflect that
this includes rework on v0.1 PCB, not v0.2.
This now represents what we're actually flying. v0.1 PCB artwork and a
schematic that includes the two cuts and jumps for the memory chip select
fix and the two additional resistors for the igniter sense circuit.
Bdale Garbee [Fri, 27 Mar 2009 07:54:27 +0000 (01:54 -0600)]
fix for igniter continuity sense, requires adding a resistor from each sense
line to ground to establish a voltage divider so that we don't overdrive the
ADC inputs. values chosen to allow up to 15V pyro battery.
Bdale Garbee [Wed, 18 Mar 2009 07:02:12 +0000 (01:02 -0600)]
We need to be able to control the chip select input on the SPI EEPROM part.
To free up a gpio for this, we lose the ability to put the accel into self
test mode. Change made to schematic only, title block updated for v0.2
Bdale Garbee [Sat, 8 Aug 2009 13:55:02 +0000 (07:55 -0600)]
placed another DigiKey parts order
Also ordered 100 pieces MAX1555 at $1.34/ea plus shipping directly from Maxim
since DigiKey still isn't stocking them for some reason.
Bdale Garbee [Thu, 6 Aug 2009 21:31:28 +0000 (15:31 -0600)]
work in progress
Bdale Garbee [Tue, 30 Jun 2009 04:44:35 +0000 (01:44 -0300)]
document gps default settings with a text note
Bdale Garbee [Tue, 30 Jun 2009 04:21:30 +0000 (01:21 -0300)]
make gps default be 4k8 NMEA just like SF board, since we can change using the
protocol to SIRF at higher rate if desired
Bdale Garbee [Wed, 3 Jun 2009 14:59:06 +0000 (08:59 -0600)]
add a silk screen block near the GPS antenna for recording serial number
Bdale Garbee [Tue, 2 Jun 2009 09:59:08 +0000 (03:59 -0600)]
clear out planes under the GPS antenna
Bdale Garbee [Tue, 2 Jun 2009 09:40:58 +0000 (03:40 -0600)]
working on layout with GPS ... add 0.25 inches to length, all parts placed
Bdale Garbee [Tue, 2 Jun 2009 00:50:35 +0000 (18:50 -0600)]
work in progress on schematics and notes for version with GPS aboard
Bdale Garbee [Mon, 1 Jun 2009 22:54:50 +0000 (16:54 -0600)]
add J7 serial connector back in as optional, fix pinout to match SparkFun
tiny GPS boards since they're the most likely off-board things to attach
Bdale Garbee [Mon, 1 Jun 2009 22:47:49 +0000 (16:47 -0600)]
capture Notebook in git, add SMA option to GPS receiver
Bdale Garbee [Wed, 27 May 2009 23:50:06 +0000 (17:50 -0600)]
fix all DRC issues
Bdale Garbee [Wed, 27 May 2009 23:18:12 +0000 (17:18 -0600)]
embed all the parts
Bdale Garbee [Wed, 27 May 2009 23:15:01 +0000 (17:15 -0600)]
added GPS receiver ... not all part attributes present yet
Bdale Garbee [Wed, 27 May 2009 20:42:34 +0000 (14:42 -0600)]
everything on the post-Mayhem to-do list except adding the GPS and antenna
Bdale Garbee [Wed, 27 May 2009 19:31:05 +0000 (13:31 -0600)]
eliminate beeper and temp sensor in favor of offboard SPI support
Bdale Garbee [Wed, 22 Apr 2009 19:05:31 +0000 (13:05 -0600)]
add connector for SPI channel to talk to companion boards
Bdale Garbee [Sun, 12 Apr 2009 21:34:24 +0000 (15:34 -0600)]
change R14,15 to 56k and change all K resistor value suffixes to k
Bdale Garbee [Mon, 30 Mar 2009 14:36:23 +0000 (08:36 -0600)]
add a text note regarding R14/15, R21/22 values on v0.1 reworked boards
Bdale Garbee [Fri, 27 Mar 2009 07:54:27 +0000 (01:54 -0600)]
fix for igniter continuity sense, requires adding a resistor from each sense
line to ground to establish a voltage divider so that we don't overdrive the
ADC inputs. values chosen to allow up to 15V pyro battery.
Bdale Garbee [Tue, 24 Mar 2009 15:41:41 +0000 (09:41 -0600)]
replace debug connector with a 5-pin Molex 1.25mm pitch box header, with
pinout changed to allow back to back mating of two TeleMetrum boards using
one to debug code on the other ... NEEDS REVIEW
Bdale Garbee [Wed, 18 Mar 2009 07:02:12 +0000 (01:02 -0600)]
We need to be able to control the chip select input on the SPI EEPROM part.
To free up a gpio for this, we lose the ability to put the accel into self
test mode. Change made to schematic only, title block updated for v0.2
Bdale Garbee [Wed, 18 Mar 2009 06:55:03 +0000 (00:55 -0600)]
capture Makefile changes before branching
Bdale Garbee [Sun, 1 Mar 2009 19:52:49 +0000 (12:52 -0700)]
fix DigiKey part numbers on C7, C14, C15, and C16, all of which were wrong
Bdale Garbee [Sun, 1 Mar 2009 17:56:31 +0000 (10:56 -0700)]
C8 had wrong DigiKey part number in metadata
Bdale Garbee [Fri, 26 Dec 2008 21:52:29 +0000 (14:52 -0700)]
argh, typo
Bdale Garbee [Fri, 26 Dec 2008 21:26:43 +0000 (14:26 -0700)]
updat DigiKey part numbers of 2 caps from 1206 to 0402 parts
Bdale Garbee [Fri, 26 Dec 2008 09:11:57 +0000 (02:11 -0700)]
open up clearances on the holes in the cc1111 footprint
Bdale Garbee [Fri, 26 Dec 2008 07:24:31 +0000 (00:24 -0700)]
holes in ground tab under CC1111 changed to solidly connect to ground plane
Bdale Garbee [Fri, 26 Dec 2008 05:52:56 +0000 (22:52 -0700)]
major update of CC1111 footprint to get mask and paste layers right
Bdale Garbee [Fri, 26 Dec 2008 00:30:42 +0000 (17:30 -0700)]
part and via shoves and other solder mask improvements from Andrew's review
Bdale Garbee [Wed, 24 Dec 2008 06:42:28 +0000 (23:42 -0700)]
add gate resistors, and swap FET drain and source to match corrected schematic
Bdale Garbee [Wed, 24 Dec 2008 01:31:45 +0000 (18:31 -0700)]
fix via mask clearance issues -- clean report from freedfm.com!
Bdale Garbee [Wed, 24 Dec 2008 01:30:48 +0000 (18:30 -0700)]
fix for regexp problem when pcb is named
Bdale Garbee [Wed, 24 Dec 2008 01:30:09 +0000 (18:30 -0700)]
panelization tools from DJ's directory on gedasymbols.org
Bdale Garbee [Tue, 23 Dec 2008 23:51:40 +0000 (16:51 -0700)]
adding more silkscreen labels
Bdale Garbee [Tue, 23 Dec 2008 23:41:53 +0000 (16:41 -0700)]
improve layout around CC1111 and get traces at least 10 mils from board edge
Bdale Garbee [Tue, 23 Dec 2008 22:12:39 +0000 (15:12 -0700)]
freshen U5 footprint to better match measured part dimensions ... data sheet
has conflicting information, and the footprint in the datasheet is just wrong
Bdale Garbee [Tue, 23 Dec 2008 21:03:37 +0000 (14:03 -0700)]
fix bottom layer ground plane around SMA connector, too!
Bdale Garbee [Tue, 23 Dec 2008 21:01:35 +0000 (14:01 -0700)]
updated netlist and pin names to match current schematic
Bdale Garbee [Tue, 23 Dec 2008 20:55:55 +0000 (13:55 -0700)]
ground plane around SMA connector corrected
Bdale Garbee [Tue, 23 Dec 2008 18:04:09 +0000 (11:04 -0700)]
mucho rework to fix accelerometer and SMA footprints, add planes around SMA,
and so on. also added labels for the various connectors on the back
Bdale Garbee [Tue, 23 Dec 2008 08:56:50 +0000 (01:56 -0700)]
fix several mask clearance issues
Bdale Garbee [Tue, 23 Dec 2008 08:28:16 +0000 (01:28 -0700)]
keep traces farther away from mounting holes, just for safety
Bdale Garbee [Tue, 23 Dec 2008 08:00:12 +0000 (01:00 -0700)]
tweaks identified during design review online with keithp
Bdale Garbee [Tue, 23 Dec 2008 06:37:30 +0000 (23:37 -0700)]
improved SuperSOT3 footprints
Bdale Garbee [Tue, 23 Dec 2008 05:38:33 +0000 (22:38 -0700)]
pull planes back to 10 mils from pcb edges to avoid shorts
Bdale Garbee [Tue, 23 Dec 2008 03:28:36 +0000 (20:28 -0700)]
fixes for DFM issues
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