summary |
shortlog | log |
commit |
commitdiff |
tree
first ⋅ prev ⋅ next
Bdale Garbee [Fri, 18 Sep 2020 23:20:10 +0000 (17:20 -0600)]
Merge branch 'master' of ssh://git.gag.com/scm/git/hw/fctester into master
Bdale Garbee [Fri, 18 Sep 2020 23:19:46 +0000 (17:19 -0600)]
rationalize part values vs preferred-parts
Keith Packard [Sun, 28 Jul 2019 00:06:08 +0000 (17:06 -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. The SI LM293
comparators are rated at 4mA current, unlike the TI parts which are
rated at 6mA, hence the move from 549 to 1k.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Mon, 13 Jan 2014 21:25:49 +0000 (14:25 -0700)]
we don't have bottom side silk
Bdale Garbee [Mon, 13 Jan 2014 05:57:16 +0000 (22:57 -0700)]
move beeper farther from pogo pins
Bdale Garbee [Mon, 13 Jan 2014 05:52:58 +0000 (22:52 -0700)]
put beeper on a timer output
Bdale Garbee [Mon, 13 Jan 2014 03:33:49 +0000 (20:33 -0700)]
first version of test fixture for Altus Metrum flight computers