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Keith Packard [Thu, 19 Sep 2013 19:19:10 +0000 (14:19 -0500)]
Change LDO to 3.3V. Fix xtal loading caps.
Resistor parts also updated to use our common panasonic type.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 9 Sep 2013 00:23:03 +0000 (17:23 -0700)]
Change to v1.0. Add silk block for serial.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 24 Jun 2013 18:09:50 +0000 (11:09 -0700)]
Connect USB pull-up to GPIO PI0_20
This lets the CPU control when to connect to the USB bus, which is
necessary for the boot loader
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Fri, 21 Jun 2013 06:06:20 +0000 (23:06 -0700)]
Replace the regulator with a 3.0V LD2980. Reduce igniter shut-off gap
Switching to a 3.0V regulator and reducing the igniter shut-off gap
both serve to let the board run on significantly lower battery
voltage, down from 3.9V to 3.4V.
The LD2980 doesn't have a bypass pin, so the 470pF cap was
removed.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 20 May 2013 06:21:19 +0000 (23:21 -0700)]
Move pyro firing pins away from the I2C lines
The I2C pins are open-drain, making them unable to fire igniters. Move
the igniters to PIO0_2 and PIO0_3.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 6 May 2013 01:22:59 +0000 (18:22 -0700)]
Rotate ballast cap around so GND faces the mounting hole
This should reduce the chances of a mounting screw shorting out the
ballast cap and crow-baring the board.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Tue, 30 Apr 2013 08:14:29 +0000 (01:14 -0700)]
Add DK part numbers for remaining resistors
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 22 Apr 2013 15:05:55 +0000 (10:05 -0500)]
Slide 'EasyMini' label over a bit
Now that it's shorter, move it right.
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Mon, 22 Apr 2013 14:54:10 +0000 (08:54 -0600)]
rename EasyMetrum to EasyMini
Bdale Garbee [Wed, 17 Apr 2013 22:26:15 +0000 (15:26 -0700)]
update version to 0.2, adding LiPo connector in parallel with battery screws
Keith Packard [Sat, 23 Mar 2013 17:59:02 +0000 (10:59 -0700)]
Add (optional) LiPo battery connector. Unrouted.
We can load this to make using a standard AM lipo battery easier.
Just stuck it somewhere on the board to make sure the footprint was right
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Sat, 23 Mar 2013 00:09:37 +0000 (18:09 -0600)]
all the footprints we need are in the shared altusmetrum repo now
Keith Packard [Fri, 22 Mar 2013 17:36:02 +0000 (10:36 -0700)]
Update PCB to reflect the LPC11U14 part number change
Make sure we use the FHI variant name everywhere.
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Fri, 22 Mar 2013 17:24:57 +0000 (10:24 -0700)]
Switch LPC11U4 from 7x7mm package to 5x5mm package
LPC11U14FHI33/201 is the 5x5 package
LPC11U14FHN33/201 is the 7x7 package
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Fri, 22 Mar 2013 17:02:18 +0000 (11:02 -0600)]
move sense_bat divider to v_ldo_in so we can claim reverse polarity protection
Bdale Garbee [Wed, 20 Mar 2013 22:54:41 +0000 (16:54 -0600)]
add more junk to the .gitignore
Bdale Garbee [Wed, 20 Mar 2013 22:53:53 +0000 (16:53 -0600)]
add oshpark target, put 'make all' back to keithp's preferred mode
Bdale Garbee [Wed, 20 Mar 2013 20:49:19 +0000 (14:49 -0600)]
move to corrected 8ufson2x2 footprint
Keith Packard [Wed, 20 Mar 2013 19:37:43 +0000 (12:37 -0700)]
Shuffle refdes around on the PCB
Try to make it look decent. Would be nice to just hide these somehow...
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Wed, 20 Mar 2013 18:10:30 +0000 (12:10 -0600)]
lots of copper tweaking to improve ground plane, etc
Keith Packard [Wed, 20 Mar 2013 17:35:10 +0000 (10:35 -0700)]
Fix C8 VIA thermal. Shuffle LDO N a bit
LDO position is now constrained by routing power out of it SE
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Wed, 20 Mar 2013 17:13:18 +0000 (11:13 -0600)]
improve the crystal position slightly
Bdale Garbee [Wed, 20 Mar 2013 17:04:52 +0000 (11:04 -0600)]
move to a picoblade for the debug connector
Keith Packard [Wed, 20 Mar 2013 16:41:34 +0000 (09:41 -0700)]
Switch crystal to 12MHz ABM8G
Suggested frequency in the cheap line
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Wed, 20 Mar 2013 08:13:43 +0000 (02:13 -0600)]
clean up copyright silk
Bdale Garbee [Wed, 20 Mar 2013 08:12:16 +0000 (02:12 -0600)]
change version back to v0.1
Bdale Garbee [Wed, 20 Mar 2013 08:06:54 +0000 (02:06 -0600)]
route complete, drc clean
Bdale Garbee [Wed, 20 Mar 2013 04:55:36 +0000 (22:55 -0600)]
real values in resistor dividers
Bdale Garbee [Wed, 20 Mar 2013 04:50:19 +0000 (22:50 -0600)]
add Bdale to silkscreen copyright, improve silk in other ways
Bdale Garbee [Wed, 20 Mar 2013 04:41:11 +0000 (22:41 -0600)]
put symversions back that got deleted by accident
Bdale Garbee [Wed, 20 Mar 2013 04:36:38 +0000 (22:36 -0600)]
more attributes, etc .. don't do *everything* on 'make all'
Bdale Garbee [Wed, 20 Mar 2013 04:20:26 +0000 (22:20 -0600)]
significant rework by bdale .. new pyro circuit, revised cpu symbol, etc
Keith Packard [Mon, 18 Mar 2013 16:38:09 +0000 (09:38 -0700)]
Clean up mask violations in LPC11U14 footprint. Hide attributes
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 18 Mar 2013 05:13:06 +0000 (22:13 -0700)]
Add vendor part numbers to everything
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Mon, 18 Mar 2013 04:07:24 +0000 (21:07 -0700)]
Swap screw terminals around to place main/apogee aft
Also shuffle bypass caps around to get them away from the mounting
holes. And make a cut-out for the USB connector
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 14:43:51 +0000 (07:43 -0700)]
Fixup ground plane
Got messed up somehow
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 14:41:47 +0000 (07:41 -0700)]
Add debug connector
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 12:42:22 +0000 (05:42 -0700)]
Add text to back of board
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 12:41:54 +0000 (05:41 -0700)]
Add serial and debug connectors
Hooking these up is going to be fun...
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 11:53:12 +0000 (04:53 -0700)]
Re-route power to the MS5607
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 11:46:46 +0000 (04:46 -0700)]
Route complete
Signed-off-by: Keith Packard <keithp@keithp.com>
Keith Packard [Sun, 17 Mar 2013 09:18:01 +0000 (02:18 -0700)]
Initial EasyMetrum schematic and board
Just has the board size and TH components placed
Signed-off-by: Keith Packard <keithp@keithp.com>
Bdale Garbee [Fri, 15 Mar 2013 23:48:48 +0000 (17:48 -0600)]
initial thoughts on board outline and through-hole parts placement