Below, you see the layout for the test version, ordered from JLCPCB:
Lessons learned after the test version
- Remove Silkscreen text from top side. Either delete or move to bottom side.
- Add useful information to bottom side. Such as link. Or maybe also fun stuff, its free (silkscreen) real estate after all.
- Add pin 1 indicator to Shitty Add-on header.
- Add 3 step toggle switch to switch between battery,external battery and USB C.
- Consider adding button(s).
- Add numbering to UPDI programming header.
- Add github link.
- Add LED for SoC, so we can run blinky.
- If keeping USB LED, add footprint for resistor in series. Also make it so that the USB LED is off by default and only blinks during transfer.
- Find out why USB C alone does not power this thing.