+ names & values optimized
+ drill holes rearranged to fit holes in housing perfectly
+ moved board edge & GND areas to 0 / 0 to simplify distance calculations
- All parts are places on the top side (except for the long pin header,
of course).
- Gerber files for individual PCBs and for a 2-PCB panel with fiducials
for pick-and-place.
- Source files are in KiCAD-5.0 format