@mattwach
3 boards publicly available on BoardRepo.
Public boards
portable_led_lamp
Contains firmware, schematics and 3D models for a LED lamp that can accept a wide range of voltages.
pcbbom
epaper_clock
Autosetting clock based on an epaper display. Runs about a year on batteries and has basic weather telemetry (temperature, pressure, humidity).
schematicpcbbomswitchresistorcapacitordiode
battery_drainer
Hardware to safely discharge LIPO batteries to storage levels
schematicpcbbomRP2040switchregulatorresistor