Ultra low powered mcu devboard - 1+ year on a 500mAh lipo. With on board e-ink connector so you can get
Features:
- On-board e-ink connector
- Battery charging and decharging
- stm32u0
- adafruit feather form
- Small form factor with mounting holes
The PCB and schematic is also open source, availiable for everyone to see and learn from.
| Item | Price | Where |
|---|---|---|
| PCB & PCBAPCBA | $100 | jlc |