Life Counter run on Arduino Feather S2 with an E-Ink display and battery.
Code's a bit messy, still working on it.
Hardware;
- 1 x UnexpectedMaker Feather S2 (USB-C)
- 3 x Cherry MX Blue switches & Cherry MX Breakouts
- 1100mAh 3.7V LiPo
- SparkFun LiPo Fuel Gauge
- Adafruit 2.9" Grayscale eInk Display FeatherWing - 4 Level Grayscale
- SD Card
- Thumb Slide Joystick