Description
Nickel is a small 5V power supply and charge controller designed to provide regulated 5V output from 4-8 AA NiMH batteries.
Coming soon.
Specifications
- ATtiny402 MCU
- Ambient temperature sensor
- Battery voltage monitoring
- Enable/disable for battery charging and battery output
- Serial debug output
- USB power capability detection
- Constant current charging
- Boost-buck circuitry provides 5V whether batteries are above/below 5V
- 1 USB-C port for power input
- 2 XH 2.5mm 5V power outputs
- 1 XH 2.5mm battery connector
- 1 status LED
- 45mm x 20mm board dimensions (V0)
Resources
- Example firmware, schematics and documentation will be made available on GitHub
