Purpose
Read and display voltage, percentage charge for LiPo batteries. Battery temperature if available, is displayed as well. The solution uses both dedicated voltage monitoring hardware and calculations based on a battery monitoring pin included in the Adafruit hardware.
Configuring targets
- comment on/off for DEBUG in battery_check.ino
- select correct battery size in battery_check.ino
External Software Dependencies
- see #include list
Pinouts
- Stemma QT cable between MCU board and LC709203F board
- Battery connected to LC709203F board
- Power connector between LC709203F board and MCU board
- Feather screen connection to MCU board
- 10K thermistor between thermistor pin and ground pin on LC709203F board (required to measure battery temperature)
known, working BOM
- MCU
- battery monitor
- Adafruit LC709203F battery voltage monitor
- 10K thermistor
- screen
- battery
Information Sources
Adafruit Feather M0 Express power management Adafruit LC709203F board overview
Issues
- See GitHub Issues for project
Feature Requests
- See GitHub Issues for project