Electronic component tester expansion board
- LiPO battery replaces 9V battery.
- 1 cell LiPO charger with microUSB connector.
- Adjustable low battery voltage indicator.
- Removed direct power passthrough from microUSB to MCU over ICSP connector (don't work as expected).
- Changed low battery voltage indicator voltage set resistors values.
- Changed some silkscreen text and position.