Now V2 is almost done, some small DRC errors to fix before I can order it.
Functions in V2:
- Charger can be disable if using non LiPo batteries.
- Powersupply has two diodes to prevent battery from being connected to USB/CP2104 and USB from directly connecting to battery.
- CP2104 is supplied from USB so it should not draw power from battery
- Auto Reset when programming in same way as nodeMCU
- ADC to battery with ~2 ms on time of the voltage divider to save power