TP4056 based charger

[R4sp1]

• [x] Add power path
• [x] Sense pins for uControler for !CHRG and !STDBY signals
• [ ] NTC to monitor temperature on battery
• [ ] Sense pin to monitor voltage on TEMP signal (voltage devider)
• [x] Pin to monitor battery voltage (voltage devider)

[R4sp1]

Currently test is in progress

[R4sp1]

Added bigger 4.5W PV panel to the test.