top of page
Power Meter
Arduino Nano project
Used for controlling charge/discharge of power bank's batteries (18650).
Resistive voltage divider: R1 = 56 kΩ, R2 = 10 kΩ. One button is used for control (short and long pressing).

Power Meter

Power Bank

Display: 0.91" OLED
Driver IC: SSD1306

Power Meter
1/3
Components:
![]() Arduino Nano V3.0 |
---|
![]() MAX471 GY-471 |
![]() RTC DS3231 |
![]() Display: 0.91" OLED 128x32 |