Connect the module to the power source and the load. Power the arduino via the usb port. Read the output on the OLED screen. Arduino Nano INA219 OLED 128x64 I2C (The pinout of the module I used has ...

Library for using the INA219 ADC/I2C with Arduino. Adapted to optimize automatically the INA configuration from the maximum current and maximum voltage to measure and the used shunt resistor. - ...