// // FILE: INA219_demo.ino // AUTHOR: Rob Tillaart // PURPOSE: demo // DATE: 2021-05-18 // URL: https://github.com/RobTillaart/INA219 #include "INA219.h" #include "Wire.h" INA219 INA(0x40); void setup() { Serial.begin(115200); Serial.println(__FILE__); Serial.print("INA219_LIB_VERSION: "); Serial.println(INA219_LIB_VERSION); Wire.begin(); if (!INA.begin() ) { Serial.println("could not connect. Fix and Reboot"); } INA.setMaxCurrentShunt(1, 0.002); delay(1000); INA.setMaxCurrentShunt(2.5, 0.002); delay(1000); INA.setMaxCurrentShunt(5, 0.002); delay(1000); INA.setMaxCurrentShunt(7.5, 0.002); delay(1000); INA.setMaxCurrentShunt(10, 0.002); delay(1000); INA.setMaxCurrentShunt(15, 0.002); delay(1000); INA.setMaxCurrentShunt(20, 0.002); delay(10000); } void loop() { Serial.println("\nBUS\tSHUNT\tCURRENT\tPOWER"); for (int i = 0; i < 20; i++) { Serial.print(INA.getBusVoltage(), 3); Serial.print("\t"); Serial.print(INA.getShuntVoltage_mV(), 3); Serial.print("\t"); Serial.print(INA.getCurrent_mA(), 3); Serial.print("\t"); Serial.print(INA.getPower_mW(), 3); Serial.println(); delay(1000); } delay(10000); } // -- END OF FILE --