// EmonLibrary examples openenergymonitor.org, Licence GNU GPL V3 #include "EmonLib.h" // Include Emon Library EnergyMonitor emon1; // Create an instance void setup() { Serial.begin(9600); emon1.current(1, 111.1); // Current: input pin, calibration. } void loop() { double Irms = emon1.calcIrms(1480); // Calculate Irms only Serial.print(Irms*230.0); // Apparent power Serial.print(" "); Serial.println(Irms); // Irms }