/* SCT-013 Sensor - Power meassurement, based on Thomas Edlinger's code for "www.edistechlab.com" Required libraries (Tools -> manage libraries) - EmonLib libary V1.1.0 by OpenEnergyMonitor Based on EmonLibrary examples openenergymonitor.org, Licence GNU GPL V3 */ #include "EmonLib.h" EnergyMonitor emon1; const byte current1Pin = A1; // ADC-PIN const byte voltage = 230; // Power voltage in Europe = 230 V void setup() { Serial.begin(115200); analogReadResolution(ADC_BITS); // activate 12 Bit resolution for our ESP32 emon1.current(current1Pin, 8); // Pin and Calibration } void loop() { double Irms = emon1.calcIrms(1480); Serial.print(Irms*voltage); Serial.print(" Watt - "); Serial.print(Irms); Serial.println(" Ampere"); delay(1000); }