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[Shivi (Shivinder)]

emonTx Arduino Shield V2 showing random values for 3 Phase

Hardware Used: *emonTx Arduino Shield V2, No RF Arduino Mega 2560 3x CT Current Sensor SCT 013 000 AC 9V 200mA Philips Voltage Adapter Power Specs: Voltage: 230V AC Frequency: 50 Hz Firmware Used: (Modified code for Shield as mentioned in comments) double Vcal = 461.42; // Calibration constant for voltage input double Ical1 = 90.9; // Calibration constant for current transformer 1 double Ical2 = 90.9; //…