"; ACS712 Current Sensor 20A Current Sensor Arus for Arduino

------------------------------------------- Supplier Arduino Board amp; Modules --------------------------------------------- ACS712-20A //Mengukur arus pada tegangan AC 220V dengan ACS712 const int sensorIn A0; int mVperAmp 100; // use 185 for ACS712 5A // use 100 for ACS712 20A // use 66 for ACS712 20A double Voltage 0; double VRMS 0; double AmpsRMS 0; void setup(){ Serial.begin(9600); } void loop(){ Voltage getVPP(); VRMS (Voltage/2.0) *0.707; Serial.print(AmpsRMS); Serial.println( #34; Amps RMS #34;); } float getVPP() { float result; int readValue; //value read from the sensor uint32_t start_time millis(); { readValue analogRead(sensorIn); // see if you have a new maxValue if (readValue gt; maxValue) { /*record the maximum sensor value*/ maxValue readValue; } if (readValue lt; minValue) { /*record the maximum sensor value*/ minValue readValue; } } // Subtract min from max result ((maxValue - minValue) * 5.0)/1024.0; return result; }