// SUHINAR
// gate triac 1 phasa potensio
//https://wokwi.com/projects/384435116573070337

#define triacPulse 10 //output menuju gate scr
#define SW 7 //tombol aktivasi gate scr, 1 = stop, 0 = aktif

int potensio=0; //nilai awal analog potensiometer
int delayGate=9800; // nilai awal gate delay dalam microsecond

void setup(){
   Serial.begin(115200);
   pinMode(2, INPUT); //sumber input dari zero cross detector
   //digitalWrite(2, INPUT_PULLUP); // pull up, fungsi seperti switch
   pinMode(triacPulse, OUTPUT);
   pinMode(SW, INPUT);
   digitalWrite(SW, INPUT_PULLUP);
    }

void loop() {
  if (!digitalRead(SW)){ // When the switch is closed, bernilai nol/ground
    potensio=analogRead(A0); //cek pembacaan analog arduino 0-1023
    attachInterrupt(digitalPinToInterrupt(2), gateMicros, RISING);
    //attachInterrupt(0, gateMicros, RISING); // attach Interrupt at PIN2
    }  
  else if (digitalRead(SW)){ 
       detachInterrupt(0); // Detach Interrupt
     } 
  } 

void gateMicros()  //program micro second gate triac
   {
    delayGate=map(potensio,0,1023,9800,1000);
    delayMicroseconds(delayGate); // read AD0 
    Serial.print(delayGate);
    Serial.println("  micro second delay pulse");
    digitalWrite(triacPulse, HIGH);
    Serial.println("triacpulse high");
    delayMicroseconds(50);  //delay 50 uSec on output pulse to turn on triac  
    digitalWrite(triacPulse, LOW);
    Serial.println("triacpulse low");
   }