const int pinSensor = 3;
const int inA = 9;
const int inB = 8;
const int pinSpeker = 12;
const int ledRed = 13;

void setup() {
  Serial.begin (9600);
  pinMode (pinSensor, INPUT);
  pinMode (inA, OUTPUT);
  pinMode (inB, OUTPUT);
  pinMode (pinSpeker, OUTPUT);
  pinMode (ledRed, OUTPUT);
}

void loop(){
  int dataDigital = digitalRead (pinSensor);

if (dataDigital == 1) {
  Serial.println ("Mendeteksi Api");
  digitalWrite (inA, HIGH);
  digitalWrite (inB, LOW);

  digitalWrite (ledRed, LOW);
  tone( pinSpeker, 261 );
  delay( 500 );
  digitalWrite( ledRed, HIGH);
  tone(pinSpeker, 392 );
  delay(500);
}

else if (dataDigital == 0) {
Serial.println("Tidak Ada Api");
noTone(pinSpeker);
digitalWrite (inA, LOW);
digitalWrite (inB, LOW);
digitalWrite (ledRed, LOW);
}
}