byte pinPIR=25;
byte sound=4;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("HDETEKSI PIR");
  pinMode(pinPIR, INPUT);
  pinMode(sound, OUTPUT);
}

void loop() {
  byte nilai = digitalRead(pinPIR);
  Serial.print("deteksi");
  Serial.println(nilai);// put your main code here, to run repeatedly:
  

  // jika nilai 1 maka lampu hijau menyala 
  //tanda "=" harus dua atau doudle
  if(nilai==1){
    digitalWrite(sound,1);
    
  }
  if(nilai==0){
    digitalWrite(sound,0);
    
  }
  delay(1000); // this speeds up the simulation
}