int BEL = 13;
int PIR = 15;
int PIRstatus = 0;

void setup() {
  // put your setup code here, to run once:
  Serial1.begin(115200);
  Serial1.println("Sensor Gerak Dengan Output Suara");
  pinMode(PIR, INPUT);
  pinMode(BEL, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  PIRstatus = digitalRead(PIR);
  if(PIRstatus == HIGH){
    digitalWrite(BEL, HIGH);
    tone(BEL,1000);
    Serial1.println("Ada gerakan !");
  }else{
    digitalWrite(BEL, LOW);
    tone(BEL,0);
    Serial1.println("Tidak ada gerakan");
  }
  delay(500);
}