//PUSH BUTTON
int buzzer = 13;
int sensor=2;
int pirStatus = LOW;

void setup() {
  // put your setup code here, to run once:
pinMode(buzzer, OUTPUT);
pinMode(sensor, INPUT);

}

void loop() {
  pirStatus = digitalRead(sensor) ;
  if (pirStatus==HIGH){
    tone(buzzer, 1000);

  }
  else{
    noTone(buzzer);
  }

}