//kaki buzzer yang + hubungin ke 5v
const int sensorpir = 3; //hubungin ke output dari pir
const int buzer=6; //hubungin ke kaki groung buzzer
int bacasensorpir;

void setup (){
  pinMode(sensorpir, INPUT);
  pinMode(buzer, OUTPUT);
}

void loop(){
  bacasensorpir= digitalRead(sensorpir);

  if(bacasensorpir == HIGH){

  }else if (bacasensorpir == LOW){
    Serial.print("ada pergerakan");
    digitalWrite(buzer, HIGH);
    delay(1000);
    digitalWrite(buzer, LOW);
    delay(1000);
    digitalWrite(buzer, HIGH);
    delay(1000);
  }
}