void setup() {
  pinMode(32, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(22, OUTPUT);
}

void loop() {
  //lampu idup
  //lampu atas
  digitalWrite(32, LOW);
  //lampu bawah
  digitalWrite(12, HIGH);
  //suara buzzer
  tone(22, 200);
  //delay kelap kelip 1 dertik
  delay(1000);

  //lampu mati
  //lampu atas
  digitalWrite(32, HIGH);
  //lampu bawah
  digitalWrite(12, LOW);
  //suara buzzer
  tone(22, 500);
  //delay kelap kelip 1 dertik
  delay(1000);
}