int lampu1 = 8;
int lampu2 = 9;
int lampu3 = 10;
int lampu4 = 11;
int lampu5 = 12;
int buzz = 13;

void setup() {
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
}

void loop() {
  digitalWrite(8, HIGH);
  delay(5000);

  digitalWrite(9, HIGH);
  delay(5000);

  digitalWrite(10, HIGH);
  delay(5000);

  digitalWrite(11, HIGH);
  delay(5000);

  digitalWrite(12, HIGH);
  delay(5000);

  tone(buzz,523,5000);
  delay(5000);


}