// Deklarasi variabel untuk led merah
int led_merah = 12;
int led_orange = 11;
int led_hijau = 7;

  void setup() {
pinMode(led_merah, OUTPUT);
pinMode(led_orange, OUTPUT);
pinMode(led_hijau, OUTPUT);

}

void loop() {
digitalWrite(led_merah, HIGH);
delay(100);
digitalWrite(led_merah, LOW);
delay(1000);
digitalWrite(led_orange, HIGH);
delay(100);
digitalWrite(led_orange, LOW);
delay(100);
digitalWrite(led_hijau, HIGH);
delay(100);
digitalWrite(led_hijau, LOW);
delay(100);


}