void setup() {
  // Lampu nyala 3 detik, mati 2 detik, nyala 2 detik,mati 2 detik
 pinMode(2, OUTPUT);
 digitalWrite(2, HIGH);
 delay(3000);
 digitalWrite(2,LOW);
 delay(2000);
 digitalWrite(2,HIGH);
delay(2000);
 digitalWrite(2,LOW);
}

void loop() {
  // put your main code here, to run repeatedly:

}