int lampu=5;
int lampi=4;
int lampo=6;

void setup() {
  // put your setup come here, to run once:
Serial.begin(9600);
pinMode(lampu, OUTPUT);
pinMode(lampi, OUTPUT);
pinMode(lampo, OUTPUT);
}

void loop() {
  //put your main code here, tp run repeatedly:
digitalWrite(lampu, HIGH);
delay(1000);
digitalWrite(lampu, LOW);
delay(500);
  //put your main code here, tp run repeatedly:
digitalWrite(lampi, HIGH);
delay(1000);
digitalWrite(lampi, LOW);
delay(500);
//put your main code here, tp run repeatedly:
digitalWrite(lampo, HIGH);
delay(1000);
digitalWrite(lampo, LOW);
delay(500);

}