int lampua = 11;
int lampuk = 8;
int lampui = 6;

void setup() {
pinMode(lampua, OUTPUT);
pinMode(lampuk, OUTPUT);
pinMode(lampui, OUTPUT);

}

void loop() {
digitalWrite(lampua, HIGH);
delay (500);
digitalWrite(lampua, LOW);
delay(500);
digitalWrite(lampuk, HIGH);
delay(500);
digitalWrite(lampuk, LOW);
delay(500);
digitalWrite(lampui, HIGH);
delay(500);
digitalWrite(lampui, LOW);
delay(500);
}