const byte Lampu_1 = 13;
const byte Lampu_2 = 12;
const byte Lampu_3 = 14;
const byte Lampu_4 = 27;

void setup() {
  // put your setup code here, to run once:
   Serial.begin(115200);
  
  pinMode(Lampu_1, OUTPUT);
  pinMode(Lampu_2, OUTPUT);
  pinMode(Lampu_3, OUTPUT);
  pinMode(Lampu_4, OUTPUT);
}

void loop(){
digitalWrite(Lampu_1, HIGH);
delay(350);
digitalWrite(Lampu_1, LOW);
delay(50);

digitalWrite(Lampu_3, HIGH);
delay(350);
digitalWrite(Lampu_3, LOW);
delay(500);

digitalWrite(Lampu_2, HIGH);
delay(350);
digitalWrite(Lampu_2, LOW);
delay(50);

digitalWrite(Lampu_4, HIGH);
delay(350);
digitalWrite(Lampu_4, LOW);
delay(800);
}