int ledPins[] = {1, 2, 3, 4, 5}; // LED pin numbers

void setup() {
  // Initialize LED pins as outputs
  for (int i = 0; i < 5; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  // Menyala semua LED secara urut dengan durasi yang sama
  for (int i = 0; i < 5; i++) {
    digitalWrite(ledPins[i], HIGH);
    delay(500);
    digitalWrite(ledPins[i], LOW);
  }
}