void setup() {
  Serial.begin(9600);

  for (int i = 2; i <= 8; i++) {
    pinMode(i, OUTPUT);
  }
}

void loop() {
  Serial.println("Masukkan password:");
  while (Serial.available() == 0) {
  }

  String inputPassword = Serial.readString();
  inputPassword.trim();

  if (inputPassword == "MuhammadNaufalFahrozi_2309106062_B1") {
    Serial.println("Password benar. Akses diterima.");

    while (true) {
      digitalWrite(5, 1);
      digitalWrite(6, 1);
      digitalWrite(8, 1);
      digitalWrite(7, 1);
      delay(150);

      digitalWrite(2, 1);
      digitalWrite(3, 1);
      digitalWrite(4, 1);
      delay(150);

      digitalWrite(7, 0);
      digitalWrite(8, 0);
      delay(150);

      digitalWrite(2, 0);
      digitalWrite(3, 0);
      digitalWrite(4, 0);
      digitalWrite(5, 0);
      digitalWrite(6, 0);
      delay(500);
    }
  }
  
  else {
    Serial.println("Password salah. Coba lagi.");
  }
}