const int ledPin[12] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}; // Pin untuk LED
int ledState[12] = {0}; // State dari setiap LED, 0 = mati, 1 = menyala

void setup() {
  Serial.begin(9600);
  Serial.println("1, lampu led berwarna merah menyala 1"); 
  Serial.println("2, lampu led berwarna merah mati 1");
  Serial.println("3, 12 lampu led menyala bersamaan");
  Serial.println("4, 12 lampu led menyala Running led dengan delay 500");
  Serial.println("5, 12 lampu led menyala  flip flop ");
  Serial.println("6, Semua lampu led mati");
  // Inisialisasi pin sebagai output
  for (int i = 0; i < 12; i++) {
    pinMode(ledPin[i], OUTPUT);
  }
  }

void loop() {
  if (Serial.available() > 0) {
    int command = Serial.parseInt(); // Membaca input dari Serial Monitor

    // Menjalankan perintah sesuai dengan input
    switch (command) {
      case 1:
        digitalWrite(ledPin[0], HIGH);
        ledState[0] = 1;
        break;
      case 2:
        digitalWrite(ledPin[0], LOW);
        ledState[0] = 0;
        break;
      case 3:
        for (int i = 0; i < 12; i++) {
          digitalWrite(ledPin[i], HIGH);
          ledState[i] = 1;
        }
        break;
      case 4:
        runningLED();
        delay(500);
        break;
      case 5:
        flipFlopLED();
        break;
      case 6:
        turnOffAllLEDs();
        break;
      default:
        break;
    }
  }
}

void runningLED() {
  for (int i = 0; i < 12; i++) {
    digitalWrite(ledPin[i], HIGH);
    delay(500);
    digitalWrite(ledPin[i], LOW);
  }
}

void flipFlopLED() {
  for (int i = 0; i < 12; i++) {
    if (ledState[i] == 0) {
      digitalWrite(ledPin[i], HIGH);
      ledState[i] = 1;
    } else {
      digitalWrite(ledPin[i], LOW);
      ledState[i] = 0;
    }
  }
}

void turnOffAllLEDs() {
  for (int i = 0; i < 12; i++) {
    digitalWrite(ledPin[i], LOW);
    ledState[i] = 0;
  }
}