int A = 8;
int B = 9;
int C = 3;
int D = 4;
int E = 5;
int F = 7;
int G = 6;
int DP = 2;
int LED = 11; // Pin untuk LED

int KeadaanTombol;
int TombolSebelumnya = HIGH;
int Hitung = 0;
bool LedMenyala = false;
bool SevenSegmenAktif = false;
bool TombolKetigaDitekan = false; // Menandakan apakah tombol ketiga ditekan
unsigned long WaktuTerakhir= 0;

void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(13, INPUT_PULLUP);

  digitalWrite(DP, HIGH);
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
  digitalWrite(LED, LOW); // Matikan LED
  Serial.begin(9600);
}

void loop() {
  KeadaanTombol = digitalRead(13);

  if (KeadaanTombol != TombolSebelumnya) {
    if (KeadaanTombol == LOW) {
      if (!LedMenyala && !SevenSegmenAktif && !TombolKetigaDitekan) {
        LedMenyala = true;
        digitalWrite(LED, HIGH);
      } else if (!LedMenyala && SevenSegmenAktif && !TombolKetigaDitekan) {
        Hitung = 0;
         digitalWrite(LED, LOW);
        TambahAngka(Hitung);
        SevenSegmenAktif = false;
      } else if (TombolKetigaDitekan) {
        // Tombol ketiga ditekan, matikan LED dan Seven Segmen
        LedMenyala = false;
        SevenSegmenAktif = false;
       
        MatikanSevenSegmen();
        delay(250); // Debounce
        TombolKetigaDitekan = false;
      } else {
        LedMenyala = false;
        SevenSegmenAktif = true;
      }

      delay(250); // Debounce
    }
  }

  TombolSebelumnya = KeadaanTombol;

  if (SevenSegmenAktif && millis() - WaktuTerakhir > 1000) {
    Hitung = (Hitung + 1) % 10;
    Serial.println(Hitung);
    TambahAngka(Hitung);
    WaktuTerakhir = millis();
  }
}

void TambahAngka(int TampilAngka) {
  // Matikan semua digit sebelum menampilkan angka baru
  MatikanSevenSegmen();

  
    switch (TampilAngka) {
    case 0:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, HIGH);
      break;

    case 1:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      break;

    case 2:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, HIGH);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      delay(500);
      break;

    case 3:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      delay(500);
      break;

    case 4:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      delay(500);
      break;

    case 5:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      delay(500);
      break;

    case 6:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      delay(500);
      break;

    case 7:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      delay(500);
      break;

    case 8:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      delay(500);
      break;

    case 9:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      delay(500);
      break;

    default:
      break;
  }
}

void MatikanSevenSegmen() {
  // Matikan semua digit Seven Segmen
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}