// Definisikan pin yang digunakan
#define dataPin 12
#define clockPin 10
#define latchPin 11

void setup() {
  // Atur pin sebagai output
  pinMode(dataPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(latchPin, OUTPUT);
}

void loop() {
  // Tampilkan angka 0 sampai 9 secara bergantian
  for (int i = 0; i <= 9; i++) {
    displayNumber(i);
    delay(1000); // Delay satu detik
  }
}

void displayNumber(int number) {
  byte segments = 0;

  // Set bit pada variabel segments sesuai dengan digit yang ingin ditampilkan
  switch (number) {
    case 0:
      segments = B00111111;
      break;
    case 1:
      segments = B00000110;
      break;
    case 2:
      segments = B01011011;
      break;
    case 3:
      segments = B01001111;
      break;
    case 4:
      segments = B01100110;
      break;
    case 5:
      segments = B01101101;
      break;
    case 6:
      segments = B01111101;
      break;
    case 7:
      segments = B00000111;
      break;
    case 8:
      segments = B01111111;
      break;
    case 9:
      segments = B01101111;
      break;
  }

  // Kirim data ke shift register
  digitalWrite(latchPin, LOW);
  shiftOut(dataPin, clockPin, MSBFIRST, segments);
  digitalWrite(latchPin, HIGH);
}