// Pins untuk mengontrol seven segment
const int segA = 2;
const int segB = 3;
const int segC = 4;
const int segD = 5;
const int segE = 6;
const int segF = 7;
const int segG = 8;
const int segdp = 9;

void setup() {
  // Mengatur pin sebagai output
  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
  pinMode(segdp, OUTPUT);
}

void loop() {
  // Menampilkan angka 0 sampai 9
  displayNumber(0);
  delay(1000);
  displayNumber(1);
  delay(1000);
  displayNumber(2);
  delay(1000);
  displayNumber(3);
  delay(1000);
  displayNumber(4);
  delay(1000);
  displayNumber(5);
  delay(1000);
  displayNumber(6);
  delay(1000);
  displayNumber(7);
  delay(1000);
  displayNumber(8);
  delay(1000);
  displayNumber(9);
  delay(1000);
}

// Fungsi untuk menampilkan angka pada seven segment
void displayNumber(int num) {
  switch (num) {
    case 0:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segE, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, HIGH);
      digitalWrite(segdp,LOW);
      break;
    case 1:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      digitalWrite(segdp,LOW);
      break;
    case 2:
      digitalWrite(segA, 0);
      digitalWrite(segB, 0);
      digitalWrite(segC, 1);
      digitalWrite(segD, 0);
      digitalWrite(segE, 0);
      digitalWrite(segF, 1);
      digitalWrite(segG, 0);
      digitalWrite(segdp,0);
      break;
    case 3:
      digitalWrite(segA, 0);
      digitalWrite(segB, 0);
      digitalWrite(segC, 0);
      digitalWrite(segD, 0);
      digitalWrite(segE, 1);
      digitalWrite(segF, 1);
      digitalWrite(segG, 0);
      digitalWrite(segdp,0);
      break;
    case 4:
      digitalWrite(segA, 1);
      digitalWrite(segB, 0);
      digitalWrite(segC, 0);
      digitalWrite(segD, 1);
      digitalWrite(segE, 1);
      digitalWrite(segF, 0);
      digitalWrite(segG, 0);
      digitalWrite(segdp,0);
      break;
    case 5:
      digitalWrite(segA, 0);
      digitalWrite(segB, 1);
      digitalWrite(segC, 0);
      digitalWrite(segD, 0);
      digitalWrite(segE, 1);
      digitalWrite(segF, 0);
      digitalWrite(segG, 0);
      digitalWrite(segdp,0);
      break;
    case 6:
      digitalWrite(segA, LOW);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segE, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segdp,LOW);
      break;
    case 7:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      digitalWrite(segdp,LOW);
      break;
    case 8:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segE, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      break;
    case 9:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segdp,LOW);
      break;
    default:
      // Jika angka tidak valid, matikan semua segment
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      digitalWrite(segdp,LOW);
      break;
  }
}