// Definisikan pin untuk mengendalikan 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; // Segmen titik desimal

void setup() {
  // Atur 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 tampilkanAngka(int angka) {
  // Matikan semua segmen
  digitalWrite(segA, LOW);
  digitalWrite(segB, LOW);
  digitalWrite(segC, LOW);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, LOW);
  digitalWrite(segG, LOW);
  digitalWrite(segDP, LOW);

  // Tampilkan angka pada seven segment
  switch (angka) {
    case 1:
     digitalWrite(segA, HIGH);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      digitalWrite(segE, HIGH);
      break;
    case 2:
     digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, LOW);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, LOW);
      digitalWrite(segE, LOW);
      break;
    case 3:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, LOW);
      digitalWrite(segE, HIGH);
      break;
    case 4:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, HIGH);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segE, HIGH);
      break;
    case 5:
      digitalWrite(segA, LOW);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segE, HIGH);
      break;
    case 6:
      digitalWrite(segA, LOW);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segE, LOW);
      break;
    case 7:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      digitalWrite(segE, HIGH);
      break;
    case 8:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segE, LOW);
      break;
    case 9:
      digitalWrite(segA, LOW);
      digitalWrite(segB, LOW);
      digitalWrite(segC, LOW);
      digitalWrite(segD, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      digitalWrite(segE, HIGH);
      break;
    default:
      break;
  }
}

void loop() {
  // Tampilkan angka dari 1 sampai 9 dengan menyalakan seven segment
  for (int i = 1; i <= 9; i++) {
    tampilkanAngka(i);
    delay(1000); // Tunda satu detik
  }
}