int a = 2;
int b = 3;
int c = 4;
int d = 5;
int e = 6;
int f = 7;
int g = 8;
int dot = 9;

void setup() {
  pinMode(a, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(c, OUTPUT);
  pinMode(d, OUTPUT);
  pinMode(e, OUTPUT);
  pinMode(f, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(dot, OUTPUT);
}

void clearDisplay() {
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, HIGH);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(dot, HIGH);
  
}

void displayDot(){
  clearDisplay();
  digitalWrite(dot, LOW);
}

// Fungsi untuk menampilkan strip (-)
void displayDash() {
  clearDisplay();
  digitalWrite(g, LOW); // Nyalakan segmen tengah saja
}

// Fungsi untuk angka 0-9
void displayZero() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
}

void displayOne() {
  clearDisplay();
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
}

void displayTwo() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(g, LOW);
  digitalWrite(e, LOW);
  digitalWrite(d, LOW);
}

void displayThree() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(g, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
}

void displayFour() {
  clearDisplay();
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
}

void displayFive() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
}

void displaySix() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
}

void displaySeven() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
}

void displayEight() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
}

void displayNine() {
  clearDisplay();
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
}

void loop() {
  displayDot();
  delay(1000);

  // Tampilkan NIM .2-4-1-2-1-1-0-0-8-6
  displayTwo();
  delay(1000);
  displayDash(); // Tampilkan strip
  delay(500);
  
  displayFour();
  delay(1000);
  displayDash();
  delay(500);
  
  displayOne();
  delay(1000);
  displayDash();
  delay(500);
  
  displayTwo();
  delay(1000);
  displayDash();
  delay(500);
  
  displayOne();
  delay(1000);
  displayDash();
  delay(500);
  
  displayOne();
  delay(1000);
  displayDash();
  delay(500);
  
  displayZero();
  delay(1000);
  displayDash();
  delay(500);
  
  displayZero();
  delay(1000);
  displayDash();
  delay(500);
  
  displayEight();
  delay(1000);
  displayDash();
  delay(500);
  
  displaySix();
  delay(1000);

  displayDot();
  delay(1000);
  
  clearDisplay(); // Matikan semua segmen
  delay(1000);
}