int a = 4;
int b = 5;
int c = 6;
int d = 9;
int e = 10;
int f = 11;
int g = 12;

int merah = 3;
int biru = 2;

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

void loop() {
  // Kedipkan LED merah dan biru secara bergantian
  kedipLED(merah, 300);
  kedipLED(biru, 300);

  // Panggil fungsi seven segment display
  sevseg();
}

void kedipLED(int pin, int durasi) {
  digitalWrite(pin, HIGH);
  delay(durasi);
  digitalWrite(pin, LOW);
}

void sevseg() {
  // Pola 1: Menyalakan segment tertentu
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
  digitalWrite(e, HIGH);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  delay(90);

  // Pola 2: Menyalakan semua segment
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, HIGH);
  digitalWrite(f, HIGH);
  digitalWrite(g, HIGH);
  delay(120);

  // Pola 3: Menyalakan segment berbeda
  digitalWrite(a, HIGH);
  digitalWrite(b, HIGH);
  digitalWrite(c, HIGH);
  digitalWrite(d, HIGH);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  delay(130);

  // Pola 4: Mematikan semua segment
  digitalWrite(a, LOW);
  digitalWrite(b, LOW);
  digitalWrite(c, LOW);
  digitalWrite(d, LOW);
  digitalWrite(e, LOW);
  digitalWrite(f, LOW);
  digitalWrite(g, LOW);
  delay(120);
}