c++
const int merah1 = 2; // Pin digital untuk lampu merah arah 1
const int kuning1 = 3; // Pin digital untuk lampu kuning arah 1
const int hijau1 = 4; // Pin digital untuk lampu hijau arah 1
const int merah2 = 5; // Pin digital untuk lampu merah arah 2
const int kuning2 = 6; // Pin digital untuk lampu kuning arah 2
const int hijau2 = 7; // Pin digital untuk lampu hijau arah 2

const int segA = 8; // Pin digital untuk segmen A
const int segB = 9; // Pin digital untuk segmen B
const int segC = 10; // Pin digital untuk segmen C
const int segD = 11; // Pin digital untuk segmen D
const int segE = 12; // Pin digital untuk segmen E
const int segF = 13; // Pin digital untuk segmen F
const int segG = A0; // Pin analog untuk segmen G

void setup() {
  // Set pin lampu sebagai output
  pinMode(merah1, OUTPUT);
  pinMode(kuning1, OUTPUT);
  pinMode(hijau1, OUTPUT);
  pinMode(merah2, OUTPUT);
  pinMode(kuning2, OUTPUT);
  pinMode(hijau2, OUTPUT);

  // Set pin 7-segment display sebagai output
  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
}

void loop() {
  // Arah 1: Merah
  digitalWrite(merah1, HIGH);
  digitalWrite(kuning1, LOW);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, LOW);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, HIGH);
  for (int i = 5; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 1: Kuning
  digitalWrite(merah1, HIGH);
  digitalWrite(kuning1, HIGH);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, LOW);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, HIGH);
  for (int i = 2; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 1: Hijau
  digitalWrite(merah1, LOW);
  digitalWrite(kuning1, LOW);
  digitalWrite(hijau1, HIGH);
  digitalWrite(merah2, HIGH);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, LOW);
  for (int i = 5; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 1: Kuning
  digitalWrite(merah1, LOW);
  digitalWrite(kuning1, HIGH);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, HIGH);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, LOW);
  for (int i = 2; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 2: Merah
  digitalWrite(merah1, LOW);
  digitalWrite(kuning1, LOW);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, HIGH);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, HIGH);
  for (int i = 5; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 2: Kuning
  digitalWrite(merah1, LOW);
  digitalWrite(kuning1, LOW);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, HIGH);
  digitalWrite(kuning2, HIGH);
  digitalWrite(hijau2, LOW);
  for (int i = 2; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 2: Hijau
  digitalWrite(merah1, HIGH);
  digitalWrite(kuning1, LOW);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, LOW);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, HIGH);
  for (int i = 5; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }

  // Arah 2: Kuning
  digitalWrite(merah1, HIGH);
  digitalWrite(kuning1, HIGH);
  digitalWrite(hijau1, LOW);
  digitalWrite(merah2, LOW);
  digitalWrite(kuning2, LOW);
  digitalWrite(hijau2, HIGH);
  for (int i = 2; i > 0; i--) {
    tampilAngka(i);
    delay(1000); // Tunggu 1 detik
  }
}

void tampilAngka(int angka) {
  switch (angka) {
    case 0:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, LOW);
      break;
    case 1:
      digitalWrite(segA, LOW);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, LOW);
      digitalWrite(segE, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      break;
    case 2:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, LOW);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, LOW);
      digitalWrite(segG, HIGH);
      break;
    case 3:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, HIGH);
      break;
    case 4:
      digitalWrite(segA, LOW);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, LOW);
      digitalWrite(segE, LOW);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      break;
    case 5:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, LOW);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, LOW);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      break;
    case 6:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, LOW);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      break;
    case 7:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, LOW);
      digitalWrite(segE, LOW);
      digitalWrite(segF, LOW);
      digitalWrite(segG, LOW);
      break;
    case 8:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, HIGH);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      break;
    case 9:
      digitalWrite(segA, HIGH);
      digitalWrite(segB, HIGH);
      digitalWrite(segC, HIGH);
      digitalWrite(segD, HIGH);
      digitalWrite(segE, LOW);
      digitalWrite(segF, HIGH);
      digitalWrite(segG, HIGH);
      break;
  }
}