#define rodaKananDepan 10
#define rodaKananBelakang 11
#define rodaKiriDepan 12
#define rodaKiriBelakang 13
#define buttonA 5 // Tombol A
#define buttonB 4 // Tombol B

void setup() {
  pinMode(rodaKananDepan, OUTPUT);
  pinMode(rodaKananBelakang, OUTPUT);
  pinMode(rodaKiriDepan, OUTPUT);
  pinMode(rodaKiriBelakang, OUTPUT);
  pinMode(buttonA, INPUT_PULLUP);
  pinMode(buttonB, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(buttonA) == LOW) { // Jika tombol A ditekan
    maju();
  } else if (digitalRead(buttonB) == LOW) { // Jika tombol B ditekan
    belokKiri();
  } else {
    berhenti();
  }
}

void maju() {
  digitalWrite(rodaKananDepan, HIGH);
  digitalWrite(rodaKananBelakang, LOW);
  digitalWrite(rodaKiriDepan, HIGH);
  digitalWrite(rodaKiriBelakang, LOW);
}

void belokKiri() {
  digitalWrite(rodaKananDepan, HIGH);
  digitalWrite(rodaKananBelakang, LOW);
  digitalWrite(rodaKiriDepan, LOW);
  digitalWrite(rodaKiriBelakang, LOW);
  delay(2500); // Belok selama 2,5 detik
  berhenti();
}

void berhenti() {
  digitalWrite(rodaKananDepan, LOW);
  digitalWrite(rodaKananBelakang, LOW);
  digitalWrite(rodaKiriDepan, LOW);
  digitalWrite(rodaKiriBelakang, LOW);
}