8 Bit Binary Counter - Arduino

class BinaryCounter {
  private:
    static const uint8_t showSingleValuePin = 0;
    static const uint8_t digitCount = 8;
    const uint8_t pins[digitCount] = {12, 11, 10, 9, 8, 7, 6, 5};
    uint8_t count = 0;
    uint8_t valuetoShow = 255;

  public:
    BinaryCounter();
    void increment();
    uint8_t* getBinaryDigits(uint8_t num);
};


BinaryCounter::BinaryCounter() {
  //set LED all pins to output mode
  for(int i = 0; i < digitCount; i++) {
    pinMode(pins[i], OUTPUT);
  }
}


uint8_t* BinaryCounter::getBinaryDigits(uint8_t num) {
  // Make a byte array to hold all of the binary digits.
  uint8_t *digits = new uint8_t[digitCount];
  memset(digits, 0, digitCount * sizeof(uint8_t));

  uint8_t remaining = num;
  uint8_t currentPosition = digitCount-1;

  while(remaining > 0) {
    digits[currentPosition] = remaining % 2;
    remaining /= 2;
    currentPosition--;
  }

  return digits;
}

void BinaryCounter::increment() {

  uint8_t* binaryDigits;

  if(analogRead(showSingleValuePin) > 500) {
    binaryDigits = getBinaryDigits(valuetoShow );
  }
  else {
    binaryDigits = getBinaryDigits(count);

    if(count == 255) {
      count = 0;
    } else {
      count++;
    }
  }

  for(int i = 0; i < digitCount; i++) {
      digitalWrite(pins[i], binaryDigits[i]);
  }

  delete binaryDigits;
  delay(500);
}

BinaryCounter *counter;

void setup()
{
  counter = new BinaryCounter();
}

void loop()
{
  counter->increment();
}