#include "arduino.h"

class photocell {
  private:
    unsigned int _pin;
    int buffer_size;

  public:
    photocell(const unsigned int pin) {
      _pin = pin;
      buffer_size = 10;
    }

    int value () {
      float sum = 0;
      for (int i = 1; i <= buffer_size; i++) {
        sum += analogRead(_pin);
      }
      
      return round(sum / buffer_size);
    }
};