text: #ifndef Mac_h
  #define Mac_h
  
  #include "Arduino.h"
  
  class Mac
  {
    public:
      Mac();
      void set(uint8_t first, uint8_t second, uint8_t third, uint8_t fourth, uint8_t fifth, uint8_t sixth);
      void setAt(uint8_t first, int num);
      void setMac(Mac adr);
      String toString();
      void _print();
      void _println();
      uint8_t _get(int num);
      bool compare(Mac target);
      bool valid();
    private:
      uint8_t adress[6];
  };
  
  #endif
  