text: #ifndef menu_h
  #define menu_h
  
  typedef struct {
    String label;
    int minVal;
    int maxVal;
    int currentVal;
    void (*handler)();
  } STRUCT_MENUPOS;
  
  typedef enum {
    BACK, NEXT, PREV, OK, NONE
  } ENUM_BUTTON;
  
  #endif
  