code: def _send_unsigned_int(self,value):
          
          # Coerce to int. This will throw a ValueError if the value can't 
          # actually be converted.
          if type(value) != int:
              new_value = int(value)
  
              if self.give_warnings:
                  w = "Coercing {} into int ({})".format(value,new_value)
                  warnings.warn(w,Warning)
                  value = new_value
  
          # Range check
          if value > self.board.unsigned_int_max or value < self.board.unsigned_int_min:
              err = "Value {} exceeds the size of the board's unsigned int.".format(value)
              raise OverflowError(err)
             
          return struct.pack(self.board.unsigned_int_type,value)
docs: Convert a numerical value into an integer, then to a bytes object. Check
          bounds for unsigned int.