code: async def pixy_set_brightness(self, brightness):
          
          data = [PrivateConstants.PIXY_SET_BRIGHTNESS, brightness & 0x7f,
                  (brightness >> 7) & 0x7f]
          await self._send_sysex(PrivateConstants.PIXY_CONFIG, data)
docs: Sends the setBrightness Pixy command.
          This method sets the brightness (exposure) of Pixy's camera.
  
          :param brightness: range between 0 and 255 with 255 being the brightest setting
  
          :returns: No return value.