Sends the setLed Pixy command.
        This method sets the RGB LED on front of Pixy.

        :param r: red range between 0 and 255

        :param g: green range between 0 and 255

        :param b: blue range between 0 and 255

        :returns: No return value.

async def pixy_set_led(self, r, g, b):
        """
        Sends the setLed Pixy command.
        This method sets the RGB LED on front of Pixy.

        :param r: red range between 0 and 255

        :param g: green range between 0 and 255

        :param b: blue range between 0 and 255

        :returns: No return value.
        """
        data = [PrivateConstants.PIXY_SET_LED, r & 0x7f, (r >> 7) & 0x7f,
                g & 0x7f, (g >> 7) & 0x7f, b & 0x7f,
                (b >> 7) & 0x7f]
        await self._send_sysex(PrivateConstants.PIXY_CONFIG, data)