async def digital_write(self, command):
        """
        This method writes a zero or one to a digital pin.

        :param command: {"method": "digital_write", "params": [PIN, DIGITAL_DATA_VALUE]}
        :returns: No return message..
        """
        pin = int(command[0])
        value = int(command[1])
        await self.core.digital_write(pin, value)