This method sets the sampling interval for the Firmata loop method

        :param interval: time in milliseconds

        :returns: No return value

def set_sampling_interval(self, interval):
        """
        This method sets the sampling interval for the Firmata loop method

        :param interval: time in milliseconds

        :returns: No return value
        """
        task = asyncio.ensure_future(self.core.set_sampling_interval(interval))
        self.loop.run_until_complete(task)