This method sets the Firmata sampling interval in ms.
        :param command:{"method": "set_sampling_interval", "params": [INTERVAL]}
        :returns:No return message.

async def set_sampling_interval(self, command):
        """
        This method sets the Firmata sampling interval in ms.
        :param command:{"method": "set_sampling_interval", "params": [INTERVAL]}
        :returns:No return message.
        """
        sample_interval = int(command[0])
        await self.core.set_sampling_interval(sample_interval)