通过微控制器发送数据请求信号，并通过射频收发一体芯片Si4432，将所采集到的数据发送至主控机。主控机的处理单元也拟采用瑞萨微控制器来实现-Through the micro-controller sends data request signal and through the RF transceiver chip Si4432, is sent to the master of the collected data. Master processing unit can also be a