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代码说明：

说明：  实现单片机的无线通信，和e50无线串口的使用。能够运用到如智能家居等，无线连接的电气中，建立无线网络，实现一对多的通讯。(The wireless communication of MCU and the use of E50 wireless serial port are realized. It can be used in the electrical connection such as smart home, wireless network, and realize one-to-many communication.)