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文章介绍了一种基于双音多频编码的远程无线控制器 ,它能在不影响语音通话的情况下完成远程控制。文章给出了控制的原理、通信模块图以及数据发送接收软件流程
This paper introduces a remote radio controller based on DTMF coding, which can accomplish remote control without affecting the voice call. The article gives the principle of control, communication module diagram and data sending and receiving software flow