Dual Tone Transceiver DTR

This paper introduces the technique of using PSTN as the transfers medium for remote control where the DTMF is used to get the control command.

文章引用公用电话网作为远程控制信号的传输媒体实施远程遥控的技术,利用双音频信号获取控制命令;剖析如何利用单片机芯片和语音芯片设计电话远程智能遥控系统。