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给出了利用单片机及 MT8880双音多频 ( DTMF)编、解码电路构成的智能控制系统 .这套系统能够通过电话网提供交互式远程控制
An intelligent control system composed of single chip microcomputer and MT8880 dual tone multi-frequency (DTMF) encoder and decoder circuit is presented, which provides interactive remote control over the telephone network