基于DTMF的远程控制报警电路

Remote Control and Alarming Circuit Based on DTMF IC Chip

介绍了一种以单片机芯片AT89C51为核心,由话路检测与控制、自动拔号、IC语音录放等功能模块所组成的电话语音报警系统,它可通过电话线路自动完成语音报警及远程控制的功能.

A telephone speech alarming system based on the single chip microcomputer AT89C51, which was composed by telephone detecting and controlling module , automatically dialing module ,and speech recording and playing module was introduced . This system might automatically perform the function of the speech alarming and remote controlling through telephone network.