Abstract:The remote control system based on DTMF transmission was discussed. It used a SCM (Single-chip microcomputer) and voice chip to realize remote communication control, which voice prompts can point out and feedback state information of the controlled side for different operations. Using this method, users in the outdoor can use any a DTMF phone including mobile, fixed telephone, according to the voice prompt, to carry out remote control of the switching and timing functions of the various home appliances. The sy… Show more
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