以电话网为平台、单片机为控制核心,再加上双音多频解码芯片对数据的编解码即可实现对家用电器的远程控制。本设计采用STC89C52为主控芯片,利用现有的个人通信终端,以PLMN和PSTN作为传输媒介,通过发送DTMF信号实现了对远程家电的状态控制及当前状态的查询。%The remote controlling of home appliances can be achieved through the platform of telephone network in addition to the MCU controller and dual audio decoder chip encoding and decoding the data.This design uses STC89C52 as the main master chip,in which we can use the existing personal communication terminals to achieve the remote controlling of home appliances and the current status inquired by sending DTMF signal based on the transmission medium of PLMN and PSTN.
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