Description: The topic of this graduation design is used to achieve AT89C51telephone remote control household appliances, the system is mainly composed of AT89C51chip, DTMF MT8870 decode chip, a voice chip ISD2560 and memory chip24C02. Can use telephone or mobile phone at any place, any time through this system to the remote control of home electrical appliances. The system can switch electrical appliances, delay switch electrical appliances, home audio monitor, password changes and storage and query, and has automatic voice prompt function.
The system has the advantages of reliable operation, low cost, convenient operation, high adaptability, and can be widely applied in city community, has greater popularization value.
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