Design of The Telephone Remote Control System for Household Electronic Appliance Based on Microcontroller
A household appliances of remote control system was designed.The design is based on the following basic principles:When somebody calls and ring the phone,The AT89S52 will start to count.When the numbers of the ringing are completed,the telephone will put on automatically,and the language circuit refers in the charge of the AT89S52.At the moment you should put in the system code and inspected it.If the code is right,the language circuit refers that you can put in the controlling code of household appliance.The dialing numbers are deciphered by the deciphering circuit DTMF,and then are decoded by single-chip microcomputer AT89S52.Thus it remote controls the household appliance.