The system design coupled with the remote control MCU STC89C51 programming switches to control household appliances, allow people to use a single remote control refrigerators, electric fans, water dispenser and other home appliances. The core of this design is based on SCM stc89c51, the use of optical coupler to detect the form of car speed and distance, using the movement led display car status and mileage, and the external electromagnetic buzzer to warn has received remote control signal, this paper focuses on the system' s hardware design methods and software design approach.

duogongnenghongwaiyaokong.doc

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