This paper is the infrared remote control receiver design. It is 8-channel infrared remote control switch based on the core of single-chip AT89S51 and infrared remote control technology.
This hardware of the remote control system composed by the launch part and receive part. Launch part is an ordinary TV remote control. Receive part is composition of the single-chip AT89S51,+12V power circuits, infrared receiver circuit, tips buzzer circuit and relay LED display circuit. This system is capable of eight single-control-off circuit for electrical appliances like electric fans control the wireless.
Infrared remote control has several advantages about stable performance, simple structure, maturity of the technology, easy to implement, etc. It has the use of a wide range, such as in industrial control, intelligent instruments and meters, household appliances.