In order to solve the problem of being unable to operate computer multimedia devices away from them, this paper proposes a design of an intelligent multimedia computer remote control device based on STC89C51 single-chip microcomputer control. The design combines infrared remote control, infrared receiving circuit, and serial port to USB module to effectively overcome its shortcomings. The results show that the device can automatically identify and decode remote control signals, and can intelligently learn custom button functions. By using any remote control around you and combining this device, you can get rid of the constraints of computer wires. It is flexible to use, easy to operate, and has a high cost-effectiveness. It can be widely used in classrooms, conference rooms, homes, entertainment and other occasions.
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