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Infrared Transceiver for the PC (2)

RC5 transmitter and data link

The circuit of the IR transceiver was introduced in the previous issue, along with sample applications for use as an RC5 receiver for the PC. In this, the second and last instalment, we examine the operation of the transmitter. In addition to PC remote control uses, we describe how it can be used for infrared data transmission between two PCs, with several examples to make everything clear.It can be useful to not only receive RC5 signals but also generate them, for example to automatically start a video recorder or switch on the television set at a certain time. In principle, every control function of an RC5 IR remote control unit can be automatically executed from the PC.
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