Infra-Red Transmitter
This project uses a Microchip PIC microcontroller and an Infra-Red LED to act as a PC controlled cable TV changer.It’s use to change channels on the cable TV set-top box when making a recording.A very simple program on the computer sends the channel number over RS232 to this PIC based IR transmitter which creates the correct waveform for the digits to be sent.
   Infra-Red Transmitter
Full details on www.gedanken.demon.co.uk

 
 
 

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