The project is a PC controlled cable TV changer which uses an Infra-Red LED and a Microchip PIC microcontroller. During a recording, the device is designed to change channels on the cable TV set-top ...
The transmitter offers a optical link (infrared) for headphones. Three infrared leds (ir) are polirised by T1 current, P1 is used to adjust the current level . Current consumption of this headphones ...
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