Today we are going to explain about a simple circuit which is used to switch on/off any electrical device remotely through a relay using the normal TV/VCR/VCP/VCD remote control unit. First of all, ...

Depressing a button on a modern Consumer IR, CIR, remote control causes a 940nm LED to blink. As the LED toggles a pulse stream of infrared light is generated. The pulse stream is a pattern which ...