Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
guyz i want to control 8 devices via remote control using avr controller range is about 25 meters which ir module can be used for 8 channel transmission ??
The same way a TV remote control can handle several functions. You modulate (encode) the IR diode at a specific speed then demodulate on the receiving end. Look at the data sheet for the TSOP 17 family. Note how the pulses are used on the carrier frequency. We modulate the carrier then on the receiving end demodulate the carrier with our data. The data is what it is all about. You are on your own as to IR range.
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