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IR REMOTE TESTING CIRCUIT | PCB Design

IR REMOTE TESTING CIRCUIT
Version 2 - Last update: Oct 4, 2015

Here is the simplest ir remote testing circuit ever. If you want to test any ir remote just bring it closer to the photodiode and press any key you will see the led so connected to it flashing at the same rate as the remote ir led. Then you will know the remote is working or not.

It consists of a photodiode connected in series to a battery and LED

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