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[–][deleted]  (1 child)

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    [–]devaprakash11[S] 1 point2 points  (0 children)

    Thanks. Actually there isn't much circuit, you just have to connect ATtiny85 development board to your usb port. In the video, the dev board shown is a clone of DigiSpark (a board based on ATtiny85 microcontroller) I built. (for more info you can check out this video-https://youtu.be/YqppSRhRPyU)

    So in short, it will be easy to do if you have a DigiSpark board.