This circuit drives 10 LEDs making them flash to the rhythm of the music (using a TIP31C transistor to act as a voltage-controlled switch)
Credit: https://www.youtube.com/watch?v=3qZ3uA8hDmE
A simulated blinking LED circuit using an astable multivibrator a.k.a "flip-flop" as a square wave generator. It also includes PCB layout of the project.
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