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This is the code I made to make a working big john apparatus. That is a coil through which current is sent with a certain frequency using a mosfet and an arduino pin. On the coil, you place a thin metal object, like a metal ruler that you want to …
This is the code I made to make a working big john apparatus. That is a coil through which current is sent with a certain frequency using a mosfet and an arduino pin. On the coil, you place a thin metal object, like a metal ruler that you want to get vibrating, and that produces noise.
