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Refers to the conversion of electric power by using solid state components such as semiconductors. Can also generally apply to the field of electrical engineering which works with power electronics.

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Will an arduino output pin set low ground a pin on a DFPlayer module

I have a DFPlayer MP3 module I'm using for a small soundboard project. I have a button that grounds ADKEY1(Pin 12), which triggers playing the next MP3. I'm adding an Arduino into that mix that I want …
Jim Weinhart's user avatar