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I made an Arduino RC car with a L298P driver PCB I designed myself

Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: ...
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How to Use Multiple Buttons on a Single Arduino Pin – Smart Pin-Saving Trick

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards ...