In this class, we’ll explore how the Raspberry Pi RP2040 can detect touch inputs with the addition of a single resistor for each pin. We’ll explore the fundamentals of how capacitive touch works, and show how this can be done with the Pico using the CircuitPython programming language.
Jeremy Cook is a freelance tech journalist who spent over a decade in manufacturing automation. In conjunction with writing, he loves to experiment with electronics and creative fabrication, using those skills to create everything from