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 ...

Arduino Inputs and Outputs a beginners guide 12:12 pm January 19, 2023 By Julian Horsey If you are looking to learn more about electronics and building projects using micro controllers and mini PCs.

(Google Translate) The wiring for this project is about as easy as you’d expect: the buttons connect to the digital inputs on the Arduino, and the LEDs on the digital outputs.