Arduino Uno board 3 × LEDs (Red, Green, Blue) 3 × 220Ω resistors 3 × Push buttons Breadboard Jumper wires USB cable for programming the Arduino Circuit Connections Each push button and LED is ...

An Arduino library that makes it easy to check for push button events (click, double-click, hold) without blocking your application with a delay.

Jumper wires soldered to the circuit board simply allow the Arduino to emulate button pushes.

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 ...