Join the CheerLights community by building your own LED color-sharing project using an Arduino Nano ESP32. Create a delightful LED color interaction experience.

Learn about inputs–electrical signals used to provide information to an Arduino board. We cover digital input with switches and analog input with potentiometers.

Arduino makes it easy to tinker with technology. It’s a family of microcontroller boards that let you sense the world around you and control electrical devices.

Learn how to hook up some LEDs to a battery pack and also how to create a simple circuit for playing audio without the need for coding or programming.

This how-to article covers the basics of connecting character LCD displays to an Arduino.