An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape.

Creators can start with devices such as the Arduino, an inexpensive control board that’s easy to program and can hook up to a wide variety of hardware.

Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, along with additional pins and a new, faster processor.

The idea is to provide you with a more visual language to program in so you can understand how things work better. Even if you're experienced with Arduino programming, it's fun to play around with.