Take your first steps with programming the built-in LED matrix on the new Arduino UNO R4 WiFi – from installing the Arduino IDE to showing the example graphics, creating your own images, and playing a custom animation on your UNO R4. A quick walkthrough that will get you fully acquainted with the new board! Here's the written tutorial: Read thousands more Arduino tutorials and projects on – then share your own: Be sure to subscribe for more walkthroughs, unboxings, and tech interviews! More links: // Arduino UNO R4 WiFi & Minima – official page: // Alex's unboxing (UNO R4 WiFi and Minima): // Our article about the new boards: // Arduino's official getting-started page: // Official LED matrix tutorial: