Скачать или смотреть Arduino UNO R4 WiFi: Getting Started – LED Matrix Custom Animations

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: https://www.hackster.io/glowascii/get...
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More links:
// Arduino UNO R4 WiFi & Minima – official page: https://store-usa.arduino.cc/pages/un...
// Alex's unboxing (UNO R4 WiFi and Minima):    • Arduino UNO R4 Unboxing // Tech Highlight  
// Our article about the new boards: https://www.hackster.io/news/arduino-...
// Arduino's official getting-started page: https://docs.arduino.cc/tutorials/uno...
// Official LED matrix tutorial: https://docs.arduino.cc/tutorials/uno...