As the Uno Rev3 only has 14 digital I/O pins and six analog input pins, it's best suited for projects not requiring too many components. Most of the built-in examples in the Arduino IDE software ...

Versions The higher-end R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth LE connectivity, and a 12×8 red LED matrix is present for basic animations or for plotting ...

Arduino, the open-source hardware and software platform, has launched its next-generation UNO board, a significant revision of its 8-bit technology. Powered by a 32-bit microcontroller, the new UNO R4 ...