The Arduino UNO REV4 offers unparalleled versatility and possibilities for makers of all levels, allowing students to easily upgrade their projects and add wireless connectivity. This 32-bit microprocessor offers more speed, memory, connectors, and connectivity options than any previous version of the board. The Arduino UNO REV4 combines the processing power and exciting new peripherals of the RA4M1 microcontroller from Renesas with the wireless connectivity power of the ESP32-S3 from Espressif. Its distinctive 12 x 8 LED matrix makes it possible to prototype visuals directly on the board. And, with a Qwiic connector, students can create projects plug-and-play style.