The UNO R4 WiFi is a next-generation Arduino-compatible board that brings together the power of Renesas' 32-bit RA4M1 microcontroller and the Espressif ESP32-S3 module. Designed for innovation, this board enables wireless communication, real-time data processing, and edge computing—without the need for shields or extra modules. It’s the perfect upgrade for students, hobbyists, and professionals working on connected devices, home automation, and robotics projects.
Built on the trusted UNO form factor, the UNO R4 WiFi offers backward compatibility while unlocking next-level performance for modern embedded applications.







