Arduino UNO R4 WiFi – Next-Gen Microcontroller with ESP32-S3, Onboard WiFi, LED Matrix & Expanded Capabilities

Unlock the next evolution of embedded innovation with the Arduino UNO R4 WiFi, powered by the advanced RA4M1 32-bit Arm® Cortex®-M4 processor. Designed as a performance-driven upgrade to the iconic UNO family, this board integrates onboard WiFi and Bluetooth® via the ESP32-S3, enabling seamless connectivity for IoT, automation, robotics, and cloud-based applications.

With its increased memory, higher clock speed, expanded voltage tolerance, and integrated 12x8 LED matrix, the UNO R4 WiFi empowers developers, makers, educators, and engineers to build modern, scalable, and cloud-connected solutions with ease. The board maintains full mechanical compatibility with existing UNO shields while offering substantial improvements in efficiency, connectivity, and functionality.

Whether you’re building smart home devices, industrial IoT prototypes, wireless monitors, or classroom-ready learning systems, the UNO R4 WiFi delivers enterprise-grade performance with the simplicity developers trust.

Key Features

• 🚀 32-bit Arm Cortex-M4 RA4M1 processor for high-performance computing

• 📶 Onboard WiFi + Bluetooth® (ESP32-S3) for IoT and wireless applications

• 💡 12x8 LED matrix for visual output, animations, and debugging

• ⚡ Improved speed, memory, and peripherals over previous UNO models

• 🔌 Full compatibility with UNO form factor shields and accessories

• 🧠 Ideal for IoT, automation, education, robotics, prototyping, and cloud projects

• 🛠️ Includes expanded analog, digital, and advanced hardware interfaces

Package Includes

• 1 x Arduino UNO R4 WiFi – Next-Gen Microcontroller with ESP32-S3, Onboard WiFi, LED Matrix & Expanded Capabilities