Arduino UNO R4 WiFi is a powerful development board featuring a 32-bit Renesas RA4M1 microcontroller and built-in Wi-Fi & Bluetooth connectivity via ESP32-S3. With improved performance, USB-C support, onboard LED matrix, and extensive I/O options, it is ideal for IoT, robotics, automation, and advanced Arduino projects.
Arduino UNO R4 WiFi Development Board – Arduino Compatible
The UNO R4 WiFi Development Board is a powerful and versatile Arduino-compatible development board designed for IoT, robotics, automation, electronics prototyping, and educational projects. It combines the familiar UNO form factor with significantly improved processing power, wireless connectivity, and modern hardware features.
The board is based on the Renesas RA4M1 32-bit microcontroller and includes an ESP32-S3 module for Wi-Fi and Bluetooth® connectivity, making it an excellent choice for connected and smart-device applications.
Key Features
Arduino UNO-compatible form factor
32-bit Renesas RA4M1 microcontroller
48 MHz ARM Cortex-M4 CPU
256 KB Flash memory
32 KB SRAM
8 KB data memory
Built-in Wi-Fi connectivity
Built-in Bluetooth® Low Energy (BLE)
Integrated 12 × 8 red LED matrix for displaying icons, animations, text, and sensor data
Qwiic / I²C connector for easy connection to compatible sensors and modules
CAN bus support for automotive and industrial projects
USB-C connector for programming and communication
Compatible with the Arduino IDE and Arduino ecosystem
Compatible with many existing Arduino UNO shields
Suitable for IoT, robotics, automation, monitoring, and embedded applications
Applications
The UNO R4 WiFi is suitable for a wide range of projects, including:
IoT and smart-home projects
Wireless sensor networks
Robotics and automation
Remote monitoring and control
Industrial control prototypes
Educational and STEM projects
Bluetooth-enabled devices
Wi-Fi-based data logging
Display and sensor applications
Arduino shield-based projects
Why Choose UNO R4 WiFi?
Compared with the traditional Arduino UNO R3, the UNO R4 WiFi offers much greater processing capability, more memory, wireless connectivity, a built-in LED matrix, and additional communication interfaces, while maintaining the familiar UNO board layout. This makes it an excellent upgrade for both beginners and experienced developers.
Package Includes:
1 × UNO R4 WiFi Development Board
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