Arduino-Compatible UNO R4 WiFi

The Arduino-Compatible UNO R4 WiFi is an advanced evolution of the popular UNO microcontroller, combining the simplicity of the classic Arduino UNO with the power and connectivity of modern technology. Based on the 32-bit Renesas RA4M1 microcontroller, it includes an ESP32 module for Wi-Fi and Bluetooth, making it ideal for IoT projects and wireless communication applications. The UNO R4 WiFi also features a unique 12×8 LED matrix for visual prototyping and a Qwiic connector for easy plug-and-play project integration.

Key Features:

• Microcontroller: Renesas RA4M1 (48 MHz ARM Cortex-M4)
• Operating Voltage: 5V
• Input Voltage: 6-24V (wide range for flexible power options)
• Digital I/O Pins: 14 (6 PWM outputs)
• Analog Input Pins: 6
• Flash Memory: 256 KB (RA4M1) and 32 KB RAM
• Wi-Fi & Bluetooth: Integrated ESP32-S3 module for wireless connectivity

Additional Features:

• 12×8 LED Matrix: Ideal for prototyping visual outputs directly on the board
• Qwiic Connector: Plug-and-play connection for quick integration with I2C-based sensors
• 12-bit DAC, CAN Bus, OP Amp: Enhanced peripherals for advanced applications
• SWD Debugging Connector: Simplifies debugging with external hardware tools
• HID Support: Emulates devices like a keyboard or mouse for creative human interface projects
• Additional Pins: “OFF” pin to turn off the board and “VRTC” pin for RTC power backup

Technical Specifications:

• Dimensions: 68.6 mm x 53.4 mm (standard Arduino UNO form factor)
• Wi-Fi Module: ESP32-S3-MINI-1-N8 (2.4 GHz, IEEE 802.11 b/g/n, WEP, WPA, WPA2 security)
• USB-C Port: For power and programming
• Clock Speed: 48 MHz
• Interfaces: I2C, SPI, CAN, UART

Applications:

• IoT Projects: Connect sensors and actuators to the internet for home automation, monitoring, and more
• Prototyping: Ideal for developing new electronic projects with advanced wireless connectivity
• Education: Perfect for learning about electronics, programming, and IoT
• DIY & Embedded Systems: Suitable for hobbyists and engineers creating wireless devices, robots, and interactive systems

With its combination of classic Arduino simplicity and modern features like Wi-Fi, Bluetooth, and enhanced peripherals, the UNO R4 WiFi is perfect for both beginners and advanced makers looking to bring their wireless projects to life.

What’s in the box
1x Arduino-Compatible UNO R4 WiFi