Arduino UNO R4 WiFi

Introducing to you the Arduino UNO R4 WiFi! This board combines the computing power and exciting new peripherals of the RA4M1 microcontroller from Renesas with the wireless connectivity of Espressif's ESP32-S3. In addition, the UNO R4 WiFi offers a 12x8 LED matrix on board, a QWIIC connector, a VRTC pin for the backup battery, and an OFF pin, covering all potential requirements for your next project. With the UNO R4 WiFi, you can easily upgrade your project and add wireless connectivity to extend the range of your current setup. The UNO R4 WiFi is an extension of the Arduino family and is suitable for both beginners and experienced electronics enthusiasts. It's your key to creative and innovative projects.

Features of the new Arduino UNO R4 WiFi:

• Hardware compatibility with the UNO form factor: The UNO R4 WiFi retains the same form factor, pinout, and operating voltage of 5 V as its predecessor, the UNO R3. This ensures a seamless transition for existing shields and projects.
• Expanded memory and faster clock rate: The UNO R4 WiFi has expanded memory and a faster clock rate, allowing for more precise calculations and effortless handling of complex projects.
• Additional on-board peripherals: The UNO R4 WiFi introduces a range of on-board peripherals including a 12-bit DAC, CAN BUS, and OP AMP. These additional components offer advanced possibilities and flexibility in your designs.
• Extended 24V tolerance: The UNO R4 WiFi supports a wider input voltage range, allowing for seamless integration with motors, LED strips, and other actuators by utilizing a single power source.
• HID support: With built-in HID support, the UNO R4 WiFi can simulate a mouse or keyboard when connected to a computer via USB. This makes it easier to send keystrokes and mouse movements.
• Wi-Fi® and Bluetooth®: The UNO R4 WiFi houses an ESP32-S3 module, which allows you to add wireless connectivity to your projects. Combined with the Arduino IoT Cloud, you can remotely monitor and control your projects.
• QWIIC connector: The UNO R4 WiFi is equipped with a Qwiic I2C connector, which allows for easy and quick connection to other components via its uncomplicated plug system.

Recommended accessories:

• USB 3.0 Type C Cable 1m black

Documentation: 

• Arduino IDE Download
• Datasheet

Pinout Arduino UNO R4 WiFi:

Technical Details:

• Manufacturer: Arduino
• Board Name: Arduino® UNO R4 WiFi
• SKU: ABX00087
• Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4 with Floating-Point Unit)
• Wireless Connectivity: ESP32-S3
• USB: USB-C® Programming Port / HID
• Pins:
• Digital I/O Pins: 14
• Analog Input Pins: 6
• DAC: 1
• PWM Pins: 6
• Communication:
• UART: 1
• I2C: 2 (SDA, SCL / A4, A5 and QWIIC Connector)
• SPI: 1
• CAN: 1 (requires external transceiver)
• Others: VRTC & OFF Pin
• Performance:
• Circuit operating voltage 5 V (ESP32-S3 is 3.3 V)
• Input voltage (VIN): 6-24 V
• DC per I/O Pin: 8 mA
• Clock Rate: RA4M1 48 MHz, ESP32-S3 up to 240 MHz
• Memory: RA4M1 256 kB Flash, 32 kB RAM; ESP32-S3 384 kB ROM, 512 kB SRAM
• Dimensions: 68.85 x 53.34 x 15mm
• Weight: 45g

Package Includes:

• 1x Arduino UNO R4 WiFi