Arduino Uno Rev4 Wifi

ArduinoSKU: RB-Ard-187
Manufacturer #: ABX00087

Price  :
Sale price ¥5,168

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In stock, 8 units

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  • Arduino Uno Rev4 Wifi
  • Offers 12x8 LED matrix and a Qwiic connector
  • Enables makers to venture into boundless creative possibilities
  • Built-in Wi-Fi and Bluetooth capabilities
  • Onboard 256 kB Flash and 32 kB RAM memory
  • Programming Port: USB-C
  • Input voltage (VIN): 6 - 24 V

The Arduino Uno Rev4 Wifi merges the RA4M1 microprocessor from Renesas with the ESP32-S3 from Espressif, creating an all-in-one tool for makers with enhanced processing power and a diverse array of new peripherals. With its built-in Wi-Fi and Bluetooth capabilities, the UNO R4 WiFi enables makers to venture into boundless creative possibilities.

Furthermore, this versatile board boasts a convenient on-board 12x8 LED matrix and a Qwiic connector, offering ample space for innovation and unleashing creativity. This dynamic combination empowers makers to transform their ideas into reality and elevate their projects to unprecedented heights.

With the UNO R4 WiFi, you can easily upgrade your project and add wireless connectivity to expand the reach of your current setup. If this is your first project, this board has everything you need to spark your creativity.

Expanded memory and faster clock: The UNO R4 WiFi boasts increased memory and a faster clock speed, enabling more precise calculations and effortless handling of complex projects.

Extra on-board peripherals: The UNO R4 WiFi introduces a range of on-board peripherals, including a 12-bit DAC, CAN BUS, and OP AMP, providing expanded capabilities and design flexibility.

Wi-Fi and Bluetooth: The UNO R4 WiFi hosts an ESP32-S3 module, enabling makers to add wireless connectivity to their projects. Combined with the Arduino IoT Cloud, makers can monitor and control their projects remotely.

Qwiic Connector: The UNO R4 WiFi features a Qwiic I2C connector, allowing easy connection to nodes from the extensive Qwiic ecosystem. Adapter cables also enable compatibility with sensors and actuators based on other connectors.

LED Matrix: The UNO R4 WiFi incorporates a bright 12x8 red LED matrix, ideal for creative projects with animations or plotting sensor data, eliminating the need for additional hardware.

  • 1x Arduino Uno Rev4 Wifi
  • 53.34 x 68.85 mm (L x W)
  • Microcontroller: Renesas RA4M1 (Arm Cortex-M4)
  • USB: USB-C (Programming Port)
  • Pins: Digital I/O Pins: 14 | Analog input pins: 6 | DAC: 1 | PWM pins: 6
  • Clock speed: Main core: 48 MHz | ESP32-S3: up to 240 MHz


  • UART: Yes, 1x
  • I2C: Yes, 1x
  • SPI: Yes, 1x
  • CAN: Yes 1 CAN Bus


  • Circuit operating voltage: 5 V (ESP32-S3 is 3.3 V)
  • Input voltage (VIN): 6 - 24 V
  • DC Current per I/O Pin: 8 mA


  • RA4M1: 256 kB Flash, 32 kB RAM
  • ESP32-S3: 384 kB ROM, 512 kB SRAM

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