Enroll to Review the Arduino Uno R4 Minima

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Enhanced and Improved

The Arduino UNO R4 Minima is armed with a powerful 32-bit microcontroller courtesy of Renesas. Brace yourself for increased processing power, expanded memory, and a whole new level of on-board peripherals. The best part? Compatibility with existing shields and accessories remains intact, and there's no need to make any changes to the standard form factor or 5 V operating voltage.

Joining the Arduino ecosystem, the UNO R4 is a trusty addition suitable for both beginners and seasoned electronics enthusiasts. Whether you're just starting out or looking to push the boundaries of your projects, this robust board delivers reliable performance every time.

Here's what the UNO R4 Minima offers:

  • Hardware compatibility with UNO form factor: The UNO R4 Minima maintains the same form factor, pinout, and 5 V operating voltage as its predecessor, the UNO R3. This ensures a seamless transition for existing shields and projects, leveraging the extensive and unique ecosystem already established for the Arduino UNO.
  • Expanded memory and faster clock: Prepare for more precise calculations and the ability to handle complex projects with ease. The UNO R4 Minima boasts increased memory and a faster clock speed, empowering you to tackle demanding tasks effortlessly.
  • Extra on-board peripherals: The UNO R4 Minima introduces a range of on-board peripherals, including a 12-bit DAC, CAN BUS, and OP AMP. These additional components provide you with expanded capabilities and flexibility in your designs.
  • Extended 24 V tolerance: The UNO R4 Minima now supports a wider input voltage range, allowing power supplies up to 24 V. This enables seamless integration with motors, LED strips, and other actuators, simplifying your projects by utilizing a single power source.
  • SWD connector: Debugging is a critical aspect of any project. Simply connect an external debugger to the UNO R4 Minima and effortlessly monitor the inner workings of your system. Stay in control and gain valuable insights.
  • HID support: The UNO R4 Minima comes with built-in HID (Human Interface Device) support, enabling it to simulate a mouse or keyboard when connected to a computer via a USB cable. This convenient feature makes it a breeze to send keystrokes and mouse movements to a computer, enhancing usability and functionality.
  • Get ready to unlock a world of possibilities with the Arduino UNO R4 Minima. Its exceptional features and enhanced capabilities make it the perfect companion for your innovative ventures.


Product Variants

  • Arduino Uno R4 Minima---this is the variant for this roadtest
  • Arduino Uno R4 Wi-Fi


UNO R4 Minima Development Board R7FA4M1AB3CFM#AA0

RoadTest Goals

Working with the documentation, open the box and test the out of the box experience. Show us what you discovered through text, images, videos, and/or any other media, so the reader understands what is involved in using the product.

Important Dates

Begin enrollment:  August 17, 2023
End enrollment:  Sept 27, 2023
Select roadtesters:  Sept 28, 2023
Ship unit:  Oct 10 2023
Begin roadtesting:  Oct 15 2023
element14 follow up: Nov 15 2023
Post Reviews by:  Dec 15 2023

More About Arduino

Arduino is an open-source hardware, software and content platform with a global community of over 30 million active users. Born to provide an easy-to-use platform for anyone making interactive projects, Arduino has adapted to new needs and challenges, branching out into products for IoT, wearables, 3D printing and embedded environments. Its success has been made possible by combining a wide variety of electronics boards, easy-to-use tools, a collaborative community and practical project examples to suit all levels.

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