Arduino Uno Rev 4 Minima

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Introducing the latest additions to the esteemed Arduino UNO family, the Arduino UNO R4 range. Building upon the well-established features of the beloved UNO family, the UNO R4 range incorporates a robust 32-bit microcontroller and introduces remarkable new features, positioning them as exceptional tools for prototyping and learning endeavors. This is the Arduino UNO R4 Minima.

Key benefits of the Arduino UNO R4 Minima

The Arduino UNO range is renowned for its user-friendly nature, durability, and accessibility. With the UNO R4 Minima, this renowned platform has reached new heights, setting a benchmark for prototyping and learning tools. The 32-bit microprocessor offers increased memory, expanded connectivity options, and enhanced connectors compared to previous generations. Combined with its affordability, the UNO R4 Minima becomes an ideal choice for novice creators.

Powerful performance at an affordable price: The UNO R4 Minima delivers impressive performance without compromising affordability. While providing exceptional features, this device aims to make high-end technology accessible to all.

Compatibility with previous generations: UNO R4 retains the same pinout and 5V operating voltage as the UNO R3, ensuring seamless migration of existing shields or projects to the UNO R4.

Exciting new features: The UNO R4 introduces several impressive peripherals, including a 12-bit DAC, CAN BUS, OP AMP, and SWD port. These additions unlock a realm of possibilities for creators to develop innovative solutions and advanced projects.

Ample memory and increased speed: With sixteen times more memory and a clock speed three times faster, the UNO R4 Minima effortlessly handles precise calculations and complex projects with ease.

Reliable robustness: UNO R4 boards encompass various protective features, such as overcurrent protection on the pins of the RA4M1, and meticulous circuit design that mitigates wiring errors, reducing the risk of board damage. Additionally, the board can be powered up to 24V.

Efficient debugging capabilities: The UNO R4 Minima incorporates an onboard SWD port, offering a straightforward and reliable method for debugging any issues by simply connecting a third-party debugging probe.

Technical specifications

  • MCU: R7FA4M1AB3CFM#AA0 (Arm cortex M4)
  • Memory: 256KB Flash / 32KB SRAM
  • Operating Voltage: 5V
  • Input Voltage: 6-24V
  • Clock Speed: 48 MHz
  • Programming Port: USB-C
  • Digital Pins: 14
  • PWM: 6
  • ADC: 6
  • DAC: 1 (12 bit)
  • SPI: 1
  • I2C: 1
  • CAN: 1

What's in the box?

1 x Arduino Uno Rev 4 Minima

You might be interested in a power supply, USB Type C cable or experimental platform for your new Uno.

Resources


Tutorials


FAQs

Can I use hardware compatible with the Arduino UNO R3 with the Arduino UNO R4 Minima?

Yes, the Arduino UNO R4 Minima was specifically designed to ensure compatibility with previous shields and compatible hardware developed for the Arduino UNO R3. The UNO R4 Minima maintains the same mechanical and electrical compatibility, allowing you to seamlessly use your existing shields and hardware with the new board. This makes it easy to upgrade to the UNO R4 Minima without the need for significant changes or adaptations to your projects.

Can I use my sketch developed for the UNO R3 in the UNO R4 Minima?

Yes, if your sketch was developed using the Arduino API. In case you are using instructions only available for the AVR architecture, some changes need to be made to ensure compatibility.

Are all libraries compatible with the UNO R3 also compatible with the UNO R4 Minima?

No, some UNO R3 libraries use instructions of the AVR architecture that are not compatible with the architecture of the UNO R4 Minima, however there are libraries that have already been ported as part of our early adopters program or are based on the Arduino API. 

  • Availability: 7 In Stock
  • Model: Arduino UNO R4 Minima
  • Brand: Arduino