Arduino Uno R4 Minima

What is this?

Introducing the Arduino UNO R4 Minima! This board boasts the RA4M1 microprocessor from Renesas, delivering increased processing power, expanded memory, ...

What can I build with it?

• Beginner robots, line followers, and classroom kits
• Sensor experiments with clear pin headers

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Compatibility notes

Arduino Uno R3: 5–5V typical domain. 5V logic. Use level shifting with 3.3V-only modules when required.

Known pins (verified catalog): 5V, 3.3V, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10…

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Specifications

• Arduino Uno R4 Minima
• Here's what the UNO R4 Minima brings to the table:
• Tech specs
• Documentation
• FAQs
• Can I use hardware compatible with the Arduino UNO R3 with the Arduino UNO R4 Minima?
• Can I use my sketch developed for the UNO R3 in the UNO R4 Minima?
• Are all libraries compatible with the UNO R3 also compatible with the UNO R4 Minima?
• Introducing the Arduino UNO R4 Minima! This board boasts the RA4M1 microprocessor from Renesas, delivering increased processing power, expanded memory, and additional peripherals. And the best part? It stays true to the reliable UNO form factor and operates at a practical 5 V voltage. Brace yourself for an upgrade like no other with the Arduino UNO R4 Minima!
• 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.
• 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.
• If you are looking to upgrade your project with wireless connectivity or want to start exploring the world of IoT, you can check the Arduino UNO R4 WiFi .
• 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.
• 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.
• 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 .

Listed from catalog data. Treat as merchant-provided, not independently lab-verified, unless noted above.

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