SunFounder 3in1 Kit
1.1 Arduino Uno R4 Minima
Overview
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 brings to the table:
• 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
4 Chapter 1. Components List and Introduction
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