Arduino® UNO R4 Minima (OTA001)

Discover the powerful Arduino UNO R4 Minima - your ultimate partner for electronics projects. With its improved and optimized design, this board delivers unmatched performance and functionality. Whether you're a beginner or an experienced electronics enthusiast, the UNO R4 Minima will provide reliable performance for every task you throw at it.
The UNO R4 Minima shares the same size and shape as its predecessor, the UNO R3, allowing you to seamlessly transition without making any changes to your existing projects. This takes advantage of the extensive and unique ecosystem already built around the Arduino UNO. Thanks to its expanded memory capacity and faster clock speed, the UNO R4 Minima offers a significant increase in processing power, allowing you to tackle complex projects with ease.
But that's not all. The UNO R4 Minima offers a range of new onboard components, including a 12-bit DAC, CAN BUS, and OP AMP. With this added functionality, you gain more flexibility and expandability when designing your projects.
The UNO R4 Minima has also increased its input voltage tolerance. It now supports a range up to 24V, allowing for seamless integration with motors, LED strips, and other actuators with a single power source.
For troubleshooting and monitoring your project, the UNO R4 Minima offers an SWD connector. This allows you to connect an external debugger and effortlessly observe the inner workings of your system. Stay in control and gain valuable insights into your projects.
Another useful feature of the UNO R4 Minima is its built-in HID (Human Interface Device) support. Simply connect the board to a computer via a USB cable and it can simulate a mouse or keyboard. This makes it easy to send keystrokes and mouse movements to the computer, improving the usability and functionality of your projects.
Arduino UNO R4 Minima Specifications:

Board Name: Arduino® UNO R4 Minima
SKU: ABX00080
Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)
USB: USB-C® Programming Port
Digital I/O Pins: 14
Analog Input Pins: 6
DAC: 1
PWM Pins: 6
Communication: UART, I2C, SPI, CAN-bus
Circuit Working Voltage: 5V
Input Voltage (VIN): 6-24V
Current per I/O pin: 8mA
Clock Speed: 48MHz
Memory: 256KB Flash, 32KB RAM
Dimensions: Width 68.85mm, Length 53.34mm

Unlock a world of possibilities with the Arduino UNO R4 Minima. Its exceptional features and enhanced capabilities make it the perfect companion for all your innovative projects. Whether you want to add wireless connectivity or explore the world of IoT, the Arduino UNO R4 Minima has you covered.
Feel the power of the UNO R4 Minima and create without limits!
What's the difference between the Arduino UNO R4 Minima and the Arduino UNO R3?
The main difference between the Arduino UNO R4 Minima and the Arduino UNO R3 is the UNO R4 Minima's improved hardware and added functionality. Here are some of the specific differences:


Microcontroller: The UNO R4 Minima uses the Renesas RA4M1 microcontroller, which is based on the Arm Cortex-M4 architecture. The UNO R3, on the other hand, uses the ATmega328P microcontroller.


On-board components: The UNO R4 Minima introduces additional on-board components, including a 12-bit DAC, CAN BUS, and OP AMP. These additional components provide greater flexibility and expandability when designing projects.


Memory and clock speed: The UNO R4 Minima offers a larger memory capacity and a faster clock speed than the UNO R3. It has 256KB of Flash memory and 32KB of RAM, allowing for more complex projects.


Input voltage tolerance: The UNO R4 Minima has a wider input voltage tolerance. It supports a 6-24V range, while the UNO R3 is limited to 6-20V.


Debugging and Monitoring: The UNO R4 Minima is equipped with an SWD connector, allowing for remote debugging and monitoring of the system. This allows users to observe the internal workings of their projects and troubleshoot issues.


HID Support: The UNO R4 Minima has built-in HID support, allowing it to function as a mouse or keyboard when connected to a computer via a USB cable. This greatly increases the usability and functionality of projects.


The main advantage of the Arduino UNO R4 Minima is that it is compatible with existing Arduino UNO shields and accessories, while offering improved performance and new capabilities. This makes it an ideal choice for both beginners and experienced electronics enthusiasts looking for more power and functionality in their projects.