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Arduino
Product Code
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23652
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Notify me when its in stockArduino® UNO R4 Minima is a next-generation development board that preserves the classic form factor of the Arduino® UNO series while being updated with more powerful hardware features. With its Renesas RA4M1 32-bit Arm® Cortex®-M4 microcontroller, 48 MHz clock speed, expanded memory capacity, and modern USB-C® connection, it offers a powerful platform for both beginner-level and advanced electronics projects.
UNO R4 Minima maintains the 5V operating voltage and provides hardware compatibility with many shields and accessories in the UNO form factor. This allows you to upgrade your existing UNO-based projects with a more powerful microcontroller, more memory, and additional peripherals. It is an ideal choice for prototyping, education, automation, robotics, sensor applications, and interactive projects.
Arduino® UNO R4 Minima is equipped with advanced features such as a 12-bit DAC, CAN Bus, OP AMP, Real-Time Clock (RTC), SWD connector, and HID support. Its 6-24V input voltage support provides more flexible use with different power sources and applications. Programming, power supply, and serial communication can be performed through the USB-C® port.
Arduino® UNO R4 Minima can be programmed with Arduino® IDE and Arduino® Cloud Editor. Thanks to the libraries, example projects, and community resources in the Arduino® ecosystem, the development process becomes easy and accessible. Many projects developed for UNO R3 can also be used on UNO R4 Minima if they use the Arduino® API; however, compatibility checks may be required for AVR architecture-specific code or libraries.
Arduino® UNO R4 Minima can be powered through the USB-C® port, barrel jack, or VIN pin. The operating voltage of the board is 5V. An input voltage between 6-24V can be applied through VIN or the barrel jack. The power input is supported by protection circuits against conditions such as reverse polarity and overvoltage.
UNO R4 Minima offers a larger memory capacity compared to previous UNO models. Thanks to its 256 kB Flash memory, 32 kB SRAM, and 8 kB EEPROM, larger programs and more advanced applications can be developed.
The board has 14 digital I/O pins and 6 analog input pins. The 6 PWM pins can be used in applications such as motor control and LED brightness adjustment. Analog inputs support up to 14-bit ADC resolution. In addition, 12-bit DAC analog output can be used through the A0 pin.
Arduino® UNO R4 Minima offers UART, I2C, SPI, and CAN Bus communication options. D0 and D1 pins can be used for UART, SDA/SCL pins for I2C, and the ICSP header and related digital pins for SPI. An external transceiver is required for CAN Bus use.
Arduino® UNO R4 Minima can be programmed with Arduino® IDE and Arduino® Cloud Editor. Code can be uploaded and serial communication can be performed through the USB-C® connection. Advanced debugging operations can be performed with external debuggers thanks to the SWD connector. Thanks to HID support, the board can be used in projects that behave like a mouse or keyboard when connected to a computer.
The board includes power management and protection circuits. USB-C® and external power inputs are designed to help power the board safely. Schottky diodes are used to provide protection against reverse polarity and overvoltage conditions.