The Original Arduino UNO EK (एक) R4 Minima - Made in India is a next-generation 32-bit microcontroller development board jointly introduced by Arduino and manufactured in India under the Arduino EK (एक) initiative. Designed for embedded systems, robotics, industrial automation, Internet of Things (IoT), smart devices, education, rapid prototyping, and commercial product development, the Arduino UNO EK R4 Minima delivers significantly enhanced computing performance while preserving the familiar Arduino UNO form factor and compatibility with existing Arduino UNO shields. Equipped with the powerful Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, native USB Type-C connectivity, CAN Bus support, a 12-bit DAC, high-resolution ADC, and 5V operating logic, the Arduino UNO EK R4 Minima offers an ideal platform for beginners, students, makers, engineers, researchers, and professional developers.

Powered by the Renesas RA4M1 microcontroller, the Arduino UNO EK R4 Minima features a 48MHz 32-bit Arm Cortex-M4 processor with Floating Point Unit (FPU), delivering considerably higher processing performance than traditional 8-bit Arduino boards. Combined with 256KB of Flash memory, 32KB of SRAM, and 8KB of EEPROM emulation, it is capable of handling demanding applications including robotics, industrial automation, motor control, data acquisition, IoT gateways, sensor fusion, smart instrumentation, embedded control systems, communication interfaces, and real-time embedded software development with ease.

The Arduino UNO EK R4 Minima provides 14 digital input/output pins, 6 PWM outputs, 6 analog input channels with 14-bit ADC resolution, one 12-bit DAC output, USB Type-C programming interface, CAN Bus communication, UART, SPI, I²C interfaces, SWD debugging support, and a VIN input supporting a wide operating voltage range. Maintaining full 5V logic compatibility with the classic Arduino UNO platform, it seamlessly supports a wide variety of Arduino shields, sensors, displays, motor drivers, communication modules, and expansion boards. These features make the board ideal for robotics, industrial automation, embedded product design, smart devices, research, and educational applications.

Designed for students, hobbyists, educators, engineers, researchers, and professional developers, the Original Arduino UNO EK (एक) R4 Minima supports Arduino IDE, Arduino CLI, PlatformIO, and numerous embedded software development environments. With broad compatibility for C/C++, FreeRTOS, TinyML libraries, TensorFlow Lite for Microcontrollers, communication libraries, and thousands of open-source Arduino libraries, it provides an outstanding platform for education, research, commercial product development, industrial automation, and advanced embedded system design.

Key Features

Renesas RA4M1 32-bit microcontroller
32-bit Arm Cortex-M4 processor with FPU
48MHz processor clock speed
256KB Flash memory
32KB SRAM
8KB EEPROM emulation
5V operating logic compatible with Arduino UNO ecosystem
14 digital input/output pins
6 PWM output pins
6 analog input channels
14-bit Analog-to-Digital Converter (ADC)
12-bit Digital-to-Analog Converter (DAC)
USB Type-C programming interface
Integrated CAN Bus controller
UART, SPI, and I²C communication interfaces
SWD debugging support
Compatible with Arduino UNO R3 shields
Supports Arduino IDE and PlatformIO
Excellent platform for embedded systems and IoT development
Ideal for robotics and industrial automation
Suitable for education, prototyping, and commercial products
Large open-source Arduino software ecosystem
Perfect for education, embedded systems, research, and commercial applications