Explore our selection ofUno R4 compatibleclone boards, offering the same powerful features as the officialArduino Uno R4 Minima and Uno R4 WiFiat a more affordable price. These boards maintain full compatibility with the Arduino ecosystem, making them ideal for prototyping, IoT applications, and DIY projects.

Compatible with UNO R4 Minima High-Performance Microcontroller for Advanced Projects

The UNO R4 Minima is a powerful development board featuring the Renesas RA4M1 microcontroller with a 32-bit ARM Cortex-M4 core running at 48 MHz. Designed for embedded applications, it offers enhanced processing power, expanded memory, and a variety of onboard peripheralsall while maintaining the classic UNO form factor for seamless compatibility with existing shields and accessories.

Key Features:

• Optimized Performance:The 32-bit ARM Cortex-M4 core ensures efficient processing and low power consumption, ideal for demanding applications.
• Flexible Connectivity:Features a modern USB-C port for power and programming, along with CAN BUS support for robust communication in industrial and automotive applications.
• Advanced Analog Capabilities:Equipped with a 12-bit DAC and operational amplifier for precise analog signal processing, making it perfect for audio, sensor integration, and signal generation.
• Seamless Debugging:Includes an SWD (Serial Wire Debug) connector for professional-grade debugging, programming, and real-time system monitoring.
• Expanded Power Support:Supports input voltages up to 24V, enabling easy integration with motors, LED strips, and actuators without additional power management.
• HID Functionality:Can function as a keyboard or mouse when connected to a computer, enabling seamless interaction with software applications.
• Familiar UNO Form Factor:Maintains the pinout, 5V operating voltage, and overall design of the UNO R3, ensuring compatibility with a vast ecosystem of shields and accessories.

Ideal for IoT, robotics, industrial control, and embedded systems, the UNO R4 Minima provides a powerful yet compact platform for innovation.

Uno R4 vs Uno R3: Key Advantages

The Uno has been the cornerstone of the maker movement for nearly two decades, with the R3 version becoming the de facto standard for electronics hobbyists and educators worldwide. With the introduction of the R4 series (available in both Minima and WiFi variants)