Arduino Uno R4 Minima Official WiFi Development Board
Arduino Uno R4 Minima Official WiFi Development Board has a 5-10 day lead time before dispatch. Order will only be sent once all items are available for delivery.
Arduino Uno R4 Minima Official WiFi Development Board
The Arduino Uno R4 Minima Official Development Board is the next generation of the iconic Arduino Uno, delivering substantially more processing power while retaining the familiar Uno form factor and 5V operating voltage. Built around the Renesas RA4M1 32-bit Arm® Cortex®-M4 microcontroller, it offers higher performance, increased memory, and powerful new peripherals, making it an excellent choice for beginners, educators, and experienced developers alike.
The Uno R4 Minima is designed as a natural upgrade from the Arduino Uno R3, allowing many existing Uno shields and accessories to be reused without hardware modifications. Whether you're building robots, automation systems, data loggers, industrial controllers or interactive projects, the Uno R4 Minima provides the performance needed for more demanding applications while remaining easy to program using the Arduino IDE.
New to Arduino? Learn the basics with our What is Arduino? guide, follow our Arduino IDE Setup Guide, or browse our complete collection of Arduino Tutorials and Guides.
Key Features
- Official Arduino Uno R4 Minima Development Board
- Powerful Renesas RA4M1 32-bit Arm® Cortex®-M4 processor running at 48MHz
- Maintains the classic Arduino Uno footprint and 5V operating voltage
- Compatible with many existing Arduino Uno R3 shields and accessories
- USB-C® connector for programming and power
- Built-in 12-bit DAC for true analog voltage output
- Integrated CAN Bus controller for industrial and automotive communication
- Built-in operational amplifier (OP AMP)
- Capacitive touch sensing support
- USB HID support for creating custom keyboards, mice and controllers
- SWD debugging connector for advanced development
- Fully supported by the Arduino IDE
Applications
- STEM education and electronics learning
- Robotics and automation projects
- Industrial monitoring and CAN Bus communication
- IoT and embedded systems
- USB keyboard, mouse and game controller projects
- Data logging and instrumentation
- Sensor interfacing and control systems
- Home automation and smart devices
Compatibility
The Arduino Uno R4 Minima preserves the same board dimensions, pin layout and 5V logic levels as the Arduino Uno R3, making it compatible with many existing Uno shields and expansion boards. Most sketches written using the standard Arduino API can be used without modification, although projects or libraries that rely on AVR-specific instructions may require updates for the Renesas ARM architecture.
If you need built-in wireless connectivity, see the Arduino Uno R4 WiFi Official Development Board.
Looking for a classic Uno? We also stock the Official Arduino Uno R3 and the Compatible Arduino Uno R3.
Protect your board with one of our Arduino Cases & Enclosures.
Technical Specifications
- Microcontroller: Renesas RA4M1 (R7FA4M1AB3CFM#AA0)
- Processor: 32-bit Arm® Cortex®-M4
- Clock Speed: 48MHz
- Operating Voltage: 5V
- Input Voltage (VIN): 6-24V
- USB Connector: USB-C®
- Digital I/O Pins: 14
- PWM Outputs: 6
- Analog Input Pins: 6
- 12-bit DAC: 1
- Communication Interfaces: UART, I2C, SPI and CAN Bus
- USB Human Interface Device (HID): Supported
- Capacitive Touch Sensing: Supported
- Integrated Operational Amplifier (OP AMP)
- Flash Memory: 256KB
- SRAM: 32KB
- EEPROM: 8KB
- Maximum DC Current per I/O Pin: 8mA
- Operating Temperature: -40°C to 85°C
- Dimensions: 68.85 × 53.34mm
Resources
Note: Although the Arduino Uno R4 Minima is hardware compatible with many Arduino Uno R3 shields, some existing libraries and sketches that rely on AVR-specific instructions may require updates to support the Renesas RA4M1 architecture.
This product can be found here:
