Designed for makers, students, and embedded developers, this board delivers enhanced processing power, expanded memory, modern USB-C connectivity, and advanced peripheral support — all while maintaining full compatibility with existing Arduino UNO shields and accessories.
Whether you’re building IoT systems, robotics, automation projects, sensor networks, or real-time control applications, the Arduino UNO R4 Minima gives you the performance and flexibility to bring ideas to life.
Key Features
-
32-bit High-Performance MCU: Renesas RA4M1 Arm® Cortex-M4 running at 48 MHz.
-
Generous Memory: 256 KB Flash + 32 KB SRAM + 8 KB EEPROM.
-
Standard UNO Form Factor: Full compatibility with Arduino UNO shields.
-
USB-C Connectivity: Modern USB-C port for power and programming.
-
Rich Communication Interfaces: UART, SPI, I²C & CAN support.
-
Analog & PWM Support: 14 digital I/O + 6 analog inputs + 6 PWM channels.
-
Wide Power Range: Operates at 5 V logic and supports 6–24 V input.
-
Built-in DAC & RTC: Enables audio output & real-time clock functions.
Technical Specifications
| Specification | Details |
|---|---|
| Microcontroller | Renesas RA4M1 (Arm Cortex-M4) |
| Clock Speed | 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| EEPROM | 8 KB |
| Digital I/O Pins | 14 |
| Analog Inputs | 6 |
| PWM Outputs | 6 |
| Connectivity | UART, I²C, SPI, CAN |
| USB | USB-C |
| Operating Voltage | 5 V |
| Input Voltage (VIN) | 6–24 V |
Who Should Buy This Board?
✔ Students & hobbyists learning embedded systems
✔ IoT developers prototyping sensor networks
✔ Robotics and automation project builders
✔ Engineers needing real-time data processing
✔ Makers upgrading from Arduino UNO R3
- • Microcontroller: Renesas RA4M1 (48 MHz, Arm® Cortex®-M4)
- • Flash Memory: 256 KB
- • SRAM: 32 KB
- • EEPROM: 8 KB
- • ADC Resolution: 14-bit
- • DAC Resolution: 12-bit
- • Real-Time Clock (RTC): Yes
- • Memory Protection Unit (MPU): Yes
- • Operating Voltage: 5V
- • Dimensions: Arduino UNO form factor
- • 1x Arduino UNO R4 Minima Board (Original)
- • 1x USB Cable
- • 1x Quick Start Guide
- • Embedded Systems Projects
- • Precision Sensor Networks
- • Secure IoT Device Development
- • STEM Education Platforms
- • Industrial Control Systems
