Arduino Uno R4 Minima Official WiFi Development Board

The Arduino Uno R4 Minima introduces 32-bit processing power to the iconic Uno series, bringing enhanced performance and expanded memory while maintaining compatibility with many existing Uno shields. Powered by the Renesas RA4M1 microcontroller, this board combines advanced features with the familiar form factor, making it a versatile choice for new and legacy projects.

Need help getting started with an Arduino? Start with our Arduino Getting Started Guide to learn setup and coding basics, and check out our LED Blink Guide for your first project.

Key Features:

• Microcontroller: Renesas RA4M1 (R7FA4M1AB3CFM#AA0) with a 48 MHz Arm® Cortex®-M4 processor.
• Operating Voltage: 5V, ensuring compatibility with Uno form factor accessories.
• Input Voltage: 6-24V via barrel jack or 5V through USB-C®.
• Memory:
  • 256KB Flash for larger programs.
  • 32KB SRAM for handling complex variables.
  • 8KB EEPROM for persistent data storage.
• Connectivity:
  • 14 digital I/O pins, 6 of which are PWM-capable.
  • 6 analog input pins (ADC).
  • Interfaces: 1x UART, 1x SPI, 1x I2C, 1x CAN.
• Advanced Features:
  • Capacitive touch sensing unit.
  • USB 2.0 full-speed module.
  • Up to 14-bit ADC and DAC.
  • Built-in operational amplifier.

Safety and Durability:

• Protection: Schottky diodes safeguard against overvoltage and reverse polarity.
• Temperature Range: Operates reliably in conditions from -40°C to 85°C.

Benefits:

• Enhanced Performance: The 32-bit architecture and increased memory enable more demanding applications.
• Familiar Compatibility: Hardware compatibility with previous Uno shields ensures a seamless upgrade path.
• Flexible Power Options: Can be powered via USB-C® or barrel jack for convenience.

Applications:

Ideal for a variety of projects, including:

• IoT Devices: Benefit from the board's advanced processing power and connectivity options.
• Embedded Systems: Perfect for applications requiring precise analog inputs and outputs.
• Educational Tools: A powerful and affordable solution for students and makers exploring advanced microcontroller features.

Programming and Development:

The Uno R4 Minima is programmable using the Arduino IDE, available online and offline. While the hardware remains compatible with legacy Uno shields, some shields may require software adjustments due to the new microcontroller.

Why Choose the Arduino Uno R4 Minima?

For makers, educators, and developers seeking a compact yet powerful microcontroller board, the Uno R4 Minima is the next step forward in Arduino’s evolution. With its enhanced capabilities and reliable form factor, it’s the perfect board for innovative and demanding projects.

Unleash the potential of your projects with the Arduino Uno R4 Minima Official Development Board!

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