TheDFRduino Nano is a high-performance Arduino Nano compatible development board designed for creators. As a versatile USB microcontroller, the DFRduino Nano V3.1 offers the perfect balance of power and size for any ATmega328 project.

• Compact & breadboard-friendly version of the classic Arduino Nano

• IntegratedUSB interface with the same ATmega328 chip

• Delivers all the functionality of theArduino Diecimila in a smaller, convenient form

Developer-Friendly Features of DFRduino Nano:

This Arduino Nano compatible board simplifies your workflow with built-in protections. Whether you are using the DFRduino Nano for education or industry, its ATmega328 microcontroller core ensures reliable performance.

• Automatic switching betweenUSB & external power

• Supportsserial communication & programming via mini-B USB

• Status LEDs forTX, RX & Power

The DFRduino Nano is Perfect For:

• Quick prototyping with the Arduino IDE

• Embedding ATmega328 microcontrollers in space-constrained projects

Key Features of DFRduino Nano (Arduino Nano Compatible)

• Auto-reset function for hassle-free program uploading

• Blue LED indicates power status

• TX (green), RX (red), and user (orange) LEDs

• +5V to AREF jumper support

• Automatic switching between USB and external power

• Mini-B USB port for programming and monitoring

• Highly durable USB Microcontroller design by DFRobot

• ICSP header for low-level programming

• Compact DIP design breadboard friendly (0.1 spacing)

• Manual reset button included

DFRduino Nano Technical Specifications

The DFRduino Nano V3.1 is built around the robust ATmega328 microcontroller, ensuring code compatibility with the standard Arduino Nano ecosystem.

• Microcontroller: Atmel ATmega328-20AU

• Operating Voltage: 5V (logic level)

• Input Voltage (recommended): 712V

• Digital I/O Pins: 14 (of which 6 provide PWM output)

• Analog Input Pins: 8

• DC Current per I/O Pin: 40 mA

• Flash Memory: 32 KB (2 KB used by bootloader)

• SRAM: 2 KB

• EEPROM: 1 KB

• Clock Speed: 16 MHz

Compatibility

As a professional-grade Arduino Nano compatible board, the DFRduino Nano ensures seamless integration with your existing hardware and software.

• Fully compatible with Arduino IDE and most Arduino Nano shields

• Works with Windows, Mac, and Linux systems

• Ideal for robotics, wearables, and embedded systems

Reference

DFRduino Nano WIKI