The DFRduino 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 Integrated USB interface with the same ATmega328 chip Delivers all the functionality of the Arduino 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 between USB & external power Supports serial communication & programming via mini-B USB Status LEDs for TX, 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): 7–12V 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
