Nano R3 Development Board w/ CH340, Mini-USB (Unsoldered)
The Nano R3 development board, featuring an ATmega328P-AU MCU and a cost-effective CH340 USB-to-serial converter, offers the functionality of an Arduino Uno in a compact, breadboard-friendly form factor. It includes a mini-USB port for programming and power, making it ideal for embedded projects requiring a small footprint.
Features
- Compact Nano R3 development board based on Atmel ATmega328P-AU MCU.
- Integrates a CH340 USB-to-serial chip for cost-effective communication via mini-USB.
- Features 14 digital I/O pins (6 PWM) and 8 analog inputs, operating at 5V logic.
- Standard 0.1″ DIP spacing for direct breadboard compatibility (unsoldered version).
- Flexible power options including mini-USB, unregulated 6-20V, or regulated 5V external supply.
Out of stock
The Generic Nano R3 development board, equipped with the ATmega328P-AU microcontroller, provides a powerful and compact alternative to larger Arduino boards like the Uno. Its smaller footprint makes it highly suitable for projects where space is a constraint, while retaining core functionalities. This version utilizes a CH340 USB-to-serial converter, offering an economical solution for USB communication and programming compared to older FTDI-based designs.
Powering the Nano R3 is versatile, supporting input via its mini-USB port, an unregulated external supply ranging from 6-20V connected to pin 30, or a regulated 5V external supply via pin 27. The board intelligently selects the highest available voltage source. It comes pre-installed with an old bootloader and supports ISP downloading, facilitating easy program uploads through the Arduino IDE once the necessary CH340 drivers are installed. The unsoldered headers allow for custom integration into breadboards or PCBs.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 4.5 × 1.8 × 0.5 cm |















