The UNO R3 ATmega328P (CH340G) development board is a high-quality, fully compatible version of the original Arduino UNO R3, designed for stability, affordability, and ease of use. Powered by the ATmega328P-AU microcontroller and CH340G USB interface chip, this board ensures seamless connectivity and dependable performance on modern operating systems — even on Windows 7, 8, and 10 (both 32-bit and 64-bit).

This optimized version includes pin headers for easy Dupont connections, a USB Type-C interface, and enhanced driver compatibility. Perfect for students, hobbyists, and developers, it supports all Arduino libraries and shields, making it a versatile tool for robotics, IoT, and automation projects.

Highlights
ATmega328P-AU microcontroller (16 MHz)
CH340G USB interface
Fully compatible with Arduino UNO R3 and Arduino IDE
USB Type-C connectivity
Supports USB or 5–9V DC power
5V and 3.3V outputs
Digital I/O pins (0–13) and analog inputs (0–5)
Supports ISP programming and USB upload
Includes pin headers for easy connections
Suitable for education, DIY, and prototyping