Arduino UNO R3 Board ATmega328P CH340G Straight Pin Header
Arduino UNO R3 Development Board with ATmega328P & CH340G USB Chip
Take your electronics projects to the next level with this UNO R3 Development Board featuring the reliable ATmega328P microcontroller and CH340G USB-to-serial chip. Whether you're a beginner just getting started with microcontroller programming or an experienced maker building advanced circuits, this improved UNO R3 board delivers the versatility and dependability your projects demand.
Key Features
- Microcontroller: ATmega328P — a powerful, low-power 8-bit AVR processor
- USB Interface Chip: CH340 / CH340G for stable, driver-friendly USB connectivity with PCs
- Form Factor: Improved UNO R3 layout with straight pin headers for easy breadboard and shield compatibility
- Type: Development / Learning Control Board (Communication IC)
- Connection Options: Available with or without USB cable (2 variants)
- Weight: Approx. 45 g per board
- Certification: None
Who Is This For?
This Arduino-compatible UNO R3 board is ideal for:
- Students and hobbyists learning embedded systems and programming
- Makers and engineers prototyping IoT devices, robotics, and automation projects
- Educators setting up hands-on electronics lab kits
- DIY enthusiasts building home automation controllers
What's in the Box?
- 1× UNO R3 Development Board (ATmega328P + CH340G)
- Straight pin headers pre-installed
- USB cable included or not included depending on selected variant
Why Choose the CH340G Version?
The CH340G USB chip offers broad driver support across Windows, macOS, and Linux, making setup quick and hassle-free. Pair it with the Arduino IDE and you're ready to upload sketches in minutes.
For more information on open-source hardware standards and microcontroller safety, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What microcontroller does this Arduino UNO R3 development board use?
A: This UNO R3 development board is built around the ATmega328P — an 8-bit AVR microcontroller widely used in Arduino-compatible projects. It is paired with the CH340 / CH340G USB-to-serial chip for reliable computer communication and easy driver installation on Windows, macOS, and Linux.
Q: Is this board compatible with the Arduino IDE and standard shields?
A: Yes. This is an improved UNO R3 layout board that is fully compatible with the Arduino IDE. Its straight pin headers conform to the standard UNO R3 pin spacing, making it compatible with most Arduino shields, sensor modules, and accessories available on the market.
Q: Does the board come with a USB cable?
A: This board is available in two variants — with a USB cable or without a USB cable. Please select your preferred option before adding to cart. The board weighs approximately 45 g.