Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ATmega328P |
| Operating Voltage | 5V |
| Digital I/O Pins | 14 (6 PWM outputs) |
| Analog Input Pins | 6 |
| DC Current per I/O Pin | 20 mA |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
| USB Interface Chip | CH340 |
Anonymous
Mar 30, 2026
Rating: 4/5
Good quality, minor pin labeling issue
The board functions perfectly for my robotics project. One small note is that the silk screen printing for the analog pins is slightly faint, but otherwise excellent.
Anonymous
Mar 21, 2026
Rating: 5/5
Great starter kit component
As someone new to electronics, this board made learning very approachable. Plenty of tutorials online work directly with this hardware.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for beginners and prototyping
This board works flawlessly with the Arduino IDE. The CH340 driver was easy to install on Windows 10. Great value for the price compared to official boards.
Anonymous
Mar 14, 2026
Rating: 5/5
Bulk purchase success
Ordered 20 units for our university club. Zero defects found. The ATmega328P performs exactly as expected for sensor reading and motor control.
Anonymous
Mar 14, 2026
Rating: 5/5
Reliable and fast shipping
I bought five of these for a classroom workshop. All of them worked out of the box. Uploading sketches is quick and stable.
Anonymous
Mar 09, 2026
Rating: 4/5
Solid clone
Does everything the original does at a fraction of the cost. The USB port feels slightly less robust, but for stationary projects, it is perfect.
Q: What is the difference between this and the official Arduino Uno?
A: The main difference is the USB interface chip. This board uses the CH340, while the official board typically uses an ATmega16U2. Functionally, they operate identically for most projects.
Q: Can I power this board with a 9V battery?
A: Yes, you can power the board via the barrel jack connector using a 7-12V DC power supply, such as a standard 9V battery adapter.
Q: Does this come with a USB cable?
A: This item usually includes only the board itself. Please check the specific package options at checkout, as USB cables are often sold separately or in bundle kits.
Q: Do I need to install specific drivers for this board?
A: Yes, this board uses the CH340 USB-to-serial chip. You will need to download and install the CH340 drivers, which are available for Windows, macOS, and Linux.
Q: Is this board compatible with the standard Arduino shields?
A: Absolutely. The R3 UNO form factor and pin layout are fully compatible with most standard Arduino shields available on the market.
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