A
Anonymous
Mar 29, 2026
Rating: 5/5
Fast shipping
Arrived well packaged in anti-static bag. Ready to use out of the box.
Description
ATmega328P UNO R3 Development Board_CH340 Improved Version MCU Microcontroller Development Module
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ATmega328P |
| USB Interface Chip | CH340 |
| Operating Voltage | 5V |
| Input Voltage (Recommended) | 7-12V |
| Digital I/O Pins | 14 |
| Analog Input Pins | 6 |
| Flash Memory | 32 KB |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
5 reviews
A
Anonymous
Mar 15, 2026
Rating: 5/5
Compatible with shields
Fits all my standard Arduino shields perfectly. Using it for a home automation project.
A
Anonymous
Mar 12, 2026
Rating: 5/5
Great value
Much cheaper than the official board but performs the same for my projects. Highly recommended.
A
Anonymous
Feb 20, 2026
Rating: 4/5
Good board, minor issue
Functionality is great. One of the header pins was slightly bent upon arrival but I straightened it easily.
A
Anonymous
Feb 07, 2026
Rating: 5/5
Perfect for learning
This board works flawlessly with the Arduino IDE. The CH340 driver was easy to install on Windows 10.
5 FAQ
Q: Where can I find the CH340 drivers?
A: You can download them from the manufacturer's website or search for CH340 drivers online.
Q: Is this compatible with Mac OS?
A: Yes, it is compatible. You will need to install the CH340 USB driver for macOS.
Q: Does it work with official Arduino shields?
A: Yes, the form factor is standard UNO R3, so it is compatible with most shields.
Q: Can I power this board via the USB port?
A: Yes, the board can be powered via the USB connection which provides 5V.
Q: What is the maximum current per I/O pin?
A: The maximum current per I/O pin is 40mA. Do not exceed this to avoid damage.
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