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Home / Development Boards & Control Boards / UNO R3 Improved Development Board CH340 Driver ATmega328P Microcontroller Module Compatible with Arduino

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller Unit ATmega328P
USB Interface Chip CH340
Operating Voltage 5V DC
Recommended Input Voltage 7-12V DC
Digital I/O Pins 14
PWM Output Pins 6
Analog Input Pins 6
Flash Memory 32 KB
SRAM 2 KB
Clock Speed 16 MHz

5 reviews

A

Anonymous

Feb 06, 2026

Rating: 4/5

Solid Clone

Not original Arduino but does the job perfectly for learning and prototyping without breaking the bank.

A

Anonymous

Feb 03, 2026

Rating: 5/5

Reliable Performance

Using this for a robotics project. No issues with connectivity or power stability during long runs.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Fast Shipping

Board arrived quickly and was well packaged. Tested all pins successfully and they respond as expected.

A

Anonymous

Jan 19, 2026

Rating: 4/5

Good Value Option

Functions well for the price. Had to download drivers separately but otherwise great for hobby projects.

A

Anonymous

Jan 18, 2026

Rating: 5/5

Excellent for Beginners

This board works perfectly with the Arduino IDE. The CH340 driver was easy to install and I was uploading sketches within minutes.

5 FAQ

Q: Can I power it via USB?

A: Yes, you can power it via the USB connection or the DC barrel jack.

Q: What is the max current per pin?

A: Each I/O pin can provide up to 40mA safely. Do not exceed this to avoid damage.

Q: Do I need to install drivers?

A: Yes, please install the CH340 USB driver for your operating system before connecting.

Q: Is this compatible with Arduino IDE?

A: Yes, fully compatible. Please select Arduino Uno board in the board manager menu.

Q: Does it work on Mac OS?

A: Yes, CH340 drivers are available for macOS and work seamlessly once installed.

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