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Home / Development Boards & Control Boards / Compatible with New Version UNO Improved Version R3 (CH340) Development Board 30cm Data Cable Includes Pin Headers

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ATmega328P
USB Interface Chip CH340
Operating Voltage 5V DC
Recommended Input Voltage 7-12V DC
Digital I/O Pins 14 (6 PWM outputs)
Analog Input Pins 6
Flash Memory 32 KB (0.5 KB used by bootloader)
SRAM 2 KB (ATmega328P)
EEPROM 1 KB (ATmega328P)
Clock Speed 16 MHz

5 reviews

A

Anonymous

Apr 17, 2026

Rating: 4/5

Good value

The board itself is excellent for the price. The included USB cable is a bit short, but functional for most setups.

A

Anonymous

Apr 12, 2026

Rating: 5/5

Fast delivery

Arrived well protected in anti-static packaging. Board looks genuine and functions as expected.

A

Anonymous

Apr 09, 2026

Rating: 5/5

Excellent compatibility

Runs all my existing Arduino sketches without modification. The header pins were easy to solder on.

A

Anonymous

Mar 29, 2026

Rating: 5/5

Works flawlessly

Installed drivers easily on Windows 10. Uploaded my first sketch without any issues. Good build quality.

A

Anonymous

Feb 28, 2026

Rating: 5/5

Perfect for learning

Great board for students and beginners. The CH340 chip works well once drivers are installed. All pins respond correctly.

5 FAQ

Q: What is the maximum current per I/O pin?

A: The recommended maximum current per I/O pin is 20mA to ensure safe operation.

Q: Does it have a 3.3V output pin?

A: Yes, there is a 3.3V output available on the power header pins.

Q: Is this board compatible with the Arduino IDE?

A: Yes, this board is fully compatible with the Arduino IDE. You may need to select the appropriate board type in the menu.

Q: Are the header pins pre-soldered?

A: No, the header pins are included separately in the package for you to solder yourself.

Q: Do I need to install specific drivers?

A: Yes, since this board uses the CH340 chip, you will need to install the CH340 USB-to-Serial driver.

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