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Home / Development, Learning, Evaluation & Industrial Control Boards / MEGA2560 R3 Development Board Extended Version ATMEGA16U2 CH340G Compatible with Official Arduino

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin -
Microcontroller ATmega2560
Operating Voltage 5V
Digital I/O Pins 54 (15 PWM outputs)
Analog Input Pins 16
DC Current per I/O Pin 40 mA
Flash Memory 256 KB (8 KB used by bootloader)
SRAM 8 KB
EEPROM 4 KB
Clock Speed 16 MHz
USB Interface Chip CH340G / ATMEGA16U2 Compatible

6 reviews

A

Anonymous

Mar 25, 2026

Rating: 5/5

Bulk buy success

Purchased ten of these for our university lab. All units tested successfully. The pinout is standard, so all our existing shields fit perfectly. Very cost-effective solution.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Perfect for complex projects

I needed extra pins for a robotics project and this board delivered. The CH340G driver installed easily on Windows 10, and it works flawlessly with the Arduino IDE. Great value for the memory size.

A

Anonymous

Mar 19, 2026

Rating: 4/5

Great for learning

As a beginner, the extra space on the board helps me see where everything connects. The documentation online is vast since it mimics the official spec. Only wish it came with a USB cable.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Excellent compatibility

Runs all my standard Mega libraries without issue. The extended version layout makes wiring sensors much easier than the compact boards. Highly recommend for students and prototypers.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Good board, minor driver hiccup

The board itself is solid and has plenty of IO for my 3D printer controller. Had to manually download the CH340 driver initially, but once that was sorted, compilation and upload speeds were excellent.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Reliable workhorse

Been running this continuously for two weeks controlling a hydroponics system. No overheating, stable voltage, and the multiple serial ports are a lifesaver for debugging.

5 FAQ

Q: How many hardware serial ports does this have?

A: The ATmega2560 microcontroller on this board features 4 hardware UARTs (Serial, Serial1, Serial2, and Serial3), allowing for multiple simultaneous serial communications.

Q: Can I power this with a 9V battery?

A: Yes, you can power the board via the barrel jack connector with a 7-12V DC supply, which includes standard 9V batteries. Alternatively, you can use the Vin pin.

Q: Does this board come with a USB cable included?

A: No, the package typically includes only the development board. You will need a standard USB Type-B cable to connect it to your computer.

Q: Is this compatible with the Arduino IDE version 2.0?

A: Yes, this board is fully compatible with Arduino IDE 2.0 and later versions. You may need to select 'Arduino Mega or Mega 2560' as the board type in the menu.

Q: What driver do I need for Mac OS?

A: For this specific model featuring the CH340G chip, you usually need to install the CH340 serial driver. Most modern macOS versions may recognize it automatically, but if not, the driver is available on the manufacturer's site.

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