Skip to main content
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.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Thickened Aluminum Alloy Stainless Steel Floor Wire Raceway - Surface-Mounted Cable Cover Protector, Anti-Crush, Self-Adhesive Invisible Design

Thickened Aluminum Alloy Stainless Steel Floor Wire Raceway - Surface-Mounted Cable Cover Protector, Anti-Crush, Self-Adhesive Invisible Design

$2.13

Kids Foam Stamp Brushes - Mushroom-Tipped Painting Set for Kindergarten Art and Graffiti Projects

Kids Foam Stamp Brushes - Mushroom-Tipped Painting Set for Kindergarten Art and Graffiti Projects

$2.38

Heisidike HZL-32 Portable Stone Removal Hook for Car Tire Tread Cleaning

Heisidike HZL-32 Portable Stone Removal Hook for Car Tire Tread Cleaning

$9.28

Bixilage Cheese Processing Equipment – Curd Fermentation Machine for Stretchy Hand-Pulled Cheese Production Line

Bixilage Cheese Processing Equipment – Curd Fermentation Machine for Stretchy Hand-Pulled Cheese Production Line

$67,900.00

Essential Oil Soap Stamping Machine DIY Stamp Maker Semi-Auto Pneumatic Stampler Small Handmade Soap Equipment

Essential Oil Soap Stamping Machine DIY Stamp Maker Semi-Auto Pneumatic Stampler Small Handmade Soap Equipment

$2,173.00

Inverted Barrel Water Stand - Simple U-Shaped Thickened Holder for Purified Water Buckets with Dispenser Outlet

Inverted Barrel Water Stand - Simple U-Shaped Thickened Holder for Purified Water Buckets with Dispenser Outlet

$21.00

Qingling Pickup 2.8T Diesel Isuzu 4JB1-T1 Engine Turbocharger Pump Assembly

Qingling Pickup 2.8T Diesel Isuzu 4JB1-T1 Engine Turbocharger Pump Assembly

$1,502.00

Juli JL-499 Heat Resistant up to 150°C Instant Adhesive High Performance Low Whitening Transparent High-Temperature Fast-Drying Glue

Juli JL-499 Heat Resistant up to 150°C Instant Adhesive High Performance Low Whitening Transparent High-Temperature Fast-Drying Glue

$90.30

Stainless Steel Buffet Warmer with Hydraulic Lift - Commercial Electric Heating Chafing Dish

Stainless Steel Buffet Warmer with Hydraulic Lift - Commercial Electric Heating Chafing Dish

$882.00

Zhaobei New Felt Calligraphy Mat Anti-Pilling Painting Felt Chinese Painting Cloth Brush Character Calligraphy Felt Pad

Zhaobei New Felt Calligraphy Mat Anti-Pilling Painting Felt Chinese Painting Cloth Brush Character Calligraphy Felt Pad

$29.70

Fruit Picking Bucket with Shoulder Strap, Manual Fertilizer Spreader, Durable Rubber Harvest Container for Seeds and Chemicals

Fruit Picking Bucket with Shoulder Strap, Manual Fertilizer Spreader, Durable Rubber Harvest Container for Seeds and Chemicals

$26.57

Baohong Artist Grade Watercolor Pad - 100% Cotton Pulp, 300gsm, Glued on Four Sides, Available in 16K, 8K, 4K with Cold Press or Hot Press Texture

Baohong Artist Grade Watercolor Pad - 100% Cotton Pulp, 300gsm, Glued on Four Sides, Available in 16K, 8K, 4K with Cold Press or Hot Press Texture

$42.00

Commercial Brush Peeling Machine for Sweet Potatoes, Ginger, Taro, Mustard Greens, and Kohlrabi

Commercial Brush Peeling Machine for Sweet Potatoes, Ginger, Taro, Mustard Greens, and Kohlrabi

$15.90

No-Drill Invisible Cable Organizer – Self-Adhesive Wire Fixer, Data Cable Clip, and Net Cable Management Solution

No-Drill Invisible Cable Organizer – Self-Adhesive Wire Fixer, Data Cable Clip, and Net Cable Management Solution

$6.90

Stone Landscape Sculpture Engraved Pebble Gate Stone Cornerstone Roadside Marker

Stone Landscape Sculpture Engraved Pebble Gate Stone Cornerstone Roadside Marker

$838.05

Kitchen Sink Organizer Rack, Dish Drying Rack, Multi-Function Countertop Storage Shelf for Washing and Placing Bowls

Kitchen Sink Organizer Rack, Dish Drying Rack, Multi-Function Countertop Storage Shelf for Washing and Placing Bowls

$55.70

New Hanging Kitchen Sink Strainer Basket, Multi-Function Colander for Washing Vegetables and Filtering Leftovers

New Hanging Kitchen Sink Strainer Basket, Multi-Function Colander for Washing Vegetables and Filtering Leftovers

$7.74

Sting Bite Relief Pen Electric Bug Bite Relief for Indoor

Sting Bite Relief Pen Electric Bug Bite Relief for Indoor

$60.14

Thickened 160g Gouache Paper 8K/4K for Beginners and Art Exam Students - Professional Art Painting Paper for Watercolor, Gouache, and Acrylic Creation and Practice

Thickened 160g Gouache Paper 8K/4K for Beginners and Art Exam Students - Professional Art Painting Paper for Watercolor, Gouache, and Acrylic Creation and Practice

$5.78

Pad Printing Ink Cup Sealing Ring Rubber Gasket Elastic Rubber Ink Cartridge O-Ring Silicone Ink Leak-Proof Eco-Friendly Ink Cup Seal

Pad Printing Ink Cup Sealing Ring Rubber Gasket Elastic Rubber Ink Cartridge O-Ring Silicone Ink Leak-Proof Eco-Friendly Ink Cup Seal

$9.70

Stainless Steel Walnut Kernel Peeling Machine - Pecan Physical Peeling Equipment, DDA Washing Unit, Nut Kernel Peeler

Stainless Steel Walnut Kernel Peeling Machine - Pecan Physical Peeling Equipment, DDA Washing Unit, Nut Kernel Peeler

$36,315.00

Daxiang Machinery Top-Flow Pillow Packaging Machine for Vegetables, Bread, Mooncakes, Cakes, Food, and Fruit Sealing

Daxiang Machinery Top-Flow Pillow Packaging Machine for Vegetables, Bread, Mooncakes, Cakes, Food, and Fruit Sealing

$35,475.00

50 Pcs Market Commodity Price Tag ers Advertising Tags Paper

50 Pcs Market Commodity Price Tag ers Advertising Tags Paper

$45.37

Fountain in the Rain by Kaoru Sudo, Mr. Chui Saxophone, Three-Piece Precise Transcription Service

Fountain in the Rain by Kaoru Sudo, Mr. Chui Saxophone, Three-Piece Precise Transcription Service

$37.00

No-Clean Airbrush Set Electric Spray Gun Mini Bottom-Feed Airbrush for Furniture Leather Repair Paint and Art

No-Clean Airbrush Set Electric Spray Gun Mini Bottom-Feed Airbrush for Furniture Leather Repair Paint and Art

$225.00

Rubber Cable Raceway Speed Bump for Ground Crossing

Rubber Cable Raceway Speed Bump for Ground Crossing

$15.05

Replacement Blade Holder and Rotating Wheel for Butter Tea Maker - Includes Waterproof Gasket; Compatible with Milk Separators and Switch Assemblies

Replacement Blade Holder and Rotating Wheel for Butter Tea Maker - Includes Waterproof Gasket; Compatible with Milk Separators and Switch Assemblies

$56.50

Commercial Hanging Roast Duck Warmer Crispy Pork Belly Insulation Box Stainless Steel Countertop Roasted Meat Heater Cooked Food Display Cabinet

Commercial Hanging Roast Duck Warmer Crispy Pork Belly Insulation Box Stainless Steel Countertop Roasted Meat Heater Cooked Food Display Cabinet

$317.00

2MM 3MM 4MM Natural Color-Gradient Amethyst Soccer-Cut Faceted Loose Beads - Semi-Finished Amethyst Cuts

2MM 3MM 4MM Natural Color-Gradient Amethyst Soccer-Cut Faceted Loose Beads - Semi-Finished Amethyst Cuts

$17.00

Educational Toys for Babies 0-3 Years - Newborn Rattle and Musical Stick for Boys and Girls (0-12 Months)

Educational Toys for Babies 0-3 Years - Newborn Rattle and Musical Stick for Boys and Girls (0-12 Months)

$12.80