Arduino Mega 2560 R3 Development Board
Arduino Mega 2560 R3 Development Board has a 5-10 day lead time before dispatch. Order will only be sent once all items are available for delivery.
Arduino Mega 2560 R3 Development Board
The Mega 2560 R3 Development Board is a fully compatible alternative to the official Arduino Mega 2560, designed for projects that require more I/O pins, memory, and communication interfaces than an Arduino Uno. Built around a genuine ATmega2560 microcontroller, it is ideal for robotics, 3D printers, CNC machines, home automation, data logging, and other advanced embedded applications. The Mega 2560 provides the flexibility and performance needed for larger projects while remaining fully compatible with the Arduino IDE and most Arduino shields.
New to Arduino? Learn the basics with our What is Arduino? guide, follow our Arduino IDE Setup Guide, or browse our complete collection of Arduino Tutorials and Guides.
Key Features
- Fully compatible alternative to the official Arduino Mega 2560 R3
- Genuine ATmega2560 8-bit microcontroller running at 16MHz
- CH340 USB-to-Serial converter for reliable programming and communication
- 54 digital I/O pins, including 15 PWM outputs
- 16 analog input pins
- 4 hardware UART serial ports
- Supports I2C and SPI communication
- 256KB Flash memory (8KB used by bootloader)
- 8KB SRAM and 4KB EEPROM
- Fully compatible with the Arduino IDE and most Arduino Mega shields
- ICSP header for in-circuit programming
Power
- Operating Voltage: 5V
- Recommended Input Voltage: 7-12V
- Input Voltage Limits: 6-20V
- Powered via USB or DC barrel jack
- Approximately 800mA available on the 5V rail
- Approximately 180mA available on the 3.3V rail
- Maximum DC Current per I/O Pin: 40mA
Memory
- Flash Memory: 256KB (8KB used by bootloader)
- SRAM: 8KB
- EEPROM: 4KB
Communication Interfaces
- 4 × UART (Hardware Serial)
- I2C
- SPI
- USB Serial via CH340
Revision 3 Improvements
- Dedicated SDA and SCL pins beside AREF for easier I2C connections
- IOREF pin allowing compatible shields to detect operating voltage
- Improved RESET circuit reliability
- Additional reserved pin for future compatibility
Applications
- Robotics and autonomous vehicles
- 3D printers and CNC controllers
- Home automation systems
- Industrial monitoring and control
- Environmental monitoring and data logging
- Multi-sensor projects
- Educational STEM projects
- Large Arduino projects requiring many inputs and outputs
Specifications
- Microcontroller: ATmega2560
- Clock Speed: 16MHz
- Operating Voltage: 5V
- Digital I/O Pins: 54
- PWM Outputs: 15
- Analog Inputs: 16
- Hardware UARTs: 4
- Flash Memory: 256KB
- SRAM: 8KB
- EEPROM: 4KB
- Length: 101.5mm
- Width: 53.3mm
- Weight: 37g
What's Included
- 1 × Mega 2560 R3 Development Board (Compatible)
- 1 × USB Cable
Resources
Looking for the genuine Arduino board? View our Official Arduino Mega 2560 R3 Development Board.
Note: This product is a compatible development board manufactured using the open-source Arduino® Mega 2560 hardware design. It is not manufactured by or affiliated with Arduino AG. Arduino® is a registered trademark of Arduino AG.
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