Arduino Mega 2560 Rev3
The Arduino Mega 2560 Rev3 is a microcontroller board based on the ATmega2560, designed for projects that need more I/O than standard Arduino boards. With 54 digital I/O pins, 16 analog inputs, and 4 hardware serial ports, it's the recommended board for 3D printers, robotics, and other complex builds.
The Rev3 features the ATmega16U2 USB-to-serial converter, the 1.0 pinout with dedicated SDA/SCL and IOREF pins, and a stronger reset circuit. Compatible with most shields designed for the Arduino Uno, Duemilanove, and Diecimila.
Key Features
- 54 Digital I/O Pins – 15 usable as PWM outputs
- 16 Analog Inputs – 10-bit resolution for extensive sensor arrays
- 4 Hardware UARTs – Multiple serial connections for GPS, Bluetooth, and other modules
- 256KB Flash Memory – Room for large, complex sketches (8KB used by bootloader)
- USB Overcurrent Protection – Resettable polyfuse protects your computer's USB ports
- Open-Source Hardware – Schematics and Eagle files freely available
Specifications
- Microcontroller – ATmega2560
- Operating Voltage – 5V
- Input Voltage – 7–12V recommended (6–20V limits)
- Digital I/O Pins – 54 (15 PWM)
- Analog Input Pins – 16
- Hardware Serial Ports – 4 UARTs
- DC Current per I/O Pin – 20mA (40mA absolute max)
- DC Current for 3.3V Pin – 50mA
- Flash Memory – 256KB (8KB used by bootloader)
- SRAM – 8KB
- EEPROM – 4KB
- Clock Speed – 16MHz
- Board Dimensions – 101.52 × 53.3 mm
- Weight – 37g
Ideal For
- 3D printer controller boards
- Robotics with multiple motors and sensors
- LED arrays and multi-sensor setups
- Data logging with multiple serial devices
Package Contents
- 1× Arduino Mega 2560 Rev3
Resources
The Arduino Mega 2560 Rev3 appears in the following collections:
SKU PI-A000067
by Little Bird
