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Catalog : Arduino, Pi, Microcontrollers, 3D Printing and Kits : Arduino, Raspberry Pi and Microcontrollers : Arduino, Development Boards and Kits

OSEPP™ Mega 2560 R3 Plus


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Larger than the original UNO board, this microcontroller has more flash memory, SRAM, EEPROM and I/O pins. This board is perfect for projects that require a lot of inputs/outputs or that require more complex programs that cannot fit into the smaller memory of the ATmega328P. New in R3 is added SCL/SDA pins next to AREF header and also added IOREF pin to power header. Built on the 'open-source electronics prototyping platform', and compatible with existing Arduino software lilbraries.

• 8-bit AVR RISC-based microcontroller running at 16 MHz
• 8x more flash and 4x more SRAM and EEPROM than the Uno
• Connects to a computer via a standard USB cable
• Flexible power source (USB or DC power)
• ICSP header for programming microcontroller
• Compatible with existing Arduino software libraries
• Compatible with the Ethernet and Motor Controller Shields

This board is based on the Arduino Mega 2560 designed by Arduino, and is released under the Creative Commons Attribution Share-Alike License.

The original design can be found at:


  • Microcontroller: ATmega2560
  • Clock: 16MHz
  • Flash: 256KB
  • SRAM: 8KB
  • Operating voltage: 5VDC
  • Input voltage: 6-12VDC
  • Digital I/O pins: 54, including 14 for PWM
  • Analog I/O pins: 16
  • Other connections: Mini-USB, ICSP for ATmega2560
  • Dimensions: 107.5 x 54 x 15.5mm
  • Power source: USB or external DC supply

US$ 42.65 price
US$ 40.52 3 - 7 (5% Off)
US$ 38.38 8 + (10% Off)