EtherMega R3
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Freetronics EtherMega R3

Copyright 2011-2012 Freetronics Pty Ltd
Freetronics site:
Freetronics email:

The EtherMega R3 is a 100% Arduino-compatible board based on the existing Mega2560, but with improvements and updates for features and ease of use. It also includes on-board Ethernet with PoE (Power-over-Ethernet) support.


  • High-efficiency switchmode power supply (input voltage 7-28Vdc)
  • Micro-USB Connector
  • microSD card slot
  • 10/100 Ethernet using the Wiznet W5100 chip
  • Overlay guide where you need it (both top and bottom)
  • D13 pin works for everything

You can view more at our product page at:


The design is saved as an EAGLE project. EAGLE PCB design software is available from free for non-commercial use. To use this project download it and place the directory containing these files into the "eagle" directory on your computer. Then open EAGLE and navigate to Projects -> eagle -> EtherMegaR3.


The specific terms of distribution of this project are governed by the license referenced below.


This work is licensed under the Creative Commons Attribution-Share Alike License.
To view a copy of this license, visit

or send a letter to

Creative Commons
171 Second Street, Suite 300
San Francisco
California, 94105

The "license" folder within this repository also contains copies of the licences referenced above.


The EtherMega was designed by Marc Alexander ( and Jonathan Oxer ( based on previous work by the Arduino team ( which includes:

  • Massimo Banzi
  • David Cuartielles
  • Tom Igoe
  • Gianluca Martino
  • David A. Mellis