This is the latest and greatest Arduino ever ! The new Arduino MEGA has some amazing specs ...

And, most Arduino shields will still be compatible because the basic pin placement has not changed.

Can you imagine the amazing projects that are going to be possible with this MEGA Arduino !

Since the Arduino MEGA is so different from older versions and has many more IO pins, to use it you will require the new Arduino 015 software, get it at the Arduino.cc.

An example circuit, showing how to breakout the large header on the right side of the MEGA.

Two 16 wire ribbon cables are being used to break-out 32 pin double row connector on the right side of the Arduino MEGA. This is a 32 position IDC connector with extra long male-male pins going down into the Arduino, on the other side I used two 16 pin DIP style connectors.

Update ! 

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Even newer Arduino MEGA the Arduino MEGA 2560 R3

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Since first writing the page Arduino has come out with a an even new MEGA with better specs.