Ultimate Arduino Mega 2560 Hardware Manual E BookA Reference and User Guide for the Arduino Mega 2560 Hardware and Firmware A manual providing up to date hardware information for the Arduino Mega 2560. The Arduino Mega 2560 is an upgrade to the popular Arduino Uno board, providing more pins, serial ports and memory. Arduino is the easy to use open source electronics platform used by hobbyists, makers, hackers, experimenters, educators and professionals. Get all the information that you need on the