Version 1.1.0 of the library has been released. We add support for the ATmega2561 and 1281 chips, with pinouts defined from the MCUdude/MegaCore project. Code donations by Kizmit99. Plus, a ...

Starting with hardware, the Arduino Mega is based on the Atmega2560 microcontroller. In the iteration that is found on the Mega board, the microcontroller comes in a standard TQFP 100-pin package.