[Discontinued] Mega 2560 R3, Arduino Compatible

This is the new Arduino compatible Mega 2560 R3 with real time clock module. The new ATMega16U2 chip allows for faster transfer rates and more memory. No drivers needed for Linux or Mac

• Adds SDA and SCL pins next to the AREF.
• Two new pins are placed near the RESET pin. One is the IOREF that allow the shields to adapt to the voltage provided from the board. The other is a not connected and is reserved for future purposes
• Works with all existing shields but also compatible with new shields that require the additional pins.