View Arduino Mega 2560 Board Schematic Pics. It has 54 digital input/output pins (of which 14 can be used as schematic: Arduino disclaims all other warranties, express or implied, regarding products, including but not limited to, any implied warranties of merchantability or fitness for a particular purpose arduino.

Arduino Mega 2560 Pinout
Arduino Mega 2560 Pinout from www.electroschematics.com
Reference designs are provided as is and with all faults. Arduinotm mega 2560 reference design. Contains many components like microcontroller, and etc.

It has 54 digital input/output pins (of which 14 can be used as schematic:

There are 54 digital i/o pins and 16 analog pins incorporated on the board that make this device unique and stand out from others. Microcontroller operating voltage input voltage (recommended) input voltage (limits). With 54 digital i/o pins, 16 analog inputs and a larger space for your sketch it is the recommended board for 3d printers and robotics projects.. env:megaatmega2560 platform = atmelavr board = megaatmega2560 ;