34+ Arduino Mega Pro Pinout Gallery. The main reason behind this is the additional features that are inbuilt with this board. Each pin comes with a specific function.

Arduino Mega Tutorial Pinout And Schematics Mega 2560 Specifications
Arduino Mega Tutorial Pinout And Schematics Mega 2560 Specifications from www.circuitstoday.com
When cheaper boards are available, why go with arduino mega? As pointed earlier that the arduino pro mini is. Arduino mega 2560 pin diagram.

First feature is the large i/o system design with inbuilt 16.

As pointed earlier that the arduino pro mini is. Arduino mega 2560 pin diagram. The main reason behind this is the additional features that are inbuilt with this board. Home » arduino » arduino mega 2560 pinout.