The Uno also has a limited number of pins, making it difficult to work with when the project requires plenty of input and output components. However, these two areas are where the Arduino Mega shines.

All these require extra components, though. Enter the ExtraCore library for Arduino, a software library ... allows anyone to control the input and output pins of two Arduinos with the same ease ...

Read more: Major PC Monitor Brands Ranked Worst To Best The Raspberry Pi comes with its own set of input and output pins for ...