I am working on the design of a PCB that is being used to allow for quick/modular swapping of sensors with specific types of connectors to various pins on an Arduino Due board. I have looked but I am having trouble finding a schematic symbol with all of the connections that I can use to create the schematic for the PCB. I would also need a footprint for the Arduino for the layout after. I have tried looking for info about this straight from the Altium website but it is horrible from what I can tell.
I have designed some PCBs in the past but never one that incorporates a microcontroller like this. Because of this, I am also wondering what is the best/recommended way to fully connect the Arduino to the PCB itself?
Thanks in advance!