How to communicate with external devices? video example inside

I looking for the ways to control mechanical parts, something like this for the car:

My idea is to create simple driving simulator and be able to control car’s suspension up-down on each wheel, how is it possible withing Unreal Engine? What is the usual ways to do it?!

It may not look like it in the first post, but there was just a new release for 4.16.1:

Depending on how the suspension is controlled, you will also need suitable extra electronics and software for the Arduino, but there is no shortage of examples on the Internet.