The products available today in the market allow you to both plug-in-play and to build your own cockpit of any aircraft or design.
Many online advices are given to build your own cockpit which can be taken into consideration.
If you need to build your own flight sim cockpit then initially you should go for a blue print or best is if you can place your hand on some manuals to refer.
These are available online but you are at liberty to choose.
You can find readymade panels for the cockpit which are controlled by the standard drivers.
The display system which is a vital area in flying with the flight sim cockpits are designed to give you a outside view of flying by displaying virtual graphics in your screen.
The other important factor the flight sim cockpit requires is the sound and speech system.
The sound system has to be multiple for ATC and ambient sounds.
Headsets can be used to avoid disturbing people nearby.
The speech system is vital as it adds more excitement to the flight simulator experience.
A checklist of speech can always reduce the overload in the cockpit when you fly a complex flight simulator.
Another natural aspect can be added to the flight sim cockpit is the vibrations and the sense of movement.
By that you will come to know when the plane is starting up, the vibrations you get in the cockpit will give you a sense to convince you of reality.
The tactile transducers and vibrators can generate vibrations in the cockpit but it difficult to generate a sophisticated vibration experience in a flight simulator cockpit.
There are very few people who take up the challenge build their own flight sim cockpit and enjoy their custom made gadgets.