RC Car with sim steering wheel

@ignasg What EXACTLY do you need help with? If you are at the point of picking hardware, you must have a design. 

I looked at each of your links above and some I have no idea why you would need, some are not likely what you need.

You have not said how many years experience you have with building complex electro/mechanical projects and coding. 

One of your links is what we buy for 10 year old kids, but your project is for a 2,000 hour experienced builder.

Maybe start with a smaller less complex kit. Your job will be to assemble it, but anyone can do that, so then you need to try adding something both hardware and software to see if you can develop the skills required for a full blown flight sim.

@ron , thank You for reply. Please see this link what im trying to make https://github.com/lexfp/G25toPPM/blob/master/README.md

I mostly understand everything, but the problem for me is the radio stuff, i dont understand, how these are working, and which one is the sender or receiver, or do they work with each other. 

The question is also, https://www.duino.lt/usb-host/13728-arduino-uno-ispletimo-shield-as-usb-host.html?search_query=usb&results=244 < does this is okay, and will work? Since i understand this is not original.. 

@ignasg BTW, my handle is zander. Ok, now I get it. The first link gives you everything you need to build the sim. The second link refers to a part I know nothing about but it sounds like it allows multiple USB 2 connections. It sounds like some of them need some jumpers added to make them work but the author documents that very well. See pic and the link there gives you instructions for 'fixing' those boards.

From what I can see, you have all the information you need.

Good luck.

@zander oh, now i understnd about the nick. sorry. 

so the last thing would be about radio control. Is this a sender https://www.banggood.com/2_4G-CC2500-NRF24L01-A7105-CTRF6936-4-IN-1-Multi-protocol-ARM-TX-Module-with-Antenna-p-1153902.html?imageAb=1&p=Y506095296511201607R&custlixnkid=1443521&akmClientCountry=LT&cur_warehouse=CN  

and this is a receiver ? 

https://www.banggood.com/IRangeX-IRX4-Plus-2_4G-CC2500-NRF24L01-A7105-CYRF6936-4-IN-1-Multiprotocol-ARM-TX-Module-With-Case-p-1225080.html?imageAb=1&p=Y506095296511201607R&custlixnkid=1443522&akmClientCountry=LT&cur_warehouse=CN  

so that i bind them, and they work together? 

@ignasg Those are both TX modules, you need one that is labelled RX for receive.