Logitech racing pedals as rudder

[maverick555 2]

Hi

 

I have been using my old logitech racing pedals as rudder and because the have DB9 plug I had to remove the PCB board from steering to be able to use it with out having the wheel out, but today I found adaptor 

http://www.leobodnar.com/shop/index.php?main_page=product_info&products_id=187

 

Now I know I can achieve the same thing using Arduino Leonardo board and DB9 female plug, question is would I be able to also have additional buttons/ switches running of the same board? If I'm not mistaken I should be able

 

Link to board in UK

https://www.ebay.co.uk/itm/Leonardo-R3-Pro-Micro-ATmega32U4-Board-Arduino-Compatible-IDE-USB-cable-TE169/153018580277?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

 

Thanks in advance