Hiya!
I’m still getting lots of questions about Thrustmaster T300RS stock steering wheel (aka “PS wheel”) emulation – Arduino project I’ve made long time ago, that was tested by several T300 owners, but was never published on my blog. Mainly because 458 Italia arduino emulator from Part2 and Part3 works perfectly fine with both TXRW and T300RS bases (but has Xbox button names).
But as far as there are emails and requests - here you are exact Arduino emulator for T300RS PS wheel.