Showroom Budget Compact 6DOF Universal VR Flight / Racing rig - MSFS, SMC3, FlyPT, Transducers, Controls

Thanks. I don't notice any significant backlash. There is a bit of cogging but in MSFS2024 it's completely masked by the turbulence and constant movement, I can't feel the cogging at all during flight, though I can in pure testing without a game.

I was advised not to use the 3rd motor functionality of SMC3 firmware by the gurus here. It has a lower resolution, I think, because it was pushing the Arduino limits. Arduinos are cheap, so 3 boards is fine.

As for the "NC" you are correct about the datasheet, to my surprise. I'm using the wiring that was working with SMC3 in another build and copied what works. Looks like it's not needed, if we believe the datasheet, but it doesn't hurt as well.

RE Arduinos: Perfect, I knew there would be a good reason and that’s good enough for me!

For the drivers, and the ECB in general, I just want minimal wires and for it to be very neat, so I’ve removed the original connectors in favour of a 3 pin JST and will make my own cables so they can be routed as required.