The original Steering Input Display app is here:
Demo video of the Esotic Mod V1.0:
I found this great app after having a humorously bad start to a race where my wheel was not properly centered. I added an icon, max degrees of rotation, and a warning to let you know if you are sitting still and your wheel is not centered.
Steering Input Display (Esotic Mod) V1.2
steering input display app from dJomp with a few modifications