I'm aware of the schematic https://github.com/Xinyuan-LilyGO/TTGO_ ... TCH_S3.pdf but I can't find the knob in that schematic.
I have also looked through the pin definitions in C code https://github.com/Xinyuan-LilyGO/TTGO_ ... #L116-L163 but I see no mention of the physical knob.
The knob I'm referring to is this one:
