A 8330 have maybe a quadrature encoder?
I have made a code tested by @Peter_S , it’s for variable duty encoders.
For quadrature encoder I use a dedicated nano reading both chanels and emulating a signal for the remote pin.
I think in general olders like 30 serie have quadrature encoders and newer like M and R variable duty.
Here is the code for all AiO versions:
Autosteer_gps_teensy_v4_JD_freq3.zip (46,9 Ko)
You read it with the pressure pin.
On AiO v4.5 you probably have to remove a filtering capacitor to have a nice reading.
On older boards it probably work as is since the divider draw a little more (up to 1ma).