... there are servo-drivers, controlled with STEP+DIR similar to steppers (they handle the encoder internally) - so for the controller board no difference to steppers.
I've built a 3-axis CNC with an common stepper-controller and 3 UHU servo-drivers with this "STEP+DIR" behaviour
Viktor
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Aufruf zum Projekt "Müll-freie Meere" - [
reprap.org] -- Deutsche Facebook-Gruppe - [
www.facebook.com]
Call for the project "garbage-free seas" - [
reprap.org]