LV8729 in Vertex K8400

Vertex 3D Printer Vertex - Your printer, creations, and ideas for im
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I changed stepsticks on Extruders, X Y for LV8729. So far I’m pretty happy with that. Printer is significantly quieter, walls are smooth even in very low speed.

Vref is 0.65V
on extruders they work as 128 microsteps
on X and Y I removed M1 pin, so they work as 64 microsteps

this is line from configuration.h
#define DEFAULT_AXIS_STEPS_PER_UNIT { 134.742, 134.742, 4266.66, 150.01*4 }