Stepper Motors & Servos
https://www.youtube.com/watch?v=eM8zSG8fEkk
Nema 24
Smoothie Controller
Closed loop stepper motor
Hybrid servo driver
HBS86H
https://amzn.to/3jkekzX Vector Control CNC VFD Variable Frequency Drive Controller Inverter Converter 220V 5.5KW 7.5HP For Spindle Motor Speed Control HUANYANG GT-Series (220V, 5.5KW) AlieExpress

Overview Video
Links

OMC Steppers Online
TEKNIC		 Centroid
Ebay Link