Checking the operation of the stepper motor of a 3d printer, speed controller, close-up.

Frame Rate: 25, Resolution: 3840x2160, Video Encoding: H.264, File Size: 283.27MB, Number of Clips: 1, Total Clip(s) Length: 00:23

Checking the operation of the stepper motor of a 3d printer, speed controller, close-up.

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