When using a manual machine tool such as a lathe or milling machine, there can be a lot of pressure to read the position and feed the axes at the correct rate. That’s why modern machines typically ...

Stepper motor drive When a two-pole permanent magnet is used in the motor rotor, one full-step corresponds to a mechanical angle of 90 0. Each full step can be further divided into a number of ...

[TBJ] is building what he calls a junkbox 3D printer. You can probably guess that he’s trying to salvage most of the parts for the device, and after pulling a stepper motor from an old printer he was ...