As an example of a basic form you got a unipolar coil design with a permanent magnetic (PM) core, such as the very common 28BYJ-48. This stepper motor features 8 ‘teeth’ on the stator ...

There are a lot of fun projects you can do with stepper motors salvaged ... you’ll only have one wire left. Those motors can only be used in a unipolar configuration, but a 6 or 8 wire motor ...

EMMT-ST — features absolute encoders, IP65 protection, holding brakes and control via a single cable. OEMs have the ...