controlling a stepper motor?

[Impmon]

I've blown up several printers for scrap metal and parts and I do have
a pile of assorted motors. Nearly all of them has 4 wires but I'm not
quite sure how to drive it. How is a stepper motor controlled with 4
wires?

TIA

 

[Hal Murray]

I've blown up several printers for scrap metal and parts and I do have
a pile of assorted motors. Nearly all of them has 4 wires but I'm not
quite sure how to drive it. How is a stepper motor controlled with 4
wires?

Try google. The Wikipedia description looks pretty good to me.

 

[Dave Platt]

I've blown up several printers for scrap metal and parts and I do have

Try google. The Wikipedia description looks pretty good to me.

Specifically, Google for "bipolar stepper motor".

http://www.ams2000.com/stepping101.html looks like a good reference.