I have a 6 wire unipolar stepper motor that I wanted to use in a 4 wire setup, here is how you can see which wires not to use [center taps].

https://www.youtube.com/watch?v=QQC_KUMDunk&context=C4a5b378ADvjVQa1PpcFMMeViXaIlnToSheyNGfl1cVmSSuMzcBmM=

Quote from Jeff Nading on April 11th, 2012, 10:06 AM

I have a 6 wire unipolar stepper motor that I wanted to use in a 4 wire setup, here is how you can see which wires not to use [center taps].

https://www.youtube.com/watch?v=QQC_KUMDunk&context=C4a5b378ADvjVQa1PpcFMMeViXaIlnToSheyNGfl1cVmSSuMzcBmM=

yep! thanks jeff! :) ~Russ

Here is a very good read about stepper motors and servos.
http://homepage.cs.uiowa.edu/~jones/step/

Here's some more info I ran across:
http://www.probotix.com/stepper_motors/unipolar_bipolar/

And this was quite useful too.

Quote from Matt Watts on January 3rd, 2014, 08:11 PM

And this was quite useful too.

Cool find Matt.:cool::D:P