I have one stepper motor.
There are six wires coming out of that.
How can I find out weather I have a bipolar or a unipolar stepper motor?
Note: Related, but not a duplicate: Unipolar and Bipolar Stepper motors
Electronic – How to find out whether I have a unipolar or a bipolar stepper motor
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Best Answer
You have a third type of motor: A "Universal" motor.
This is a motor can can be configured as either a unipolar or a bipolar motor.
General rules:
A unipolar only motor has the center of both windings connected together internally. This precludes the use of the motor in a bipolar system.
With a motor with six leads, if you connect the leads from the center of each winding together, you get a unipolar motor. If you leave the center connections unconnected, and drive each winding using only the connections to the winding ends, you are using it in bipolar mode.