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Thread: Unipolar Stepper

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    Default Unipolar Stepper

    My Propscope works well with the Stamp applications but not for measuring a unipolar stepper motor (6V, 200mA) which is controlled by an unknown controller (no Stamp involved); see attachment.

    When I want to measure the voltage pattern of a stepper motor the Propscope shows some results but the motor stops turning or turns extremely slowly.·Therefore, I do not know whether the measured signals are right (I·connect the ground probe to the ground of the motor and positive probe to one of non-ground wires). When I disconnect the probes the motor start turning again.

    Any help for the right measurement set-up is welcome.
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    Last edited by ForumTools; 10-01-2010 at 05:22 PM. Reason: Forum Migration

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