How to program PIC16F877A stepper motor revolution [Full circuit & 3/4 Code]

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  1. - 6th November 2008, 11:27 #12
    aratti's Avatar
    aratti
    aratti is offline Senior Member
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    Good to know.

    Did you try to pull your blind up with the stepper and with 500 mA max current you can supply to your stepper ?
    (I suggest you to replace the ULN2003a with ULN2803a. This has 8 transitors, you can parallel them obtaining 4 couples and doubling the output current in this way)

    Is it working ?

    Does the stepper run smoothly ?

    Can you install the two limit switches?

    Al.
    Last edited by aratti; - 6th November 2008 at 11:34.
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