Subject:
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Re: steppers - HB
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 18 Dec 1996 04:49:40 GMT
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Original-From:
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Patrick Cutts <patrick@SPAMCAKEsurfari.net>
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Viewed:
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1533 times
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I haven't tried this on a handy board, I am using a miniboard, but I think
the process is similar:
not having a lot of time to figure out how to use dc motors with my
miniboard (my project deadline was coming up fast) I decided to use step
motors instead, they are pretty simple to use. The miniboard interfaces
with two motor drivers through port B, 4 lines to each motor driver, each
can control two dc motors. I just soldered a ribbin cable to the bottom of
my miniboard to the traces between the controller and one of the the motor
drivers (i just left the motor driver alone, that way I could still use the
led's to show me which motor was on and what direction it was going). Then
I built a small circuit board with a couple of motorola MC3479 step motor
drivers on it, and connected the step motors to it. Controlling the motors
was even easier. No special routines needed to be written, I just sent the
motor commands as if nothing had changed. Only four forward and four
backward speeds are available, but I believe that with slight modifications
to the header file this could be fixed.
-patrick :)
At 12:20 PM 12/16/96 EST, you wrote:
> Wondering if anyone knows of a good way to interface a couple of steppers • to the
> HB AND if there are any ic routines written to control steppers.
>
> Ideas, comments, suggestions, questions welcome.
>
> Bruce
>
>
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