Subject:
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Re: High current motors
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 4 Apr 1996 03:56:09 GMT
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Original-From:
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MAR ERICSON <mar@cooper+AvoidSpam+.edu>
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Viewed:
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1800 times
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Do you have to choose a transistor that will switch somewhere near and below 9 volts? Cause Fred mentioned that the handyboard is rated for 9V motors. But, does this mean that the pulse generator make 9V square waves?
>
>
> Yep, I've done just that, and also for relays to drive AC motors. it's a
> kludge, but it can work.
>
> Cheers,
> - Mike
>
> ----------
> From: MAR ERICSON
> To: handyboard
> Date: Wednesday, April 03, 1996 2:27PM
>
> Does anyone know if you can do this to the L293D chip to increase the
> current?
>
>
>
>
> _____- motor +________
> / |
> L293D |/ |
> motor output__________| +
> |\
> \->- baterry
> |
> | -
> | |
> | |
> --------------------
>
> The transistor in the center would be a high current one.
>
> Would this work?
>
>
>
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