Subject:
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Re: Digital outputs.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 25 May 2000 16:51:09 GMT
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Reply-To:
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glivick@pacbellIHATESPAM.net
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Viewed:
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1112 times
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You can use solid state relays with 5 VDC inputs and DC outputs to control
large loads. The inputs require very little current. It is less expensive
to build transistor switches, which will do the same thing, but obviously
much simpler to use relays.
Good luck,
Gary Livick
Tiny HC11 products for your robot
http://www.teleport.com/~raybutts/
Todd Ahlstrom wrote:
> How would I go about making the digital outputs capable of controlling a
> higher current than the 5 ma that is standard? Can a switching
> transistor be controlled by them? Or do I need some sort of IC to do the
> job? Particularly I would like to be able to close a relay when the
> digital out is "on". I think the motor control outputs easily have
> enough current to close a relay, but I need more than 4.
>
> Thanks,
> Todd
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Message is in Reply To:
 | | Digital outputs.
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| How would I go about making the digital outputs capable of controlling a higher current than the 5 ma that is standard? Can a switching transistor be controlled by them? Or do I need some sort of IC to do the job? Particularly I would like to be (...) (25 years ago, 25-May-00, to lugnet.robotics.handyboard)
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