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 04:40:08 GMT
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Original-From:
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Charles Hacker <C.Hacker@mailbox.^antispam^gu.edu.au>
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Viewed:
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910 times
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Todd,
The outputs can control a transistor, that is powered by a separate
higher current o/p.
(Poor text diagram following)
Vsupply
_
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/
Dig Out -----------------| <- Tansistor
\
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|__ Vout
> 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
Charles Hacker
Lecturer in Electronics, Computing and Physics
School of Engineering
Griffith University - Gold Coast
PMB 50 Gold Coast Mail Centre
Southport Queensland 9726
Australia.
Email - C.Hacker@mailbox.gu.edu.au
Ph. (07) 5594 8670
Fax.(07) 5594 8065
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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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