Subject:
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Re: Multiplexing Input Circuit
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 12 Nov 1998 15:22:31 GMT
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Original-From:
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Ben Laurie <BEN@ALGROUPspamless.CO.UK>
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Viewed:
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2417 times
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Michael Gasperi wrote:
>
> I think Sven thought of this first. Anyway I threw a circuit together
> last night that uses the SetSensorType to switch between 4 inputs. I put
> it on a page at:
> http://ourworld.compuserve.com/homepages/Michael_Gasperi/mux.htm
> It seems to work well, but startup is a problem. It starts out on input
> 1 but if you stop the program it can get lost. I need to add a reset
> circuit. Any suggestions?
Require it to be clocked every so often, reset if it is held high for a
certain length of time.
Alternatively, it may be possible to drop the voltage to zero - but that
would require a firware change... anyway, I'll look into it out of
interest.
Cheers,
Ben.
--
Ben Laurie |Phone: +44 (181) 735 0686| Apache Group member
Freelance Consultant |Fax: +44 (181) 735 0689|http://www.apache.org/
and Technical Director|Email: ben@algroup.co.uk |
A.L. Digital Ltd, |Apache-SSL author http://www.apache-ssl.org/
London, England. |"Apache: TDG" http://www.ora.com/catalog/apache/
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Message is in Reply To:
 | | Multiplexing Input Circuit
|
| I think Sven thought of this first. Anyway I threw a circuit together last night that uses the SetSensorType to switch between 4 inputs. I put it on a page at: (URL) seems to work well, but startup is a problem. It starts out on input 1 but if you (...) (26 years ago, 12-Nov-98, to lugnet.robotics)
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