Subject:
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Re: multiplexed touch sensors [was: Re ideas for a RIS 2.0]
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 25 Aug 1999 22:14:03 GMT
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Viewed:
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937 times
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In lugnet.robotics, Kekoa Proudfoot writes:
> [...] Getting back to multiplexed touch sensors, I bet it's possible
> to get the Lego touch sensors to work fine with custom firmware and
> some sensible and reasonably simple debouncing logic to throw away
> readings during transitions. [...]
It sounds like you're saying that the intermediate resistance values happen
only for some period of time (short by human standards) while the touch sensor
"switches" from "on" to "off" or vice versa.
Other people writing in this thread have been saying that the intermediate
resistance values result from intermediate amounts of pressure being applied to
the touch sensor's moving element, which would imply that the intermediate
resistance values could persist for quite a long period of time if the touch
sensor were being affected by a mechanism that could sustain such intermediate
pressure for a long time.
Am I missing something? (I haven't been able to get to my LEGO and try it out
since this discussion started, or else I'd just find out for myself)
- Robert Munafo http://www.mrob.com/
LEGO: TC+++(8480) SW++ #+ S-- LS++ Hsp M+ A@ LM++ YB64m IC13
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