Subject:
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Re: Og Needs More Inputs (fwd)
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 29 Apr 1999 20:12:11 GMT
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Original-From:
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Chris Tarnas <CFT@RICOCHET.stopspamNET>
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Reply-To:
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Chris Tarnas <tarnas@bigfootANTISPAM.com>
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Viewed:
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1023 times
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It works if you use the raw values. Then the brightest light is about 400
(these are off the top of my head, the exact numbers are different) and
pushed touch sensor is about 50.
-chris
-----Original Message-----
From: Michael Gasperi <gasperi@alynk.com>
To: lego-robotics@crynwr.com <lego-robotics@crynwr.com>
Date: Thursday, April 29, 1999 11:49 AM
Subject: Re: Og Needs More Inputs (fwd)
> In lugnet.robotics, lego-robotics@crynwr.com (Jim Choate) writes:
>
> > I didn't say anything about adding components, I said "bias the detector • so
> > it never goes to ground due to lack of light".
>
> > The easiest way would be to take one of the light bricks and put it next • to
> > the photodector with a piece of dark plastic over it.
>
> The LEGO light sensor does not work this way. The voltage output of the • sensor
> goes down with brighter light. A touch sensor in parallel with a light • sensor
> when touched will cause a light reading of 100. You cant tell that from a
> bright light. Your method of biasing with extra light will only make • things
> worse. The light and touch sensor double-up method depends on not • confusing
> bright light with a touch.
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: Og Needs More Inputs (fwd)
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| (...) Good point. The best way is to use the RAW mode. Then you can tell the difference between a touch and a bright light. That is what Keoka was talking about a few messages ago in this thread. (26 years ago, 29-Apr-99, to lugnet.robotics)
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