Subject:
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Re: Control lego motors and rotation sensors
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 26 Apr 2002 02:34:13 GMT
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Original-From:
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Steve Baker <[sjbaker1@airmail.net]NoSpam[]>
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Reply-To:
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[sjbaker1@airmail.net]NoSpam[]
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Viewed:
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729 times
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Logie Urquhart wrote:
>
> It is possible to create a new rotation sensor using a light sensor.
>
> You still only need one input, but you get complete control over the number
> of pulses per rotation from your painted disk/code implementation
It's possible - but if you crank up the resolution you soon run into the
problem that your software cannot run fast enough to keep count of the
pulses.
Also, it's hard to distinguish clockwise from anticlockwise rotation with
a light-sensor-based solution. (It's not impossible - but it's *hard*)
----------------------------- Steve Baker -------------------------------
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