Subject:
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Re: homebrew Temp sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 4 Jan 1999 02:17:28 GMT
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Original-From:
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Peter Hesketh <PBH@PHESK.DEMON.CO.stopspamUK>
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Viewed:
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1388 times
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In article <36901A0A.6B212D89@gte.net>, Kevin A. Saddi <ksaddi@gte.net>
writes
> Sorry if this is old news guys, but I finally got my temp sensor
> working! But I was wondering how I can keep the value from jumping
> around.
Use a smoothing algorithm such as:
SmoothValue = ( JumpyValue + K * SmoothValue ) / ( K + 1 )
where K is a smoothing constant, eg 10 or 100. The bigger the K, the
smoother the result, but the bigger the lag. But as temperatures don't
change very quickly, the lag does not usually matter.
--
Regards - Peter Hesketh, Mynyddbach, Mon.
Forty reasons why a dog is better than a woman: number 16
"Dogs like it when you leave lots of things on the floor."
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
Message is in Reply To:
 | | homebrew Temp sensor
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| Sorry if this is old news guys, but I finally got my temp sensor working! But I was wondering how I can keep the value from jumping around. I used one of those sensitive thermistors that you can order through Mouser Electronics. (26 years ago, 4-Jan-99, to lugnet.robotics)
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