Subject:
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Re: Cheap air flow sensor
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 22 Jun 1998 16:24:09 GMT
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Original-From:
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Jim Fong <JFONG@ihatespamHOOKED.NET>
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Viewed:
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1215 times
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Electronic Design "Ideas for Design" section had a interesting circuit for
a Low-Power Thermal Airspeed Sensor in the May 25, 1998 issue.
It's more complicated than the Elektor design but the ariticle helps
explain thermal anemometry with the King's Law equation.
If you don't subcribe to ED, the article is on the web at
http://www.penton.com/ed/Pages/magpages/may2598/ifd/0525ifd.htm
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Message is in Reply To:
 | | Re: Cheap air flow sensor
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| Elektor had published a similar circuit for detecting air leaks. The heated transistor and another transistor acting as temp. sensor were glued together using heatsink compound. You had then to nullify/calibrate a meter at ambient temp. when the (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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