Subject:
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Re: Homebrew rotation sensor idea
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 23 Nov 1999 02:37:43 GMT
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Viewed:
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494 times
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I learned that general-purpose LEDs are NOT polarized.
> Sone LEDs (laser diodes, don't know about others) are polarized in some
> specific plane. It is possible to separate the horizontally polarized
> component from the vertically polarized component and do things with that. The
> plane orientation varies from one laser diode to another. I don't know if it
> varies with power output.
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Message is in Reply To:
 | | Re: Homebrew rotation sensor idea
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| Excellent idea! I'd suspect that the relationship would be sinusoidal rather than linear, but who knows? If it is, it's a sine/cosine generator, too. Sone LEDs (laser diodes, don't know about others) are polarized in some specific plane. It is (...) (25 years ago, 21-Nov-99, to lugnet.robotics)
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