Subject:
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Re: Shutting off illumination LED on Light Sensor for LIDAR
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 28 Mar 2001 22:27:04 GMT
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Viewed:
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500 times
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Ralph Hempel had an example of the heat-shrink tubing solution here:
http://www.hempeldesigngroup.com/lego/lightsensor/index.html
He also tried used some black vinyl from a binder?
-Tim
In lugnet.robotics, Henry Chea writes:
> To make a passive light sensor, you can use a design like Michael Gasperi's:
>
> http://www.plazaearth.com/usr/gasperi/cds.htm
>
> It costs only a couple bucks, and works quite well.
>
> If you would like better response from your lego light sensor, you can
> use a piece of black shrinkwrap tubing and slip it over the red led.
> Make sure that the tubing completely surrounds the side of the led for
> best results. Then you can either close off the end of the tubing or
> leave it open; either way the sensitivity of the light sensor increases dramatically.
>
> //Henry Chea
> hchea@kungstorget.nu
> *S* Göteborg, jaja, jag behöver inget mer! *S*
> http://www.kungstorget.nu
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