Subject:
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Re: Laser pointing devices could cause damage
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 17 Dec 1998 20:39:49 GMT
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Original-From:
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Sean R Wells <swells@osf1.gmu.eduAVOIDSPAM>
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Viewed:
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1385 times
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> I was wondering if these little pocket laser pointing devices can
> damage the RCX infrared sensor and also the light sensor?
>
> Anyone know about this. The laser would be fun to use as a trigger
> device for the RCX, of course if it only works once....
>
>
> Randy Palmer
>
> rpalmer@vader.mixbaal.udg.mx
Well, I didn't even take that into consideration when I tried it. It
worked, and I haven't noticed any change in the performance of my sensor.
I'm not exactly sure how the sensor works, but I'm pretty sure it's a CdS
photoresistor, so the laser should only lower the resistance to a certain
point, which I'm sure is indicated by a 100 level reading on the light
sensor. There is a minimum amount of resistance, and once it is reached,
no matter if the light comes from a flashlight, a laser, or the sun, it
shouldn't damage the underlying circuitry.
Sean R. Wells
Disclamer: If this damages your sensor, sorry but you did it, not me. :)
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Message has 1 Reply:
Message is in Reply To:
 | | Laser pointing devices could cause damage
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| Hi I was wondering if these little pocket laser pointing devices can damage the RCX infrared sensor and also the light sensor? Anyone know about this. The laser would be fun to use as a trigger device for the RCX, of course if it only works once.... (...) (26 years ago, 17-Dec-98, to lugnet.robotics)
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