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Unread 09-08-2006, 21:01
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DonRotolo DonRotolo is offline
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Re: Vex Light Sensor

Basically, it is a standard CdS sensor which has low resistance in bright light and high resistance in darkness. Since it carries the current from the +5 supply to ground, the analog sensor has a value of about 0 in bright light, and about 255 in darkness.

The Inventors Guide on the item is here.

If you mean the specific characteristics of the CdS device used in the Vex product, I don't have that info, but I am sure Vex Labs would answer that in their forum.

Don
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