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What is a Photo Cell

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Uploaded by on Feb 2, 2011

A Photo Cell, LDR, or Light Dependant Resistor is used to detect light. Information on more components can be found in my videos or going here: http://filear.com/

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Science & Technology

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Standard YouTube License

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  • 3:26 what do u called that photocells??? why it has revese powered than others???

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