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Simple LDR Circuit by Bobby

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Uploaded on Nov 16, 2010

Dark Detector LED Using LDR.
A small ciruit using LDR (Light dependent Resistor), where the LED light automatically turns on when the surronding are dark and automatically turns of when surrounding is bright.

Components used: BC547 transistor, LDR,100K ohms resistor,9v Batery

For Circuit diagram visit http://goo.gl/OB4UyA

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