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Published on 24 Dec 2012 | over 4 years ago

This video will show you "How To Make A Light Sensor" in very easy steps
The things you need are:
*BC547 Transistor
*270 Ohm Resistor (x2)
*LDR (Light Dependent Resistor)
*LED (Light Emitting Diode)
*6V Power Source
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