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Showing posts from April, 2015

Automatic street light

Components: ·          Transistor BC547 : 1 ·          Light dependent resistor (LDR) : 1 ·          Resistors 330Ohms :1 ·          Resistors 220k :1 ·          LED :1 MISC: ·          Bread board ·          Hook up wires ·          9v battery ·          battery snap Circuit: