My Smart LED's

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Introduction: My Smart LED's

This is a very simple project .The LED's glows automatically at dark and becomes off at daylight .This circuit comprises very few components.

Step 1:

Components requried:-
1)transistor-BC558
BC548
2)LDR
3)resistor-10k
4)variable resistor
5)LED's
6)button cell

Step 2:

Solder the components as given in circuit.

Step 3:

and at last .....it's done.It look's to cool

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    3 Discussions

    Have you got a picture of these lit? DSC00385.JPG looks a bit dark, but I guess it wasn't dark enough? L