How to Make a Automatic Light

by Electro Retro in Circuits > Electronics

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How to Make a Automatic Light

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This is a simple automatic light circuit

Components Needed

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1)ldr

2)12v relay

3)1k resistor

4)100mfd 25v capacitor

5)10mfd 63v capacitor

6)2× in4007 diode

7) BC 547 npn transistor

8) pcb

9) bulb holder

Circuit Diagram

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Sorry for the bad image

After Completing the Circuit

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Connect bulb holder to no of relay

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More Details in Video

How to make a automatic light