How to make auto light that ON in night and OFF in day. How to make Light that on in night and off in day without switch and special person.

How to make auto  light that ON in night and OFF in day.  How to make Light that on in night and off in day without switch and special person.

Auto light switch OFF in day and ON in night .

Required Components:

• 1 Battery 12V.
• 1 LDR.
• 1 Relay 12V.
• 1 Resistance 570 ohm.
• 2 LED.
• 1 NPN transistors (c945).
• Some wires.

Let's Start to Complete the circuit.

Complete the circuit as diagram.

As the circuit diagram please complete the circuit.

In diagram 2 LED shown D1 and D2 These LED glow in deferent time D1 glow in day and D2 Glow in night.

• Relay Connected with Battery and NPN transistor.
• + Point coming from Battery + pole 
• And - coming from Transistor's center point.

Thanks for Reading :

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