Relay Project | Automatic Day Night Lamp💡 Using 12V Relay Circuit📼

Automatic Day Night Lamp Making
#12VRelay #Circuitdiagram #DIY
Materials Used:
1. 12V Relay
2. IN4007 Diode
3. 2N222 NPN Transistor
4. LDR
5. 47K Resistor
6 . LED bulb
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[@BhaskarMeena-fz2vr]

Bc547 ka use kr sakte hai

[@rebelspokenenglishmirganjb9945]

Up

[@lovenaturebinthmusthafa2799]

Why diode is connected?

[@thihazawzaw]

How i can get 12 realy

[@Creative_Experiment]

You asking 12v relay or ?

[@sciencefusion5352]

To save the transistor from back emf of relay coil