Automatic Night Light Bulbs

This circuit automatically turn on at night and turn off at day time. Finally, after searching through numerous circuits the internet, I figured that an effective, small and cheap circuit could be designed with ease. 

The circuit works on 220v AC It is always advised to take proper care and precaution while working with AC Mains

Parts List:-

  • Triac BT136, 
  • Diac DB3
  • LDR
  • Resistor 100k/1watt

Dusk To Dawn Light Bulb Circuit Diagram

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Dusk To Dawn Light Bulb
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