How to Make Auto-Night ON/OFF Bulb using LDR and BC547 Transistor | #diy

Learn how to make an automatic ON/OFF light bulb circuit using an LDR (Light Dependent Resistor) and BC547 transistor. This DIY electronics project is perfect for beginners, school students, and tech enthusiasts. In this video, we will show you how to use an LDR to detect darkness and automatically turn on a bulb using a simple transistor-based circuit.

What you'll learn:

How an LDR works

BC547 transistor usage

Automatic light control circuit

Step-by-step explanation with diagram
Materials Required:

LDR

BC547 Transistor

Resistor

LED/Bulb

Power Source
This project is ideal for school science exhibitions, basic electronics learning, or home automation.

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Видео How to Make Auto-Night ON/OFF Bulb using LDR and BC547 Transistor | #diy канала science vs xyz