Automatic Street Light Working Model | Science Exhibition Project Ideas
Автор: Knowledge Fuel
Загружено: 2026-01-22
Просмотров: 1
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Hello Friends! 👋
Welcome back to the channel. In today’s video, I will show you how to make an Automatic Street Light system. This is a very popular and easy science project for school exhibitions and science fairs.
💡 How it works: This project uses an LDR (Light Dependent Resistor) sensor. The lights automatically turn ON when it gets dark (night) and turn OFF when there is sunlight (day). This concept is used in smart cities to save electricity.
🛠️ Components Required:
LDR (Light Dependent Resistor)
Transistor BC547
Resistor (100k ohm & 330 ohm)
LED Light
9V Battery & Clip
Connecting Wires
Breadboard or PCB (Optional)
This is a perfect working model for students of Class 7, 8, 9, and 10. Watch the full video to understand the circuit connection step-by-step!
👇 Support the Channel: If you found this video helpful, please: 👍 Like the video. 💬 Comment below if you have any questions about the circuit. 🔔 Subscribe for more cool
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