How to make Motion Sensor Automatic 💡without Arduino || SKR Electronics Lab
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👋 Hello friends,
In this video, I’ll show you how to make a PIR Sensor Based Automatic Light System 💡 — one of the best science projects of 2025, and a great idea for your school or college exhibition.
The best part? No Arduino, no coding, no microcontroller is used — just simple and easy-to-find components. If you're searching for a real-life working electronics project for a science fair or innovation challenge, this is a perfect choice.
We’ll build it step-by-step, using beginner-friendly methods so anyone can understand and make it easily — whether you’re a student, hobbyist, or just love DIY.
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⏱️ Timestamps:
00:00 ▶️ Introduction
01:12 ▶️ Project Making Start
03:00 ▶️ Sponsor
07:25 ▶️ Testing
08:14 ▶️ Fixing Tips
08:46 ▶️ Outro
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🌐 Circuit Diagram: (Coming Soon...)
🖇️ Link: https://skrelectronicslab.com/
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🧾 Components Required:
1. PIR Motion Sensor
2. BC547 Transistor
3. 1N4007 Diode
4. 1K Resistor
5. 5V Adapter
6. Bulb Holder
7. Plug
8. Some Wires
9. PVC Box
🧰 Tools Required:
19. Soldering Iron
20. Solder Wire
21. Glue Gun
22. Glue Stick
23. Wire Cutter
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📲 Social Media Links:
🔴 Instagram:
/ skr_electronics_lab
📧 For Business Only:
[email protected]
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🙏 Thanks for watching this video ❤
Have a nice day & keep building amazing things! 👍
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