Very Smart Security Alarm System using PIR Motion Sensor || Inspire Award Project || Science Project

Опубликовано: 18 Февраль 2026
на канале: SKR Electronics Lab

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Hello friends welcome to our channel SKR Electronics Lab . In today's video I will show you how to make a very sensitive and smart security alarm system using PIR Motion Sensor.
You can show it in your college and school Science Project or Science Exhibition. So watch the whole video without Skipping 😊

Website Link 👇👇

https://makerbazar.in/?ref=pYcgjHPNia88u

🔘 Circuit Diagram :-

https://skrelectronicslab.blogspot.com

🔘 Components Required :-

1. BC547 Transistor

https://amzn.to/46d7dBW

2. 1K Resistor

https://amzn.to/40KLv7q

3. PIR Sensor

https://amzn.to/47DjYXo

4. 1N4007 Diode

https://amzn.to/3G48LDz

5. Buzzer

https://amzn.to/3QH8WcY

6. Switch

https://amzn.to/3QKTmNq

7. 9v Battery with Connector

https://amzn.to/47iEX1Z

9. Some Wire

( Circuit Diagram is in the video)

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#security_alarm
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