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How to make Fire Detector Alarm at home 🔥 Very Simple BC547 project

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How to make a Simple Fire Alarm Circuit?

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How to make a Simple Fire Detector Alarm Circuit

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What's inside a fire alarm device

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Simple Fire Detector Circuit: DIY with LED, Zener Diode, and 9V Battery! #shorts #cricut #firealarm

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Smoke Detector Test

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How To Make A Fire Alarm Security System Using Infrared Sensor | Working Model | On Breadboard