Make Bc547 Security Alarm

Smart Laser Security Alarm Using BC547 Transistor | Laser Alarm Using BC547 Transistor

Security alarm using bc547

Door opening alarm Using NPN Transistor BC547 Full Making Project-8 #ataltinkeringlab #miniproject

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TOP 10 Electronic Projects With BC547 Transistor

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How to make Laser Security (Theft) Alarm using SCR - 1 KM Range

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BC547 loop break security alarm, burglar alarm circuit

Laser security system using LDR and transistor bc 547

How make security alarm by transistor bc547.

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Laser security alarm Using NPN Transistor BC547 Full Making #miniproject #scienceexperiment

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

Forward and Reverse Motor Controller Using 547Transistor || Dc Motor Direction Controller Circuit

Techgyanbiswajit • 100k views • 2 hours ago

How to Make Laser Security System at Home | Using BC 547

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How To Make A Laser Security Alarm ( BC547 ) Transistor

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DIY SECURITY ALARM WITH LDR AND BC547 TRANSISTORS.

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DIY How To Make Touch Sensor || (single transistor bc547)

LDR Project With Bc547 Transistor and Buzzer | Home 🏡 Security Alarm System | Photoelectric Effect

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How To Make a proximity sensor Using BC547 NPN transistor , IR LED , photo Diode and LED

How to make Wire Break Alarm using BC547 | Simple School Project | 3 Component Project.

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How to Make a Mini Laser Security Alarm System using BC547 - DIY

2 amazing security alarm system, using reed switch and bc547