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0:56
YouTube
Energy Tricks
How to Build Laser Base Home Security Alarm System #shorts
How to Build Laser Base Home Security Alarm System #shorts In today’s project, we’re building a laser-based home security system circuit — a simple yet effective way to protect your space using basic electronic components. This project uses a BC547 transistor, LDR (Light Dependent Resistor), LED, buzzer, and a laser pointer to create a ...
43.6K views
3 weeks ago
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