how to make a simple laser security alarm | amazing science project | thief detection alarm
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YouTubeMK Smart creations
how to make a simple laser security alarm | amazing science project | thief detection alarm
components list Mini Breadboard - https://amzn.to/3W0jeHZ 10k ohm resistor - https://amzn.to/4pteVlN LED - https://amzn.to/3X8eIbO LDR - https://amzn.to/3Mt4eBi hw battery with clip - https://amzn.to/4ptf3lh buzzer - https://amzn.to/3XWT7UM bc 547 transistor - https://amzn.to/3xVBvhr laser light - https://amzn.to/3VVxqmo optional tools glue gun ...
558.1K viewsMay 17, 2024
Best Security Alarms
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