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DIY Laser Security Alarm! | Simple Home Laser Tripwire Circuit

YouTubeEdvention One

DIY Laser Security Alarm! | Simple Home Laser Tripwire Circuit

Build your own DIY laser security alarm at home using just a TIP31C NPN transistor, BT137 triac, LDR, 100K resistor, and a laser beam. This laser tripwire circuit is perfect for home security—fast, reliable, and uses only cheap, easy-to-find parts. Ideal beginner electronics project. Components used: TIP31C NPN transistor BT137 TRIAC LDR ...

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How to make Laser Security Alarm using LDR - 1 KM Range

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How to make Laser Security Alarm using LDR - 1 KM Range

Laser Security System DIY

DIY | Easy Arduino Laser Tripwire Security System!

DIY | Easy Arduino Laser Tripwire Security System!

instructables.com

2020年9月30日

1.3M views · 1.7K reactions | Using Laser To Cut Tree Branches!  | Lilyon DIY | Facebook

1.3M views · 1.7K reactions | Using Laser To Cut Tree Branches!  | Lilyon DIY | Facebook

FacebookLilyon DIY

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How to make Laser Security Alarm System without LDR || Inspire Award project || SKR Electronics Lab

How to make Laser Security Alarm System without LDR || Inspire Award project || SKR Electronics Lab

YouTubeSKR Electronics Lab

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How to make Laser Security Alarm using LDR - 1 KM Range

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