DIY Laser Tripwire Alarm – Home Made Security System!!

DIY Laser Tripwire AlarmDIY Laser Tripwire Alarm

A tripwire is a passive triggering mechanism. Typically, a wire or cord is attached to some device for detecting or reacting to physical movement. In this case, we have a DIY laser tripwire that can set off a loud alarm if anyone tries to cross it!

DIY Laser Tripwire Alarm – Home Made Security System!!

No security system is complete without lasers. We have all seen movies where the main character has to get past a high tech security system and there is always a room full of lasers somewhere.

So in the video below, you can see how to build a laser tripwire alarm. With this you can cover an entire house with an array of light beams. If any one of them is crossed it sets off your alarm. And unlike in the movies, these lasers are practically invisible.

Check it out!

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