Make A DIY Laser Tripwire Alarm

It's simpler than you might think to build a quality home security system. What's a security system without lasers, though?

In the video above, MAKE Magazine shows how to create your own laser tripwire using just a few dollars worth of electronics equipment. For this build, you'll need some soldering skills (though you can also purchase laser kits online). The video also shows how to use mirrors to turn one little laser trip wire into an impossible-to-navigate labyrinth of lasers, in the style of your favourite action movie.

DIY Hacks & How To's: Laser Tripwire Alarm [MAKE]


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