Kip Kay has a new video and Instructable on building a laser-beam-triggered alarm system. I don’t know that I’d want to rely on such a thing for actual security, but it might be a fun project nonetheless.
Protect Your Home with Laserbeams! – Link
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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.
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heh
Would be cooler with Altoids tins.
I’d also like to see a battery pack and better mounting system for portability, so I could set these up in a hurry while on secret missions.
mission impossible eh?
tom cruise is in for some serious shit once he sees this
your alarm design wont work!!!! it will stop ringing after the laser beam is “uncut”. how can i make it ring continueously until i turn it off????
What kind of schematic is that?
Where do I get that awesome three terminal 9V battery?