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Author Topic: Secret Door Look  (Read 390 times)
jaurand
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« on: November 05, 2009, 08:34:16 AM »
http://lifehacker.com/5397180/diy-secret-knock-detector-grants-you-entrance-with-the-right-cadence

I think I'll need to put one of these on the entrance to my shop...
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Canuck
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« Reply #1 on: November 05, 2009, 08:56:41 AM »
Hmmm...now that might make for a cool puzzlebox mechanism  Grin
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"May you find hidden treasures in every pothole, real or imagined, and may your childhood never really end"  Stewart T. Coffin
Trooper
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« Reply #2 on: November 06, 2009, 08:58:22 AM »
Hmmmm.......now if that was on my shed door I'd spend 7 hours trying to get it open and only get a couple of hours in the shed! 
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philtomlinson
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« Reply #3 on: November 06, 2009, 08:21:39 PM »
very cool.  people are amazing!
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