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Secret Knock Detecting Lock

Unlock your door with a secret knock. More information, source and schematics at http://grathio.com  
 
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fabiuh991 (23 hours ago) Show Hide
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awsome!
BergerKing064 (1 day ago) Show Hide
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I'd program mine with ditty.
LuciusMare (3 days ago) Show Hide
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It looks funny,kinda like a headless stick figure :P
01200projects (6 days ago) Show Hide
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doesn't that guy look like jimmy carr!? cool gadget tho'
sunday325 (6 days ago) Show Hide
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the knock is not secret to your neighbors. It would be better to use this on a door inside the home rather than the entrance
FrozenWaffles7 (1 week ago) Show Hide
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i wanna buy one!
StratusSD (1 week ago) Show Hide
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This has got to be one of the single most awesome things ever.
K1Y2L1E7 (1 week ago) Show Hide
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you could easily mod it to sense a light combination through the peephole instead of doing a knock
BnaToToSnap (1 week ago) Show Hide
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are you selling those ?
FlashBackRecovery (1 week ago) Show Hide
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You are my hero!

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