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Knock Lock – Unlock a Door with a Secret Knock (2009)

http://hackedgadgets.com/2009/11/04/knock-lock-unlock-a-door-with-a-secret-knock/

by Cogito • 14 years ago

2 2 14 years ago

HA

hackedgadgets.com

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2

Cogito2• 14 years ago

Some previous discussion:

http://news.ycombinator.com/item?id=924237

http://news.ycombinator.com/item?id=927299

I wonder how easy a similar set-up with a Raspberry Pi would be. The option to use the same hardware, but provide a web service to control the door as well, or other authentication methods would be cool to see.

Cogito2• 14 years ago

Apparently I missed the original as well! - it's at:

http://grathio.com/2009/11/secret-knock-detecting-door-lock....

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