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arduino secret knock lock

Found a project where this guy uses an Arduino to detect a selected kncock pattern to unlock a door. Clever, though i hope no one is listening when it's being set!

found here



Wasagi7 years ago
 Why isn't that guy on Instructables?
mikeasaurus (author)  Wasagi7 years ago
I found this video posted on another website and thought it was pretty cool.
I shared it here, then a month later I see this.
Little did I know, the author was already a member, small world  internet.
 Woah! Looking at his page, I've read about half of his instructables!