Secret Knock Detecting Door Lock
Gönderen: Seçkin Burak Cengiz · Yorum yap.
project using an arduino, a motor, and a piezo sensor which allows you to both record and detect knocking patterns to unlock a door. The video below does a fantastic job of demonstrating how it works: It’s completely mobile and can be suction cupped to any dead bolt. Press a button to record a new sequence. Upon detecting the correct sequence of knocks, the motor turns the lock open.
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