• Unlock a drawer by knocking a secret pattern using this guide in the Adafruit learning system! • The project is for fun. • Don’t use it for serious security or to lock people inside of anything. • Nothing says “There’s something valuable here!” than the sight of a lock. • But what if the lock was invisible and the unlocking key could be transmitted through solid matter? • No one would even know there was a lock, much less how to pick it.
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