What happens when you add a few wires and a microcontroller to your door buzzer? You can let yourself into your building from the outside!
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Mad Science World Let yourself In with this Hacked Morse Code Door Buzzer!
Apr 9, 2012 11:54 PM
What happens when you add a few wires and a microcontroller to your door buzzer? You can let yourself into your building from the outside!
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