Arduino, resistor, and barrel plug lay waste to millions of hotel locks

The security flaws on this common hotel keycard lock are nothing short of face-palmingly stupid. Look closely at the picture above. This is a hotel room door swinging open. The device he holds in his hand is an Arduino connected to the
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Technorati Tags: arduino, face, hack, Hotel Locks, Hotel Room, Hotel Security, resistor, Security Flaws, stupid, Swinging

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