Joseph Thai hacked together this incredible Mario Doorbell for his apartment. Not only does the doorbell make a coin sound from Mario every time the button is pressed, it also increases the digital counter displayed. Every 10 “coins” collected makes the life-up sound and every 100 makes the mushroom upgrade sound to be played. See and hear it in action here in this demo video:

As Gizmodo points out there is one HUGE fatal flaw in this otherwise awesome doorbell system- the doorbell rings. While normally you want a bell to ring to announce a guest at your door, when the guest has an incentive to press the doorbell over and over and over again, it might get sliiiiiightly annoying inside the house. My dog would go bonkers if someone rang the bell 100 times, just crazy.

Mario Bros. Doorbell: Is the Princess in this Castle?
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