PI-Rex opens the door of your House with a Raspberry Pi and the barking of a dog

David Hunt, tired of having to get up to open the door to your dog when this barking, It has created an invention able to automatically open the door when the door detects barking. The invention has called it PI-Rex and consists of a Raspberry Pi, a system of opening doors and bark detectors. PI-Rex It is a very rudimentary system although it does not stop being curious.

David Hunt only expects that intruders will not discover his secret. We must not forget that the system is very basic and any dog's bark could open the door automatically.

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