Masato Sudo, a software engineer in the Microsoft Windows IoT team has developed a system which recognises a person approaching a door and then unlocks (or doesn’t) accordingly.
A standard USB camera captures the image, the Pi takes the image in and, using the Microsoft Cognitive Services API, identifies the person.
“It’s a prototype that identifies the visitor.” If the door recognises the visitor, it will greet them by name, and the door will be unlocked and opened.
If they aren’t identified, the door remains firmly locked. The opening of the door is controlled by a GPIO pin that sends a signal to a relay. The code is C# and was written using Visual Studio.
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Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!