Voice-Recognition Door DIY

Check out Raymond Corrigan's cool do-it-yourself voice recognition door:


(Voice-controlled door video)

This idea is almost a hundred years old (at least), Here's an excerpt from A Journey to the Year 2025 by Clement Fezandie:

“Wait until I open the door,” she cried. And then, slowly and distinctly she pronounced the words.

“Open sesame!”

At the sound of her voice, a door in the roof noiselessly opened, and the arm-chairs on which they sat automatically continued their journey.

“Was it the sound of your voice that opened that door?” asked Silas, puzzled.

‘Why, certainly,” replied the young lady. “Almost all our locks are phonographic. We first make the record by speaking into the phonograph, and after that the lock will only open when the same voice repeats the same words, for unless the needle travels in the same groove, the electrical contact is not made, and the door will not open.”
(Read more about the phonographic lock)

Philip K. Dick fans may wish to compare the cephalic-pattern door from The Zap Gun.

Get links to other info and code from here.

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