Morse Code Door

Morse Code Door

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Imagine that when you arrive at home after a busy working day, you find that you forgot you key in company…How terrible!

The Morse Code door avoids this dilemma perfectly.

Just attach the Mic sensor to the inside of the door, and attach the servo with other devices closely to the inside open button.

When you knock the door outside, the Mic sensor can detect the knocking sound, if the morse code matches the preset one, the servo will rotate its arm which will just press the button.

Is it interesting?

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