Super fun project from FABLAB Dhahran:
This project demonstrates a design of a simple circuit and a box that can be unlocked using a specific knock. The circuit consists of an Arduino uno, a microphone, two LEDs, and a servo motor. The box can be made with your own design and creativity, but if you have access to a laser cutting machine, you can use the design uploaded in this instructable to make your box using acrylic. The video shows how the box responds to the secret knock.
Developed in ” http://fablabdhahran.org/ ” FABLAB Dhahran.
As per Steve – This is appears to be based on Steve Hoefe’s code/design, but the credit was removed 🙁
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