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how does one make a whistling key finder, i.e, you whistle, it whistles back
Basically, when you've lost your keys, all you do is whistle and it whistles bach at you. What materials would i need for such a project.
Basically, when you've lost your keys, all you do is whistle and it whistles bach at you. What materials would i need for such a project.
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11 years ago
how do you make a eectric keyfinder i want to make one myself i know i need a piezobuzzer what else