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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

piezobuzzer

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    Small Buzzer for sons disc golf discs.

    I need help making a super small buzzer powered by a large hearing aid battery. I am in need of it being around the size of a quarter to a half dollar and simply must buzz every 10 or so seconds when activated. The simpler the execution the better. Any help or diagrams would be appreciated. He...
  2. B

    Extremely loud and small buzzer

    I am looking for an extremely loud buzzer for a personal project. I'm looking for something that is about 130 db at the source. Ideally, I would like to find something like what is used in all the personal defense keychains. The buzzer needs to be small and the voltage needs to be less than 20...
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