Thread: piezo buzzer
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Old July 23rd 12, 12:25 AM posted to rec.radio.amateur.homebrew
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First recorded activity by RadioBanter: Jun 2011
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Default piezo buzzer
On Sun, 22 Jul 2012 10:06:31 -0700 (PDT), wrote:


what is postive and negative on a round buzzer where contacs are an inside center circle and an outside ring ?

or does positive and negative matter with a piezo buzzer ?

No it doesn't matter. But it sounds like you just have a bare piezo
element, not the whole buzzer. What is driving it?
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