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Type: Posts; User: will_bain

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    Okay, I breadboarded the single cap version, and...

    Okay, I breadboarded the single cap version, and it works great. Not super loud, but definitely audible from across the room, and very low current draw. This is the circuit that works for me:
    ...
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    I just tried the version that uses a pair of...

    I just tried the version that uses a pair of capacitors, but it doesn't appear to work properly.

    13601

    I might have done something wrong, but I soldered it up and the piezo element was barely...
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    Thanks for the excellent advice, grease_lighting!...

    Thanks for the excellent advice, grease_lighting!

    Is this what you meant about breaking a connection and adding a second capacitor?

    13489

    Also, should the capacitors be electrolytic or...
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