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Re: [AVR-Chat] very faint piezo buzzer

2005-05-26 by Ralph Hilton

On Thu, 26 May 2005 10:50:58 +1000 you wrote:

>Ralph Hilton wrote:
>> Connect it between 2 output pins and switch them alternately. That effectively
>> doubles the voltage.
>
>How does that work?

If the 2 pins are alternately pulled up then the peak to peak voltage is 10.
--
Ralph Hilton
http://www.ralphhilton.org
C-Meter: http://www.cmeter.org
FZAOINT http://www.fzaoint.net

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