This breakout board can drive piezo outputs up to 18Vpp from 3V supply. An internal 3X charge pump generates boosted supply voltage for piezo driver. To use it, just make the following connections:
I was searching online on how to increase the volume of piezo buzzers and did not find an easy solution in the form of a breakout board, and so I made this.
It comes in a small form factor and can be easily integrated to give your projects a much louder voice.
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I specialize in making breakout boards for various things.