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Questions about Buzzer in Microcontroller Technology?

Some questions:

How to program the buzzer to change the waveform and also change the tone of the sound.

What kind of waveform does the buzzer use? Sine wave, square wave etc.

How does the buzzer sound?

It's good if u can paste links of useful websites as I'm researching on buzzer.

Thanks.

1 Answer

Relevance
  • Anonymous
    1 decade ago
    Favorite Answer

    The piezo buzzer will give best results when fed with a square wave, after all, that's what the micro controller will give out. The square wave is rich in harmonics that will bounce around in the buzzer cavity giving a louder sound.

    Source(s): HND Electronics UK
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