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How to change the buzzer's frequency?

Hi guys!
Recently, I lost my original pixhawk’s buzzer. So I get a new one from the local vendor, But the volume is not very loud, So I check the datasheet found the driver frequency should around 3KHz, Then I measured the FC’s buzzer output frequency is 1.7KHz, Is there anyway to change the output frequency?

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Same problem here , my buzzer voice is very poor also it comes with pixhawk.

Thank you :slightly_smiling_face:

Just give up… I get myself new one…The code is too complicated to me

Decided to give up :confused:.

But something find new in code.

Happy flying :slightly_smiling_face:

Servers by jDrones