How to use Magnetic Buzzer Transducer

Hey guys!
So I recently got this audio buzzer, DigiKey Part 102-1458-ND
I am having some trouble getting it to work. Can I ground it and give it 3V, or do I have to enable it in the code?

Hi @nweixelman, CUI has a good Application Note, which may help answer some of your questions:

Most importantly is:


My biggest questions, do you have a diode in parallel with the CUI CST-931AP?

There’s also a good example on the bottom of page 2:


I did see that diode, but it didn’t give me a value or part of one to order.
Do you know of one that would work?

Hi @nweixelman , just standard diode like:

Should work fine…


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