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How to generate a “click” sound by buzzer component instead of speaker, through mix the frequency or PWM output

Question asked by yutong Chen on Jul 23, 2018

 Now we are using FS32K148UJVLQ to design a product. I heard it is possible to generate the “click” sound by buzzer instead of  the speaker cicuit  to save cost. 

I thought if it is by the way of mixing the output frequency or PWM of MCU. Does this MCU have frquency/PWM mixture function? by which ways? Do you have this experience to generate sounds like “click”,"ki-ta" or the turn left/right of instrument cluster by buzzer?