Reduce The PWM Frequency To 100Hz In Arduino Nano 33 Ble Sense

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Reduce the PWM frequency to 100Hz in arduino nano 33 Ble sense Projects Programming July 21, 2020, 9:11pm 1

Hi,

I am working in a project to control an element using 100Hz PWM frequency. Since i am using arduino nano 33 ble sense, I use analogwrite function to vary the duty cycle but i am unable to control or reduce the PWM frequency. It would be great if some one helps me in solving this issue.

Thanks in advance.

July 21, 2020, 9:27pm 2

100 Hz is pretty low. DId you do some experiments of your device does work with a higher PWM-frequency? If the device transforms the PWM into an anlog voltage the frequency is not important.

One way to create a PWM with a frequency of 100 Hz would be doing it on your own in the loop()-function thriugh the use of the function millis() for the timing.

It is always a good idea to do a five-minute research with google. I'm sure you will find useful information.

best regards Stefan

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