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Hi, I am using the ardunio support package in MATLAB to generate pwm pulses, but when I checked the PWM pulses at arduino digital pin with DSO it is not showing the correct frequency as 4kHz instead it shows smth around 200Hz. Can anyone suggest?

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Is there is problem with support package or arduino, I am using arduino uno.

Accepted Answer

Arpita Agrawal
Arpita Agrawal on 23 Feb 2018
PWM frequency is not programmable in Arduino. Depending on which pin you are using to generate PWM the frequency may vary. Refer to Arduino documentation for more details:

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