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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Shubham Kamble
Shubham Kamble 2018 年 2 月 23 日
回答済み: Arpita Agrawal 2018 年 2 月 23 日
Is there is problem with support package or arduino, I am using arduino uno.

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Arpita Agrawal
Arpita Agrawal 2018 年 2 月 23 日
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: https://www.arduino.cc/reference/en/language/functions/analog-io/analogwrite/
-Arpita

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