Arduino Spwm generating

Community General Discussion
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Hello guys, I saw this post, generating spwm with arduino and then I saw filtering the spwm signal with rc filter to get sine wave. A question, how can I calculate the values ​​for R and C, and if we use LC how can I calculate L and C.
Thank you //

ref GitHub - Irev-Dev/Arduino-Atmel-sPWM: Implementation of an sPWM signal

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