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How many bits in the Arduino PWM?

Discussion in 'Electronic and hardware generally' started by motiondynamics, Jun 8, 2021.

  1. motiondynamics

    motiondynamics Member

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    Hi everybody.
    I need to know something fundamental to build the electronics that best suit my needs. I have to use SimTools and Arduino Uno R3 to move my simulator.
    I need to know: how many bits does the PWM frequency of SMC3 v1.0, 8bit or 10bit have?
  2. Ads Master

    Ads Master

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  3. Gadget999

    Gadget999 Well-Known Member

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    I think there are 255 steps on a standard uno pwm

    Its not a lot but combined with a fast pid loop it's good enough

    What is more important is the resolution of your feedback position