Smooth your analog input using a Digital Filter, part II

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Hey,
I came across this article that illustrates, plots, explains and ultimately helped me understand what filter to choose for my next projects:

Copy paste from its conclusion:

  • Averaging: easy to implement and understand.
  • Running average: can use a lot of memory; usually not a good choice for an Arduino sketch.
  • Exponential filter: easy to change the amount of filtering using a weight; doesn’t need much memory; easy to implement with our Arduino filter library.

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