I am trying to create a digital low pass and high pass filter. I am looking at the serial monitor and I am getting the same value that I intit my low pass not sure why or maybe I am understanding how the Arduino loop works. Any help would be appreciated.
B is always zero, because this is performing integer division.
Brush up on 1st order filter theory here: Arduino Tutorial: Simple High-pass, Band-pass and Band-stop Filtering – Norwegian Creations
how the Arduino loop works
It is just a function, called repeatedly from the hidden main(), and works like any other function.
thanks
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