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Thanks for the generous offer :)

I think Richard is eluding to a process called Fast Fourier Transform, FFT for short. The filter is a mathematical equation applied to each result. In many cases, the previous result is part of the...

Have you checked to see if you actually have a pulse for this thing to read? Maybe you're dead and don't even know it?? Try it on someone else as a verification? Just joking...

Here is a Filter algorithm that has served me well with several projects. For the moment I'm going to assume your code serves 2 main functions: read the heart rate MAX30102 and report the results. ...

In Post #44 your low-pass filter seemed to work perfectly, then in Post #49, it seemed a bit overdone. Then in Post #51 it looks like the low-pass filter is acting like a 500F capacitor! I didn't...