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Re: Homebrew spectral analyzer


 

Before I selected the encoder, I read the datasheet of EVQWK that you designed and selected. It is a mechanical encoder that provides quadrature pulses. Therefore, I selected the mouse encoder according to this specification. The model I selected belongs to a similar mechanical encoder.



I think when you use EVQ-WK, its effect should be to scroll a joint to trigger a scroll signal, which is to scroll a line of menu options, but unfortunately, the effect of using the mouse encoder is not the same.

I read your program code, there is software filtering in it, so there is no additional capacitor added to the hardware, I also tried adding this capacitor, but the effect did not improve.

When I used the disassembled mouse encoder, I cut off all the three pin leads of the encoder. My ESP32 board has pull-up resistance according to your design.



And,I?change bool fullQuad=false to bool fullQuad = true did not succeed.




The original intention of changing this mouse encoder is because the mouse encoder is more common and easier to get than EVQ-WK, but the current state disappoints me.

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