After extensive testing, I concluded that something was distorting my sensor reading. Since I had two SameSky CUI AMT10E3 capacitive encoders.
WhatsApp Image 2025-03-14 at 20.22.22.jpeg
I set them to 2500PPR and mounted them. Now closed loop runs whisper quiet. Here are two examples:
stealthchop.mp4
closed loop.mp4