Bambu lab release new the A1 mini, using hotend pressure.
I think this is light enough on the MCU
bambulab a1 mini measure Inductance for pressure advanced auto calibration
Prusa mk4‘s hardware can do same thing.
I’m interested in how they do auto Pressure Advanced
without computer vision
Best posts made by PenguinAkiko
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Auto pressure advance turning by hotend pressureposted in General Discussion
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High speed ADC for string gauge z probeposted in Firmware wishlist
Using string gauge and AD620 for z probe. I think RP2040 has enough sram to do it
More details for auto pa, still need more data from hotend pressure.
https://forum.duet3d.com/topic/33667/auto-pressure-advance-turning-by-hotend-pressure -
RE: Auto pressure advance turning by hotend pressureposted in General Discussion
@nikscha Here is a post about sampling speed
https://forum.duet3d.com/post/251488