scott.wiederhold:
Finding some unused GPIO on the PCB to add home switches and this would be the first open source improvement that I would get excited about. Ethernet would be the second…
The only easily accessible free GPIO’s on the factory control board happen to be for the un-populated Ethernet interface.
@dan has mentioned in the past that current stepmotor drives can detect obstructions or reached limits without the need for physical switches, the way that trinamic drives do on new prusa 3d printers. he said that all in needs is software implementation
Thanks! We can already detect it on current hardware, although it’s not hooked up in software yet.
If I have a cut close to front right corner, the printer head is colliding with the magnet-bump-out of the front door and causes a miss alignment in the x-axis for the rest of the cut.
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After that, I turned off the forge and let it home again…
if I cut the same file again the head collides again…
Maybe that’s what causes also @ryanjpedersen some grief…:
Apparently others had similar problems in that corner.
Maby shaving off some of that bump-out will fix the problem… o…
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