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10-05-2018, 08:24 AM #1
- Join Date
- Oct 2016
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- 184
Most boards have some extra AUX pins that can be used for stuff like controlling servos, relays what ever. Also pins normally used for display and sd-card reader can be used for different things, you just need to change their function in Marlin. I don't know if some Arduino pins are left unused with those boards, never had that in depth look at the datasheets...
I think Prusa is using some unused limit switch pins to read fan speed in MK2.5 upgrade for example.
Please explain to me how to...
05-13-2024, 03:08 PM in 3D Printer Parts, Filament & Materials