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Z Stepper Pins Labeled incorrectly PC7-->PB7 #64

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Danielstc91 opened this issue Apr 19, 2021 · 0 comments

Danielstc91 commented Apr 19, 2021 •

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Hello,
Just wanted to share some findings with incorrectly labeled pins on the SKR GTR.

Z Direction Pin on "Pins" file is labeled as PC7.
Z Dir on Schematic is labeled as PB7.

PC7 on pin layout diagram is INCORRECT. And when setting up firmware with these pins will cause stepper to only function in one direction.

Setting Klipper(Marlin may have issue as well) with PB7 will resolve issue.

[stepper_z]
step_pin: PB8
dir_pin: !PB7
enable_pin: !PB9

Files attached for reference.

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