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Free GPIOs

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Michael Haas edited this page Dec 25, 2022 · 4 revisions

When running Klipper without a display, the following GPIOs may be available:

  • PB13 - Buzzer - unverified

I think this section applies: https://github.com/mriscoc/Ender3V2S1/blob/72b609366965ba83826b6124878193de20c3d664/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h#L164

And this: https://github.com/mriscoc/Ender3V2S1/blob/72b609366965ba83826b6124878193de20c3d664/Marlin/src/pins/stm32f1/pins_CREALITY_V4.h#L224

When using the CRTouch instead of the Z endstop, the folloeing may be available:

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