Gpio pin pi4b

[littleasome14]

Basic Information:

Printer Model:
MCU / Printerboard:
Host / SBC
klippy.log

Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed
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Describe your issue:

i am 100% new coming from marlin printer is a ender 3 s1 and i want to by pass the old sensor so i got a bigtreetech sfs 2.0 and trying to use gpio pins. i have found videos online of how to install it but still dont work. so i looked up how to enable gpio pins in klipper and found a official site and followed it and was using ai to try to help by putting in the error but it putting me in circles

klippy (10).log (131.3 KB)

config-20251021-064524.zip (2.4 KB)

…

[3dcoded]

Hi @littleasome14 ,

In your config:

[filament_switch_sensor switch_sensor]
switch_pin: rpi_gpio9

rpi_gpio9 should be changed to host:gpio9

[littleasome14]

Thanks!! That helped I also had to move the mcu host up to the top to get it to work also dont know why. Thanks for that been stuck for a day or two for bad code rip me hahaha

[3dcoded]

Great! If my solution worked for you, please mark it as the solution so other people know this has been resolved.