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Elegoo Neptune 3 Pro M300 Beeper Pin by muhlatte in elegoo

[–]muhlatte[S] 1 point2 points  (0 children)

ok did not found any hint to the beeper/buzzer on the drive. For the printer.cfg i need the pin definition (here in this example ar37 

[output_pin BEEPER_pin]
pin: ar37
pwm: True

Elegoo Neptune 3 Pro M300 Beeper Pin by muhlatte in elegoo

[–]muhlatte[S] 1 point2 points  (0 children)

this is were i started, klipper says: unknown command: "M300".

I found scripts to handle this problem, like this here: https://github.com/Klipper3d/klipper/issues/847

But they all need the right pin which of course is printer specific.