Klipper: special pins (e.g. Timer) for step signal?

  • Hey,

    I have a general question regarding which pin one can use for the generation of the STEP signal for stepper drivers.

    For my project I'm thinking about using the duet hardware in combination with the Klipper firmware. For the Klipper firmware one needs to map the individual pins in a config file. I was wondering which pins I could map for the generation of the STEP signal. Do these have to specific function pins like timer pin or can they be general purpose digital IO pins.


  • Moderator

    @schpongo which Duet? Duet 2 WiFi pinout table is here https://duet3d.dozuki.com/Wiki/Duet_2_Pinout_table


  • Do you mean for external stepper drivers?

    If you don't mean that, and instead you actually want to drive the internal stepper motors, there should be example configurations in the Klipper repo for Duet 2 Wifi, even including a Duex config.

  • Thanks for the information!

    I solved my question by asking one of the developers. The STEP pin can be any IO pin and does not need to have a special function like a timer.


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