Use diag_pin to detect obstacle on bed and set offset in IDEX printer

[gaolst]

You can try to adopt this working solution based on optical switches and macros.

Secondary needle calibration

Hi everyone. Some time ago I decided to convert my 3 axis dispensing robot to Klipper control. Previously I had to use a “teach pendant” to set up the program, which was time inefficient and inaccurate. Now I just need to create a program with G code from CAM and CAD. However, I had a problem with the accuracy (axial symmetry) of the dispensing needle. I wanted to solve it this way: Video Thanks to user @gaolst I have a workable solution. Here is the original thread with the macro by @gaolst:…