@Phaedrux
Hi! I think you mean this page... it looks like this.
The Piezo pin is wired to zprobe.in on the duet (not zprobe Mod). When tapping the Piezo the Paneldue screen toggles bettween 1000 and I think 0 so I think the board gets the Signal correct. Only the config won´t get it...
duetboard.jpg
