Ender 5 PRO +BL-Touch 4.2.7 Mainboard

Basic Information:

Printer Model: Ender 5 PRO +BL- Touch
MCU / Printerboard: 4.2.7. Creality Board
Host / SBC
klippy.log

Hi everyone,
I haveb trouble connecting my Creality Sonic pad to my ender 5Pro which is upgradet to an 4.2.7 Mainboard with CR-toch.
I already tried some stuff which was discussed last Year in an older Topic but i cant get no Connection to my Printer no matter what i try.

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Describe your issue:

Hello @Christian610

The issue might be in here: