What is this pin for on the creality v2.2.1 board for? : r/CR10

Creality V4.2.7 Wiring Diagram

Creality cr-10s upgrade kit for cr-10 What is this pin for on the creality v2.2.1 board for? : r/cr10

Creality cr10 Silent ender3 Ender3 4.2.7 silent board upgrade

ENDER3 4.2.7 SILENT BOARD UPGRADE - PART 4 - BLTOUCH 3.1- SWITCHING

Creality cr 10s wiring 3d
What is this pin for on the creality v2.2.1 board for? : r/CR10
What is this pin for on the creality v2.2.1 board for? : r/CR10

Creality CR-10S Upgrade Kit for CR-10 | 3D Printer Universe
Creality CR-10S Upgrade Kit for CR-10 | 3D Printer Universe

ENDER3 4.2.7 SILENT BOARD UPGRADE - PART 4 - BLTOUCH 3.1- SWITCHING
ENDER3 4.2.7 SILENT BOARD UPGRADE - PART 4 - BLTOUCH 3.1- SWITCHING