Creality 2.5.2 Board Diagram

What is this pin for on the creality v2.2.1 board for? : r/cr10 Creality cr10 Creality v4

Creality V4.2.7 Silent mother board.. - WOL 3D - 3D Printers

Creality talkingstuff ender Creality silent Creality silent

Creality v4.2.7 silent mother board..

Creality v4.2.7 silent mother board..Creality-board-1-1-4 Creality upgrade board update: : r/3dprintingCreality v4.2.7 silent mother board...

Creality board .

creality-board-1-1-4 | talkingStuff Network

Creality Board | 3D Print Beginner

Creality V4.2.7 Silent mother board.. - WOL 3D - 3D Printers

Creality V4.2.7 Silent mother board.. - WOL 3D - 3D Printers

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

Creality Upgrade Board Update: : r/3Dprinting