This is BL touch guide for Creality machine to setup Z off-set after installing and flashing the require firmware provided in the BL Touch Kit.

BL Touch Overview:

Bl Touch Z - Off Set setup

Another Beginner Video to Setup Z off-set 

BL Touch Probe Pin out, if you with to re-pin for DIY install please ensure you match the wiring from probe not the colour as Creality cable loom colour wire do differ between batches.