Marlin 1.1.9, Ender 3 Pro and automatic bed levelling using the BLTouch v3.1


This article describes another firmware customisation for the Ender 3 Pro utilising Marlin version 1.1.9 with the latest bug fixes. This time enabling automatic bed levelling utilising the BLTouch v3.1. This has been tested on the Ender 3 Pro but should also work for the non-pro variant and possibly other similar 3D printers.