Firmware 2.5 with sensor for Ender 3

this a custom firmware 2.5 for a ender 3 with a sensor (aliexpress) that is connected with a optocoupler (also aliexpress)

link for the sensor

https://nl.aliexpress.com/item/capacitive-proximity-sensor-LJC18A3-B-Z-BX-18mm-diameter-10mm-detective-distance-DC6-36V-3-wires/955333325.html?spm=a2g0s.9042311.0.0.27424c4dZA7H81


link for the optocoupler

https://nl.aliexpress.com/item/12-v-1-Kanaal-Optocoupler-Isolatie-Module-Ge-soleerde-Board-Houder-Rail-PLC-Processors-80-khz/32848776591.html?spm=a2g0s.9042311.0.0.27424c4dfLFg3I


Thx to dpetsel for the files

https://www.thingiverse.com/thing:2759439/files