support bltouch

Описание

alfawise u20 ONE older for bltouch or 3d touch i add 2 pictures show you mounted on the u20 one Not yet connected because i must change the mother board I waiting for an SKR 1.4 turbo who integer the bltouch connection clear later i add the marlin modifications for position vs buse On the thing don't care about the rib on the left , it is for compense the X endstop to get all worked width 300 mm to use. let me know your comments an ideas to improve it, tks a lot