Is there a site that shows how to really use ob control? Im using soft limits currently. i want my home position to be top left with my z to be all the way up. how do i set this then how do i set the working zero? EX a piece of wood in the middle of my machine?
Thats less of a CONTROL question, and more a Grbl question. Read the Grbl wiki on github.com/gnea/grbl/wiki Do read the whole wiki, it's a proper treasure trove of information.