Finally, the long-awaited Shapeoko Touch Probe is available.
The Touch Probe allows you to quickly find zero your machine to the top of your cutting stock, or to find the corner.
Instructions for the Touch Probe can be found here .
The Touch Probe is only supported in Carbide Motion 4 and GRBL 1.1 so you'll need to upgrade prior to ordering. This is only a software and firmware change, no new hardware is required. More information can be found here.