Using Bit zero probe cycle to find hole center

[HeuristicBishop (Tyler Sowers)]

Here is a good thread on a nomad probe. I’ve considered getting the same touch probe myself:

Vers.by touch probe and the Nomad

Good question and something I have spent a while looking at. A Shapeoko ATC is a very cool idea but really needs to be well thought out. As standard GRBL doesn’t support any kind of ATC function, there are no dedicated outputs, no stored tool offsets, no function around tool carriages. It also requires a ATC spindle of some variety, a bunch of inputs/outputs for safety and likely air or another kind of pneumatic device to drive the tool changer. All in there is a significant gap …