First aluminum fail, figuring out why

[neilferreri (Neil Ferreri Ω)]

@brrian

Are there any hacks or creative workarounds for that?

Send the probing commands through the MDI.

Probing 101 - The Basics

Hey everyone, I’ve recently noticed a bunch of posts related to probing, so I thought I’d help clear up some things for those that do’t know yet. By default, GRBL’s probing functionality is no different from any simple switch. A successful probe occurs on the closing of a simple circuit. In most use cases here, that circuit is closed when an endmill (ground) makes contact with a probe block (probe pin - A5). The actual probing motion is initiated with a simple Gcode command. The most commo…

Or use a different sender.