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I'm not 100% sure what you are asking, but Grbl is 3-axis only at this time. It will support a 4th motor as a rotary or dual gantry fairly soon....
Belt-drive is commonly used on hobby machines, because the timing belts are designed to have no backlash. If your machine is lightly loaded (not...
A few months ago, I spent a week or two testing out different GUIs that will run on the Raspberry Pi (RPi). These included: Universal Gcode Sender...
[ATTACH] Hello Open Builds Community! I'm the lead developer of the Grbl CNC project, which is the firmware that runs most of the...
Grbl v0.9 has updated its g-code parser to be more strictly compliant to the g-code standard. Feedrate is technically undefined after a reset....
This post is pretty old, but FWIW, Grbl has fixed this problem in v0.9. It's now standardized to mean XYZ axes for bits 0, 1, and 2. The reason...
