Turning the Spindle On/Off on a Comet CNC
It’s common for people to use a low-end spindle on a Probotix Comet CNC. The LinuxCNC software can turn the spindle on and off, but not control the speed or direction.
The G-code for turning a spindle on is M3, but that command alone will not work. It needs a non-zero speed parameter. For example:
will turn the spindle on. To turn it off use M5.
As always, stay safe.
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