A video explaining the CNCL setup spindle task.
The complete CNCL manual playlist: https://www.youtube.com/playlist?list=PLcgBbexLAmrJJFr0Q6b7CPciVh0lUldoF
Chapters:
00:00 Introduction
01:10 Setup Grbl
02:05 Setup spindle
06:06 Spindle calibration
10:32 Facing using spindle speed control and feed rate slider
11:53 Facing using surface speed control and feed rate setpoint
12:46 Facing using constant surface speed and feed per revolution setpoint
14:21 Connecting the controller to the lathe spindle speed controller
15:17 Connecting using a CNC controlled knob