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The driver board that came with my original SO2 CNC is the gShield that has three drivers on it. One driver gets slaved on your X or Y axis (whichever has two stepper motors. The new BOB I got from J-Tech has four drivers: X, Y, Z, & A. The A driver can be strapped to slave from any of the other axes. Although I could use the A driver to run the second stepper on my X axis, I'm planning to use it for a rotary axis. Any other opinions on this?
Thanks, folks.
Thanks, folks.