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GRBLDuino Shield CNC Controller > The Eccentric Workshop Blog
Over the past few days I’ve been designing a Arduino Uno CNC controller shield. My requirements were pretty simple: GRBL 1.1 compatible Pin compatible with Pololu DRV8825 drivers User replaceable stepper motor drivers Screw terminals for connections E-Stop, Abort, Hold, and Resume buttons Probe connection Spindle PWM control User selectable 4th axis function (clone or …