CNC Shield V3 Engraving Machine

CNC Shield V3 Engraving Machine

UNO and Module IO Correspondence between the
introduction port

The basic needs of the stepper motor control other pins are in the engraving machine, or
3D Wen the printer was used, here we do not make Detailed, IO It corresponds to the
below figure.

UNO for Arduino module IO port correspondence introduction.

UNO for Arduino———————- expansion board

8 ———————— EN ( stepper motor driver enable, active low )

7 ———————– Z.DIR (Z-axis direction control )

6 ———————– Y.DIR (Y-axis direction control )

5 ———————– X.DIR (X-axis direction control )

4 ———————- Z.STEP (Z-axis stepper control )

3 ———————- Y.STEP (Y-axis stepper control )

2 ———————- X.STEP (X-axis stepper control )