"READY. The new Arduino CNC shield V4 engraving machine Suite
.The extension board can be used for carving machine, 3D printer driver expansion board, a total of 3 way of stepping motor driver module slot, can not into the motor drive 3 road, and every step motor all the way only need two IO mouth, that is to say, 6 IO mouth can be very good management three stepper motor, use rise very convenient
.CNC shield V4 engraving machine expansion board
.3D printer A4988 driver board
.Note: Nano and A4988 driver module do not inserted in the wrong direction, otherwise it will damage your hardware!