Description
This shield plugs directly onto an Arduino board and eliminates the need for external wiring and connections. It has four slots for stepper motor drive modules, each of which can control one stepper motor. You only need two IO pins on the Arduino to control each stepper motor. To build a DIY CNC engraving machine, simply attach this Arduino CNC Shield V3.0 to an Arduino UNO and install the GRBL firmware.
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