uxcell CNC Shield 3D0020 Driver Expansion Board for Arduino 3D Printer
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This expansion board as a driver expansion board, can be used for engraving machines, 3D printers .
It is a total of four slots, can drive four 3D0020Â stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors. Very convenient to use .
