CNC SHIELD V4 CONTROLLER BOARD FOR NANO
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CNC SHIELD V4 CONTROLLER BOARD FOR NANO
This expansion board is used as a drive expansion board for engraving machines and 3D printers. It has four slots and can drive four A4988 stepper motors. Each stepper motor requires only two IO ports. In otherwords, six IO ports can manage three stepper motors very well. It is very convenient to use. UNO Arduino’s introduction to IO module port correspondence.
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