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CNC Shield Expansion Board A4988 Driver For Arduino
Descriptions:
The expansion board can be used as engraving machines, 3D printers driven expansion board. It has four slots, can drive four A4988 stepper motor. Each road stepper only need two IO ports. In other words, 6 IO port can be well managed three stepper motors. It is very convenient to use.
Notes:
When inserting the A4988 module, must be careful not to insert opposite.
Stepper motor wiring as follows:
2A, 2B is a group(red, green), 1A, 1B is a group(blue, yellow), if want to change direction, can be change the position of one group, for example, 2A, 2B mutually exchanged.
Package included:
1 x CNC Shield Expansion Board
