10Gtek 3D Printer A4988 CNC Expansion Shield Board Driver for Arduino V3 Engraver 3D Printer A4988 Driver Board, Pack of 2

Produktbeschreibung

This expansion board can be used as a drive expansion board for engraving machines, 3D printers, etc. There are a total of 4 slots for stepper motor drive modules. It can drive 4 channels of non-feeding motors, and each stepper motor only needs 2 IO ports. 6 IO ports can manage 3 stepper motors well, which is very convenient to use, bid farewell to the cumbersome operation of traditional stepper motors. When inserting the A4988 module, be careful not to insert it in reverse. The wiring method of the stepper motor is as follows, 2A, 2B are a group (red, green), 1A, 1B are a group (blue, yellow). If you want to change the direction, you can change the position of one of the groups, such as 2A, exchange with 2B.