CNC, Motor Driver Set, Compatible with 3D Printer for Engraving Machine, Stepper Motor Driver with Heat Sinks for - ShopVlot

[Multi-Wave Holder] Features PWM spindle and directional pin, with 4 axis holder (x, y, z, a), allows custom firmware configurations. [Compatible Step Driver] Use a detachable compatible step driver A4988 or drv8825 for versatile options. Grbl 0.8 compatible: Works perfectly with the open-source firmware grbl 0.8 and effortlessly converts G-code commands into precise step signals. Versatile use: the expansion card is suitable for both engraving machines and 3D printers and gives your projects ef