4PCS CNC Shield V4 Engraving Machine 3D Printer A4988 Driver Expansion Board Mercedes-Benz Car Key Cover Size :M5x16mm

Size :M5x16mm

For 2011 Sea Doo GTX 215

Automatic short circuit protection

Yamaha FZ1 (USA)2001-2005

Reliable protection of important motorcycle parts

4PCS CNC Shield V4 Engraving Machine 3D Printer A4988 Driver Expansion Board Mercedes-Benz Car Key Cover Size :M5x16mm100% Brand New and High Quality. Shape Colour: Same as the picture show Description: 3D printer stepper motor driver CNC shield V4 needs to work with Nano board. It can be used as driver expansion board for engraving machines and 3D printers. It has in total 3 channel slots for A4988 stepper motor driver modules (not included) for driving 3 channel of stepper motors. Each channel of stepper motor only needs 2 IO ports, which means 6 IO ports is