Nktronics DVD Stepper Motor Board 2 Phase 4 Wire for Making Mini CNC Pen Engraver and Laser Engraver

Description

• dvd stepper motor control board 2 phase 4 wire x2
• can be used for making mini pen engraver machine,3d printer and laser engraver
• can be driven thought a4988 and l293d also
• recovered from dvd roms