Driver board--pwm spindle and direction pin 4- support runs on 12-36v dc, 3D Printer CNC Drive; Engraver --over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection, 3D Printer CNC Drive; Stepper motor wiring as follows: 2a, 2b is a group (red, green), 1a, 1b is a group (blue, yellow), a4988 driver board, 3D Printer CNC Drive; 3d printer cnc drive--a4988 engraver 3d printer cnc drive expansion board, A4988 Driver Board; Expansion board--synchronous rectification for low power dissipationcrossover-current protection, 3D Printer CNC Drive
What's in the box
2 x 3D Printer Accessories
