Jopto CNC V3 Engraving Machine Expansion Board 3D Printer Expansion Board A4988 Driver Board, V3 Engraver Shield 3D Printer CNC Expansion Board A4988 Driver Board Compatible with Arduino

• Model: CNC V3 Engraving Machine Expansion Board; Size: 68 × 53 mm
• Totally 4 stepper motor drive module slot, can drive four A4988 stepper motor.
• Each road stepper motors only need two IO ports.
• This expansion board as a driver expansion board, can be used for engraving machines, 3D printers.
• It is very convenient to use, bid farewell to the cumbersome operation of traditional stepper motors.

Feature: This expansion board as a driver expansion board, can be used for engraving machines, 3D printers. It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors. Very convenient to use. (Note: This expansion board not include A4988 stepper motor drive module) Note: When inserting the A4988 module, must be careful not to insert opposite. Stepper motor wiring as follows: 2A, 2B is a group (red, green), 1A, 1B is a group (blue, yellow), if want to change direction, can be change the position of one group , for example 2A, 2B mutually exchanged. Specification: Model: CNC V3 Engraving Machine Expansion Board Size: 68 × 53 mm Weight: 31.6 g Package Content: 1 × V3 Engraving Machine Expansion Board