You will find what you want in Sports & Outdoors, Home & Kitchen, Beauty, Clothing, Health & Household, Tools & Improvement, Automotive Parts etc. Description: - The extension board can be used for carving machine, 3 d printer driver expansion board - A total of 4 way of stepping motor driver module slot, can not into the motor drive 4 road, and every step motor all the way only need two IO mouth, that is to say, 6 IO mouth can be very good management three stepper motor, use rise very convenient - Body Size : 68 x 53 x 18mm/2.7" x 2.1" x 0.7"(L*W*T) - Material : Plastic, Electronic Part Package Includes: 1x CNC A4988 Driver Expansion Board(Non-) 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.

Package Includes: 1x CNC A4988 Driver Expansion Board(Non-). Material : Plastic, Electronic Part. Body Size : 68 x 53 x 18mm/2.7" x 2.1" x 0.7"(L*W*T). A total of 4 way of stepping motor driver module slot, can not into the motor drive 4 road, and every step motor all the way only need two IO mouth, that is to say, 6 IO mouth can be very good management three stepper motor, use rise very convenient. The extension board can be used for carving machine, 3 d printer driver expansion board.