A4988 Stepper Motor Driver Expansion Board

Description of A4988 Stepper Motor Driver Expansion Board If DP Switch is hit the position of ON, that means 16 segment (4988) or 32 segment (8825) moto is connected. Connect 5V and 9V power supply for driver and motor power. E, D, S, GND respectively corresponding to the connection of the Enable/Dir/Step/GND drive signal output.   Notice: Pay attention to when installation direction, otherwise it may burn drive even the mainboard.   Package Included: 1 x A4988 Stepper Motor Driver Control Extension Boards