For my project, I am using the same stepper motor driver (a4983) to drive the stepper motor (3.9v, 600mA) using Arduino Uno Atmega 328h microcontroller. I believe I have made all connection properly. However my motor is not moving at all. Could you please tell me your connections in detail so I can find my mistake. I am using the same supply of 12v to run the motor. Sorry I am not very familiar with electronics.