![]() ![]() The stepPin generates pulses to move the motor in discrete steps. This Arduino sketch controls the bipolar stepper motor by setting the direction (clockwise or counterclockwise) using the dirPin. Define pin connections & motor's steps per revolutionįor(int x = 0 x < stepsPerRevolution x++) It serves as a foundation for practical experiments and projects. The code snippet below demonstrates how to control the speed and spinning direction of a bipolar stepper motor using the A4988 stepper motor driver. Properly managing the output pins ensures smooth and efficient operation of the stepper motor arduino with the A4988 stepper driver.Ĭontrolling Bipolar Stepper Motor with A4988 Driver – Code Without Library However, the actual current supplied to the motor is determined by factors such as the power supply voltage, cooling system, and current limiting settings of the driver. It’s important to note that each output pin can supply up to 2A of current to the motor. This allows for accurate and reliable positioning, making it suitable for various applications such as CNC machines, 3D printers, and robotics, where precise motor control is essential. Together with pin 2A, it controls the motor’s position and rotation.īy providing the appropriate current to these output pins in a specific sequence, the A4988 motor driver can precisely control the movement of the bipolar stepper motor.
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