What is the advantage of using a stepper motor compared to other types?

The advantage of using a stepper motor comes from its ability to provide more precise position control compared to other types of motors. Stepper motors operate by dividing a full rotation into a large number of steps, allowing for very fine incremental movements. This characteristic is especially useful in applications where accurate positioning is critical, such as in robotics, CNC machinery, and various automation tasks.

The precision is achieved because each step corresponds to a specific angle of rotation, and the motor can be controlled to move a set number of steps to reach a desired position. This capability allows for repeatable and accurate positioning without the need for feedback systems, although closed-loop systems can be implemented for even greater precision.

While other factors, such as speed capability or cost, might be advantageous in certain applications, the unmatched precision in control is what primarily sets stepper motors apart from other types. This enables their widespread use in applications requiring high levels of accuracy.