See,
Basically the stepper motor is an
electromechanical device which converts electrical power into mechanical power.
Also it is a brushless, synchronous electric motor that can divide a full
rotation into an expansive number of steps. The motor’s position can be
controlled accurately without any feedback mechanism, as long as the motor is
carefully sized to the application. Stepper motors are similar to switched
reluctance motors.
The stepper motor uses the theory of
operation for magnets to make the motor shaft turn a precise distance when a
pulse of electricity is provided. The stator has eight poles, and the rotor has
six poles. The rotor will require 24 pulses of electricity to move the 24 steps
to make one complete revolution. Another way to say this is that the rotor will
move precisely 15° for each pulse of electricity that the motor receives.
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