.

Moreover, can servo motor rotate continuously?

A servo motor assembly does not rotate freely like a DC motor. The rotation angles are usually limited, and every servo has a "lock" position where it stays by default. Although the motor by itself is CAPABLE of running continuously, that's not how servos are meant to be used.

Likewise, how do you stop a servo? The only way to turn a servo off is: servo. detach(); For a normal DC motor, you will need to turn it on then off and then have kind of state tracking in the loop to never turn it on again, using a variable or millis() etc.

Beside above, can servo motors rotate 360?

The position of the servo motor is set by the length of a pulse. The end points of the servo can vary and many servos only turn through about 170 degrees. You can also buy 'continuous' servos that can rotate through the full 360 degrees.

Are all servo motors DC?

The short answer is: There is no single “type” of servo motor. For a DC motor, speed is directly proportional to the supply voltage, given a constant motor load. As you'll see below, both AC and DC motors can be used as servo motors.