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Servomechanism, or servo, a device used to provide control of a desired operation through the use of feedback •
AI servo ("artificial intelligence servo"), an autofocus mode in Canon SLR cameras, and in other brands such as Nikon, Sony, and Pentax under the name "continuous focus" (AF-C) •
Electrohydraulic servo valve, an electrically operated valve that controls how hydraulic fluid is ported to an actuator •
Servo drive, a special electronic amplifier used to power electric servomechanisms •
Servomotor, a rotary actuator that allows for precise control of angular position •
Servo (radio control), a small, cheap, mass-produced actuator used for radio control and small robotics •
Servo bandwidth, the maximum trackable sinusoidal frequency of an amplitude •
Servo control, the use of pulse width modulation to remotely control servos •
Servo tab, a small hinged device installed on an aircraft control surface to assist the movement of the control surface ==Media==