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2. Motion detector - Wikipedia

   en.wikipedia.org/wiki/Motion_detector

   A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

3. Principles of motion sensing - Wikipedia

   en.wikipedia.org/wiki/Principles_of_Motion_Sensing

   Sensors able to detect three-dimensional motion have been commercially available for several decades and have been used in automobiles, aircraft and ships. However, initial size, power consumption and price had prevented their mass adoption in consumer electronics.

4. Passive infrared sensor - Wikipedia

   en.wikipedia.org/wiki/Passive_infrared_sensor

   A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.

5. List of sensors - Wikipedia

   en.wikipedia.org/wiki/List_of_sensors

   Motion detector; Occupancy sensor; Proximity sensor; ... Speed sensors are machines used to detect the speed of an object, usually a transport vehicle. They include:

6. Motion controller - Wikipedia

   en.wikipedia.org/wiki/Motion_controller

   In computing, a motion controller is a type of input device that uses accelerometers, gyroscopes, cameras, or other sensors to track motion. Motion controllers see use as game controllers , for virtual reality and other simulation purposes, and as pointing devices for smart TVs and Personal computers .

7. Mmwave sensing - Wikipedia

   en.wikipedia.org/wiki/Mmwave_sensing

   Millimeter wave (mmWave) sensing is a non-contact system of using mmWave radar sensors to measure movement, acceleration, and angles as small as a fraction of a millimeter. [1] This system requires a mmWave radar sensor to transmit and receive pulses of millimeter electromagnetic wave energy, detecting targets and motion from the reflections it ...