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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. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   A complete sensor consists of a motion detector, an electronic control unit, and a controllable switch/relay. The detector senses motion and determines whether there are occupants in the space. [9] It also has a timer that signals the electronic control unit after a set period of inactivity.

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. This easy-to-use lightbulb camera is a quick way to add ... - AOL

   www.aol.com/lifestyle/lightbuld-security-camera...

   Thanks to its Starlight sensor, it can display colors at night even with minimal light. The LaView Bulb Security Camera also has a wide field of view of 355 degrees and can catch motion up to 17 ...

6. 55 Cool Tech Gadgets Our Gear Editors Loved Testing This Year

   www.aol.com/lifestyle/40-wildly-innovative-tech...

   LED Under Bed Lights Motion Sensor. ... It’s an outdoor-centric projector with an eye-popping 1,000-lumen bulb, 1080p capability, and 150-inch capability.

7. Principles of motion sensing - Wikipedia

   en.wikipedia.org/wiki/Principles_of_Motion_Sensing

   They can be used to provide limited motion sensing functionality. For example, a device with an accelerometer can detect rotation from vertical to horizontal state in a fixed location. As a result, accelerometers are primarily used for simple motion sensing applications in consumer devices such as changing the screen of a mobile device from ...