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  2. 'Bright and reliable': These motion-sensor solar security ...

    www.aol.com/lifestyle/bright-reliable-motion...

    As the nights get longer, motion sensor lights are a must-have outside any home — for security, visibility, safety from tripping and a myriad of reasons. ... The 10 best places to buy jewelry ...

  3. Is your kitchen too dark? Brighten it up with these under ...

    www.aol.com/lifestyle/motion-sensor-cabinet...

    These cabinet lights can detect motion up to 10 feet away. They have 30 LEDs that produce a warm light up to 200 lumens. It's more than enough to see by, but doesn't have that cold quality that ...

  4. 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.

  5. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically activated lighting ...

  6. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Crankshaft position sensor (CKP) Curb feeler; Defect detector; Engine coolant temperature sensor; Hall effect sensor; Wheel speed sensor; Airbag sensors; Automatic transmission speed sensor; Brake fluid pressure sensor; Camshaft position sensor (CMP) Cylinder Head Temperature gauge; Engine crankcase pressure sensor; Exhaust gas temperature ...

  7. Optical mouse - Wikipedia

    en.wikipedia.org/wiki/Optical_mouse

    An optical mouse is a computer mouse which uses a light source, typically a light-emitting diode (LED), and a light detector, such as an array of photodiodes, to detect movement relative to a surface. Variations of the optical mouse have largely replaced the older mechanical mouse design, which uses moving parts to sense motion.

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