enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Motion detector - Wikipedia

   en.wikipedia.org/wiki/Motion_detector

   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. They form a vital component of security, automated lighting control, home control, energy efficiency ...

3. 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. PIR sensors detect general movement, but do not give ...

4. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   The term lighting control system refers to an intelligent networked system of devices related to lighting control. These devices may include relays, occupancy sensors, photocells, light control switches or touchscreens, and signals from other building systems (such as fire alarm or HVAC). Adjustment of the system occurs both at device locations ...

5. Automatic door - Wikipedia

   en.wikipedia.org/wiki/Automatic_door

   Automatic door. A pair of automatic doors. An automatic door, also known as an auto door, is a door that opens automatically, without the need for human intervention or usually upon sensing the approach of a person. A person can be detected by microwave pulses, infrared sensors, or pressure-sensing pads. [1]

6. 30+ of the best Walmart deals under $50 to shop right now - AOL

   www.aol.com/lifestyle/best-walmart-deals-under...

   Brittany Nims. July 10, 2024 at 10:05 AM. 30+ of the best Walmart deals under $50 to shop right now. No, it's not Black Friday — but it might as well be. If you haven't heard, Walmart is ...

7. Principles of motion sensing - Wikipedia

   en.wikipedia.org/wiki/Principles_of_Motion_Sensing

   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. While there are other kinds of motion detector ...