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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.
Occupancy sensor types include: PIR sensors, which work on heat difference detection, measuring infrared radiation.Inside the device is a pyroelectric sensor which can detect the sudden presence of objects (such as humans) who radiate a temperature different from the temperature of the background, such as the room temperature of a wall.
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.
More than 50,000 lights are located at the Charles Gabus Tree Memorial Park next to the Urbandale Public Library for the Miracle on 86th in Urbandale. More: 15 holiday shows you'll want to see in ...
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Lake Park Holiday Lights Display — Along Park Avenue from 7th St. to 10th St., in Lake Park. Each evening, the lights are on, and you can drive or walk to admire the lights in all the shops and ...
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