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A driveway alarm is a device that is designed to detect people or vehicles entering a property via the driveway. A driveway alarm system is often integrated as a component of a system which automatically performs a task or alerts home owners of an unexpected intruder or visitor. Driveway alarms can be a vital component of security, automated ...
Driveway alarm systems can be combined with most security and automation systems. They are designed to alert residents to unexpected visitors, intruders, or deliveries arriving at the property. Types of driveway sensors include magnetic and infrared motion sensors. Driveway alarms can be found in both hard-wired and wireless systems.
Solar road stud. Solar road studs are flashing solar cell powered LED low-maintenance lighting devices that delineate road edges and centrelines. Embedded in the road surface, they are an electronic improvement on the traditional cat's eyes [1] and raised pavement marker in that they may give drivers a larger reaction window.
Solar Roadways Incorporated is an American company based in Sandpoint, Idaho, aiming to develop solar-powered road panels to form a smart highway.Their proof-of-concept technology is a hexagonal road panel that has a glass driving surface with underlying solar cells, electronics, and sensors to act as a part of solar array with programmable capability.
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APX Alarm Security Solutions rebranded as Vivint in February 2011. [4] [6] Vivint was acquired by The Blackstone Group in November 2012. [7] The company launched Vivint Solar, a solar energy company, in 2011. [8] Vivint Solar went public in October 2014 and was later purchased by Sunrun. [9] [10]
PIR sensors are commonly used in security alarms and automatic lighting applications. PIR sensors detect general movement, but do not give information on who or what moved. For that purpose, an imaging IR sensor is required. PIR sensors are commonly called simply "PIR", or sometimes "PID", for "passive infrared detector".
Solar power in Colorado has grown rapidly, partly because of one of the most favorable net metering laws in the country, with no limit on the number of users. [ 1 ] [ 2 ] The state was the first in the nation to establish a Renewable Portfolio Standard for its electric utilities .
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