Abstract: Passive infrared sensors (PIR) are low power and cost effective devices for motion detection. In this paper we propose a realistic mathematical model for calculation of PIR signal for ...
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These best-selling solar lights will transform your home’s exterior—and they’re less than $5 apiece right now
Affordable, energy-efficient, and simple to install, these small yet powerful lights are ideal for lighting sidewalks, stairs, or other entry points to your home. This set includes six individual ...
Abstract: During war fields and natural disasters like earthquakes, rescue crews struggle to find victims due to people being buried under debris, stuck in inaccessible locations, or unseen by rescue ...
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