Abstract: Pyroelectric infrared (PIR) sensors are much promising for device-free localization (DFL) due to their advantages of lower cost, low power consumption, and privacy protection. Most PIR-based ...

Here’s a simple tip every Texan should know—your ceiling fan might be working against you. I’ve written this story so many times I almost skipped it—until I realized my own ceiling fans were spinning ...

Abstract: Intelligent home service systems consist of ubiquitous sensors, a home network, and a context-aware computing system that together collect residential environment information and provide ...

HBO’s Rooster is still figuring out what kind of show it wants to be, and Episode 3, titled White Whale, leans more into comedy than drama. But there’s something more grounded underneath the surface.

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int led = 13; // the pin that the LED is atteched to int sensor = 2; // the pin that the sensor is atteched to int state = LOW; // by default, no motion detected int val = 0; // variable to store the ...