Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...
If you need to measure a distance, it is tempting to reach for the ubiquitous ultrasonic module like an HC-SR04. These work well, and they are reasonably easy to use. However, they aren’t without ...
No matter how they’re used, all Internet of Things (IoT) devices have one thing in common: sensors. Whether they’re sensing the wearer’s heart rate, or the proximity of the car ahead or the viscosity ...
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