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 ...

Window alarm sensors are an essential part of home security systems, alerting you to unauthorized entries by monitoring window openings, glass breaks and motion. Each window alarm sensor type serves a ...

Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.

Explore how smartphone sensors and fusion use the accelerometer, gyro, GPS, and camera to power smoother navigation, motion tracking, and camera‑powered apps in everyday life. Pixabay, JESHOOTS-com ...

The types of magnetic sensors that are currently available. How the magnetic sensors work. Applications for the different magnetic sensors. Position sensors enable a variety of functions and controls ...

The image sensor is arguably the most important component in a digital video or still camera. But these sensors are also notoriously non-standardized. They tend to differ in the schemes used for: ...

Jon Gilbert is a Features Writer for Android Police. I've covered Android since 2021, focusing on writing features and guides about Android apps and features that directly affect users. I've attended ...