Modern smartphones are way more powerful than most of us realize, and they include a whole range of sensors that tend to go unnoticed. While a lot of these sensors are used to pull off basic functions ...

I’ve been building ESP32-based smart home devices using cheap sensors for the past few months. My drawer is filled with ESP32 boards, PIR modules, temperature sensors, sound sensors, light sensors, ...

Biometric security — the ability to unlock your phone with your fingerprint or face — is an amazing feature, but you often have to turn on the phone’s screen before you can use it. That’s because many ...

In-display fingerprint sensors have become commonplace in virtually all Android smartphones, for better or for worse, and five years later we’re finally seeing the ultrasonic variety widely used by ...

Dhruv Bhutani has covered the Android ecosystem since 2010, with a focus on smartphones, connected devices, and home networking. His reporting is informed by hands-on experience reviewing hundreds of ...