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, ...

You know that Galaxy S8 or S9 that's been sitting in your junk drawer for the past two years? The one you keep forgetting to trade in for credit toward shiny new toys like the Samsung Galaxy Z Flip 7?

Ever wondered why your phone's display turns off when you're on a call or bring it close to your face? That's the proximity sensor detecting if you are using the earpiece to talk, thus turning off the ...

Yasmine Crossland is an experienced technology journalist who has covered everything from smartphones and tablets to true wireless earbuds and soundbars. She has written for titles such as Pocket-Lint ...