Mini speakers, from Shanghai's Xinjie Chao Electronic and Electrical Appliances Co. Ltd, retail for about $30. They have a metal finish, great sound thanks to a subwoofer system, plus plug and play ...

The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security upgrade.

Could a cheap soil sensor help me rescue the orchid on my kitchen table that's been struggling for weeks? Common capacitive soil moisture sensors rely on the electrical properties of the materials ...

Nike's battery-powered footwear system, which propels wearers forward, is part of a broader push to help humans move farther ...

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...