This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already ...

Using a single microcontroller port to drive a multi-digit LED display to help engineers with those last-minute design ...

This week, Hackaday’s Elliot Williams and Kristina Panos met up over coffee to bring you the latest news, mystery sound ...

Researchers at Nanjing University have developed a novel helium-detecting device, drawing inspiration from the traditional Japanese bamboo weaving technique, "Kagome-biki." Their findings were ...

Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances. Not only can we not see or smell it, but traditional gas sensors have ...

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Nothing ruins a fun movie night at home faster than muffled dialogue and wimpy bass. Even high-end TVs tend to offer mediocre audio quality with tiny built-in speakers that lack oomph. The good news?

Whether you want a rugged, take-anywhere speaker for the beach or the centerpiece for a multiroom sound system, these are the top Bluetooth and Wi-Fi speakers we've reviewed. I’m PCMag’s home theater ...

China’s microelectromechanical systems (MEMS) sensor industry is surging, but technical gaps, fragmented production and coordination challenges hinder its full potential. As global demand accelerates, ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...