The Aqara FP300 is a battery-powered presence sensor with Thread and mmWave radar, giving HomeKit precise motion and ...

Home fires kill hundreds of people and do many millions worth of damage each year, but this simple $99 device can detect ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

There are a lot of options for local weather stations; most of them, however, are sensors tied to a base station, often requiring an internet connection to access all features. [Vinnie] over at ...