If you're looking for a presence sensor to help you build up your smart home, the new Aqara FP300 is an especially capable ...

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 ...

Abstract: During war fields and natural disasters like earthquakes, rescue crews struggle to find victims due to people being buried under debris, stuck in inaccessible locations, or unseen by rescue ...

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