If you need to measure a distance, it is tempting to reach for the ubiquitous ultrasonic module like an HC-SR04. These work well, and they are reasonably easy to use. However, they aren’t without ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Many Halloween animatronics that spring to life when you least expect it rely on a clever little device called a passive ...

Anduril's new Iris AI-enabled EO/IR sensor riding atop the skin of an unidentified tactical fighter platform. The fighter was likely manned but the company says Iris is primarily intended for unmanned ...

Most consumer remote controls operate using infrared light. This works well assuming the piece of equipment has a line of sight to the remote. But if you have, say a receiver in a cabinet or closet, ...

Potentially pushing Apple further towards eliminating the notch on iPhones, sensor creator AMS has debuted new technology that can detect ambient light and human proximity from behind an OLED screen.

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