Each LED sensor exhibits different dynamic range, linearity, and sensitivity, which can be changed by altering the LED/detector angle. The sensors can readily measure dye concentrations several times ...

This product is featured in EDN’s Hot 100 products of 2018. See all 100 here. Lighting in commercial facilities can be very costly. There has been an ever-growing demand to lower costs by switching ...

More and more people are tracking their physical fitness with the aid of wearable gadgets and appropriate apps. Optical sensors are suitable for measuring pulse rates and oxygen saturation in blood.

While addressable LED strips are all the rage, [Mike] from [mikeselectricstuff] has been working on an installation using the more basic two-wire strips that are simply controlled via PWM dimming.

Vadzo Imaging introduces an OEM engineering program that combines precision configured NIR LED array boards with a portfolio ...

This is a story about a successful system that nevertheless failed to make the cut. An experimental LED brightness adjustment is something [Mitxela] explored in a project for a high-precision clock; ...

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Oil and gas production and work in confined spaces exposes field personnel to a variety of toxic and explosive gases in everyday drilling, processing, transport, and municipal operations. Explosive ...

Leddar, short for LED Detection and Ranging, is a new type of detection and ranging sensor that uses LEDs to detect objects and determine their distance. While the Leddar is low resolution, it is also ...

The Korea Research Institute of Standards and Science (KRISS, President Lee Ho Seong) has developed a next-generation gas sensor technology that uses low-cost and safe LED light to precisely ...

General Electric Co. is working with the developer of the ShotSpotter technology that can be used to quickly pinpoint gunshot violence — including potential terrorism — in cities. Advertisement ...