Automatic Soap Dispensers designed for use with liquid soap are now widely available, and you may well know that the hands free operation reduces the spread of germs. How about building one your own?

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

Non-dispersive infrared (NDIR) sensors are increasingly being used in multi-sensor instruments to measure LEL combustible gas. While they offer a number of significant advantages, NDIR sensors also ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...

They may not realize their car already knows when rain starts and can wipe the […] ...

Researchers at Ben-Gurion University of the Negev say they have developed low-cost infrared sensors that can be used to create the world’s thinnest night-vision glasses as well as revolutionize ...