There is a bewildering choice of water-level sensors out there - from bubblers to ultrasonic transducers - with not many comparative reviews available to make things clearer. Here is a guide to ...

How to make it We wanted our sensor to stay compact, so we used a soldering iron and sheathed wire for some of the internal circuitry.

How to make a sweat sensor for drugs Guidelines include how to deal with pesky interfering signals when making voltammetric sensors by Louisa Dalton, special to C&EN February 11, 2020 Credit: ACS ...

A camera sensor’s size affects the size of the cameras and lenses it can work with, as well as their performance.

How do you send an automated alert to a security guard whenever anyone tries to climb a fence, but ignore anyone simply leaning on said chain link? How can a sensor pick up the presence of a Jeep ...

Shopping for a camera can be confusing. Here’s how to sift through the acronyms, sensor options, and extra features to find the best one for you.

The iPad sensor from Occipital has new iOS apps that use 3D scanning to measure rooms, ship items, and even take next-gen family portraits.

Data journalism, meet sensor journalism. You two should talk. What’s sensor journalism? I’ll get to that. But first, let me tell you a story about bugs — and a pair of gadgets that sat for ...