Today's handheld instruments rival the accuracy of traditional benchtop verification and certification tools. Unlike process transmitters with accuracies in the 0.02% to 0.05% range, most analog ...

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors. The ...

The 1,1-mm thin APDS-9120 optical proximity sensor suits portable consumer electronics such as cell phones, PDAs, handheld games, and notebook PCs. It integrates a signal-conditioning IC, emitter, and ...

Over the last decade or so, we’ve been inundated with appliances with wireless or “smart” technology that is often of dubious utility. No one really needs a tablet in their refrigerator or Wi-Fi on ...

Over the past decade, electric utilities have placed increased priority on locating objects and structures that could become energized and pose a shock hazard to the public and animals. One way to ...