A full-bridge converter provides an efficient solution for isolated power conversion (Figure 1). Within this topology, the choice of control method will affect the overall performance of the converter ...

Hot weather is a major threat to health, and this summer is on track to be even hotter than usual. Air conditioning is a lifesaver in these conditions, but a much older technology could protect your ...

The fireground is dangerous and can be unforgiving to crews that don’t perform safely and correctly. It isn’t a place to show up unrehearsed. As the basics of vertical ventilation were realized and ...

Most of us had never given much thought to what a ventilator does before the COVID-19 pandemic. Or maybe you’d only encountered that uncomfortable feeling of having a tube down your throat during ...

As the coronavirus spreads, the collapse of the project helps explain America’s acute shortage. By Nicholas Kulish Sarah Kliff and Jessica Silver-Greenberg Thirteen years ago, a group of U.S. public ...

Ventec Life Systems CEO Chris Kiple claims his company could ramp up ventilator production fivefold if needed for coronavirus. NPR's Mary Louise Kelly asks him how — and if hospital staff are ready.

The LM317T from National Semiconductor is a popular adjustable-voltage regulator that provides output voltages of 1.25 to 37V with maximum 1.5A current. You can adjust the output voltage with a ...

Patrick Gallagher has a decade of experience testing products from kitchen appliances to home security essentials, focusing on what matters most. The best fan heaters are light, portable and easy to ...

This project contains everything necessary to build an Arduino shield that reads the seat controls and drives the seat motors and ventilation fans. I built a simracing rig, and I discovered that used ...