LED lightbulbs are more energy-efficient than standard bulbs, but that doesn't mean they work perfectly all of the time. Here ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

Terahertz wireless has long sounded like the next big leap; fast enough to move huge amounts of data with less delay. Yet the ...

At first glance, [RobBest]’s constant current source looks old school. The box is somewhat old-fashioned, featuring switches and binding posts. Most importantly, there’s a large analog meter ...

An improved stepper motor driver IC, which offers 50% lower on-resistance, lets engineers increase the power rating of their designs while reducing waste heat. The TB67S559FTG 50-V/3.0-A stepper motor ...

The boost converter feeding a constant power load (CPL) is a non-minimum phase system that is prone to the destabilizing effects of the negative incremental resistance of the CPL and presents a major ...

Using pulse current charging, or a constant current divided with a few short breaks, lithium-ion batteries hold up better over hundreds of charging cycles and can last twice as long. When you purchase ...

1 CSG PGC Power Storage Research Institute, Guangzhou, China 2 State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan, China The calculation ...