A deep blue organic light-emitting diode (OLED) developed by researchers at Science Tokyo operates on just a single 1.5 V, ...

Creative-x-Lights's 2-Port ESP32 ETH0 WLED Controller is a WLED Ethernet board supporting 5V–24V LEDs via two terminal blocks ...

When picking an LED bulb, it's best to stick with well-known, reliable brands, even if you have to pay a bit more. For smart ...

Today, your narrator is going to abuse his position to complain about a standard that should exist, but doesn’t. One of the ...

Abstract: In single-phase ac/dc light-emitting diode (LED) drivers, a reduced power processing technique is currently being used to increase conversion efficiency while reducing the size and cost of ...

In my so-far nearly 30 years of writing for EDN, I’ve learned a lot about my ever-evolving audience (i.e., you), at least two aspects of which are directly relevant to this particular writeup: Or take ...

President Donald Trump’s crackdown on crime in the nation’s capital netted dramatic early results: an historic lapse in murders and a marked fall in carjackings. But he’s not the only world leader ...

West Virginia National Guard troops have begun to arrive in Washington, DC, to assist with President Donald Trump’s crime crackdown in the nation’s capital, a defense official told CNN on Tuesday. The ...

Multiple Republican-led states are sending their own National Guard troops to the District of Columbia to bolster President Trump’s sweeping anti-crime clampdown in the nation’s capital. West Virginia ...

Members of the District of Columbia National Guard patrol in front of the White House as a woman rides past on a scooter, Saturday, Aug. 16, 2025, in Washington. (Julia Demaree Nikhinson/AP) Three ...