[mircemk] built a slick-looking LED tester with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will ...

This resource provides clear explanations of how switching regulators work and how voltage boosting is achieved efficiently ...

Discover the best H11 LED headlight bulbs with expert tips, bulb finder tools, and upgrade advice for brighter, safer night ...

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

In a previous article, I discussed LEDs in general and their properties. In this write-up, I want to give some examples of driving LEDs and comparing a few of the most commonly used methods. There is ...

Suppose you are getting ready to take a physics test. Everything is set—but wait! Your calculator battery died. What do you do? If you're extra crafty, you could grab an LED (light-emitting diode) and ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

It might be stating the obvious, but your car’s headlights are a safety device, and not all headlights are created equal. For a while, carmakers have been fitting powerful LED headlights to their high ...

In addition to their customary roles as indicators and illuminators, modern LEDs can also serve as photovoltaic detectors (reference 1 and reference 2). Simply connecting a red LED to a multimeter and ...