If you’re working with 3.3V or 5V circuits, it’s easy for you to throw on a power or status LED here or there. [Tom Gralewicz] has found himself in a pickle, though, often working on projects with ...

The light-emitting diode indicators, positioned just below your HP laptop monitor, report the status of the computer and its hardware. The LEDs can be useful for determining at a glance whether the ...

The subject of the little LED indicator light on HTC Windows Phones has cropped up in a few of the WPCentral Forums discussions. Some are pleasantly surprised at seeing the little indicator, some are ...

Computer monitors often include one or more LED indicator lights that show these devices' operating status. Monitor manufacturers can build a set of signals -- made up of sequences of LED flashes and ...

In the olden days of disposable batteries, there wasn't much in the way of efficient power regulation. You just used the batteries until they stopped giving power, and then you chucked them in the ...

Here's something you shouldn't buy for your kids: Bicygnals. They're lights and turn-signals for a bike, and they'll probably be all but useless. The Bicygnals consist of a pair of lights, one for the ...

We earn commissions from purchases you make using links in our articles. Learn more. Nothing adds road presence like a set of high-quality side marker lights. Marker lights make it easier for other ...

Do you keep any electronics in your bedroom? All the experts say you aren’t supposed to. But my bedroom often doubles as my office, and that means lots of electronics with distracting LED status ...