In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it uses rgb LEDs that are controlled by an Arduino-based microcontroller that ...

wire copper ring - Tutorials super simple ring With simple steps and simple tools you can do it yourself. Can be replaced with silver wire or gold wire and gemstones for jewelry more valuable Or ...

Building a clock of some sorts seems to be a time honored tradition for hackers and LED clocks seem one of the most popular. You can build anything from a seven-segment display to a binary clock or ...

Sometimes you’re looking for a component for a project that you know should exist, but you just cannot find it. Something like a 14-segment LED display, but not just one with a fixed color, ...

The company’s partnership with Flock is under new scrutiny amid concerns over who can access users’ footage. The company’s partnership with Flock is under new scrutiny amid concerns over who can ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

Despite my excitement for all things gadgety, I was never quite taken with Finland-based Oura's previous activity-tracking rings. As a longtime Apple Watch wearer, the idea of paying a premium for a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ayanna Redwood-Crawford Ayanna Redwood-Crawford is a writer covering beauty ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The Oura ring versus ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the top smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

More discreet than a fitness tracker or smartwatch, the top smart rings we've tested can track your activity and sleep from an unobtrusive spot on your finger. I’m PCMag’s senior writer covering smart ...