Discover the fascinating process behind building a mechanical 7-segment display entirely from cardboard and simple household materials. Follow step-by-step as the creator designs, cuts, and assembles ...

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, ...

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 ...

Although generally iPads tend to keep their resale value, there are a few exceptions, such as when you find yourself burdened ...

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 than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Whether you're a traveling exec, a gamer, or a graphic designer, a portable second monitor can add an extra dimension to your work or play. We've tested most of the major models. Check out our top ...

I test TVs for a living, and year after year, Samsung is one of the most reliable brands I review. The company offers TVs across just about every budget, screen size, and display type. Of course, not ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products.