Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED bulb. This step-by-step tutorial walks you through preparing a 3.5mm jack, ...

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.

LED bulbs are a far more cost-efficient, environmentally-friendly option than traditional incandescent bulbs. With a life expectancy of 20 years or more (25x longer than incandescent), the energy ...

LED light strips are a fun and easy way to spruce up a room, adding pops of color to a media center, a wall or even under a bed, or just bringing much-needed lighting to a dark area under a cabinet.

The quest for energy efficiency has led manufacturers to investigate ways of dimming all kinds of lighting technologies, including those that usually can’t be dimmed. Consider, for example, ...