Besides the food and the company, lights are perhaps the best part of Christmas. Sadly, it takes a lot of time and effort to get them in place. It can be even more difficult to ensure they stay where ...

[Rick Osgood] wanted to build a color sensor that could be held up to any object to get RGB color values. He originally started with a photoresistor and a few LEDs, but couldn’t get that to work ...

Think of an item — any item — you might use in home decor. Chances are somebody now sells a version of same that comes equipped with color-changing LED lights. “Get your glow on,” suggests Pottery ...