The Philips Hue Lightstrip Plus makes for a great and easy way to add accent lighting to kitchen counters, stairways, and other indoor areas, but the failure of an initial test unit gives us pause.

From gamers to DIYer looking to brighten up a walk-in closet, LED strip lights are an inexpensive, easy way to liven up—or generally improve—spaces where you spend a lot of time. There are smart ...