If you’ve worked on a project with small LEDs, you know the frustration of determining their polarity. This ingenious LED Probe from [David] packs a lot of useful features into a simple, ...

Light Emitting Diode (LED) lighting has been gaining popularity in the wheeling world. Although still fairly expensive when compared to other technologies, LEDs offer a host of benefits that make them ...

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

What do you get for the geek who has everything and likes LEDs? A tricked-out LED tester, naturally. [Dave Cook]’s deluxe model sports an LCD screen and two adjustable values: desired current and ...