Autonomous cars are just now barely starting to end up on our roads, in limited numbers and in limited ways. For now. We're in an interesting transitional period, and there's still lots of things we ...

Amazon's Echo speakers are available in all sorts of shapes, sizes, and designs. One commonality on all Echo speakers, however, is an LED indicator light. Often, the light appears as a yellow ring, ...

You’ve got an apparently simple design requirement on your latest AC-line powered project: provide a distinctly illuminated indicator to show that the unit is plugged into the line and that power is ...