This expandable LED display for a microcontroller in Figure 1 has a simple interface with only 6 data/control wires and can be easily accommodated to a DIY design. The display has static indication.

Businesses, municipalities, and universities from coast to coast have embraced the long-term benefits of LED lighting. However, many organizations miss out on additional benefits (e.g., energy savings ...

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, ...

LED (light-emitting diode) bulbs are longer-lasting and more energy-efficient than their incandescent counterparts. But that doesn't mean they last forever. If your LED bulbs are burning out well ...