How much does a city save when it replaces its streetlights with LEDs? It’s a lot — today, the companies Ubicquia and RealTerm Energy reported results from six LED streetlight replacements in Maine, ...

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.

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, ...

GRAND RAPIDS, Mich. — The City of Grand Rapids is inviting residents to submit community-led project proposals through a program that awards funding through the city. The Neighborhood Match Fund (NMF) ...

The Fund for Santa Barbara’s Youth Making Change (YMC) program has announced the 2024-25 Grant Cycle with $30,000 available for youth-led projects. YMC is a year-long, youth-led grant-making program ...