Since the earliest versions of indoor LED light bulbs were developed, their designers have faced a variety of technical challenges. These include AC-to-DC power conversion, thermal design/heat-sinking ...

This circuit monitors a DC fuse. Its LED lights continously when the fuse is intact but blinks is the fuse is broken. The fuse monitor circuit is designed for 12 volts but can be modified for other ...

Find a downloadable version of this story in pdf format at the end of the story. Although features and functionality attract the most attention for new electronic products, whether consumer, ...