Instead of simply replacing the outdated bulb, we decided to build a small dark detecting circuit with 2 yellow LEDs based on this Evil Mad Scientist Laboratories design. After successfully ...

The patented topology of FL7732 enables the most simplified circuit design, especially for LED lighting applications ... by auxiliary winding and resistive divider connected to VS pin. When output ...

Castle Wonderland had one of the first fully-dimmable LED-lit rooms anywhere, when, in 2011, I made up 11 luminaires, each with an early 3W Cree led, and ...