Schematics / Lighting and LEDs
White LED Flashlight
I took my car to a mechanic recently and while inspecting the seal around the oil pan, he pulled out a small penlight that put out what appeared to be "white" light. When he showed it to me I realized the light was coming from a single, white LED....
Lighting Controller
The triac lighting-control circuit is small and inexpensive because load and housekeeping power come directly from the line voltage, thereby eliminating bulky, expensive supplies....
High Power White LED Driver
This circuit combines a step-up power supply IC from MAXIM with a high power LED from Lumileds to produce a very bright source of white light....