Grove LED Bar is comprised of a 10 segment LED gauge bar and an MY9221 LED driver. It can be used as a indicator for remaining battery life, voltage, water level, music volume or other values that ...

Abstract: This paper presents a modular topology for the design of a luminaire for street lighting based on LEDs. Each module consists of a driver which is composed by two integrated DC-DC converters.

Juice bars. Wine bars. Coffee bars. And now ... oxygen bars? Yep, popping up all over the U.S. (as well as in Canada and Japan, where the craze is thought to have begun because of the serious air ...