This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Illustration by Thomas Levinson/The Daily Beast/Getty The gulf between millionaires and billionaires is vast. It is akin to ...

Abstract: This paper designs an isolated flyback light emitting diode (LED) lamp driver circuit that uses an integrated chip as the driver with high power factor and constant current characteristics ...

Abstract: In this paper, a single-stage LED driver is proposed for a street lighting system. Two boost circuits that share a single inductor are formed by integrating the switches of a half-bridge LLC ...

Scientists have developed an ingenious method to create and control ultra-confined light waves, a significant step towards realizing tiny optical circuits. This method works in two steps, like giving ...