Using a single microcontroller port to drive a multi-digit LED display to help engineers with those last-minute design ...

Abstract: This brief presents a new LED control scheme to maintain a constant LED power. In LED control schemes, the conventional approach is to maintain a constant LED current. However, this ...

Abstract: Conventional energy sources have been declining rapidly and the consumption of renewable energy sources have increased in recent times. Due to rapid increase in Light Emitting Diode (LED) ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...

NEW DELHI: Nearly half of the sanctioned positions on pollution control boards and committees across the country remain vacant even as most major cities are reeling under the impact of air pollution, ...