Reader Shawn wrote in with this power pickle: I have a Dell Studio Laptop. When I turn off my computer, the power-button light stays on and blinks. The only way I can stop it from blinking is to ...

MSI motherboards use light-emitting diodes to report the status of the computer. Most computers have an LED for the power and an LED for the hard drive. If the PC is turned on, the power LED glows ...

This project is a simple universal Power LED Driver. The Power LED can be controlled by the built-in PWM signal generator or driven from an external drive signal depending on how the hardware is ...

San Jose, Calif. — Philips Lumileds has announced the availability of LUXEON Rebel power LEDs with a new packaging technology that significantly reduces the size of the LED and enables new approaches ...

As the cost of energy continues to rise, significant attention is being paid to using more efficient and more cost-effective lighting sources. A major application is large-area lighting, using ...