LED bulbs are more efficient than older incandescent or fluorescent bulbs, and can save you significant money. But why do they sometimes glow when turned off?

LED Circuit Diagram – LED strobe has independent delay and duration High-brightness LEDs, with independent delay and duration, find use in a visual-inspection application. This circuit is not complex, ...

It's a simple string of miniature light bulbs, with some wiring inside that connects everything together. But how does it all come together?

Guest columnist Faraz Hasan, marketing and business development manager at Tyco Electronics Circuit Protection Products says that LEDs can require overcurrent protection despite built-in safety ...