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, ...

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 ...

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

This is a simple flashing led circuit with 2 leds and 2 NPN transistors. It illustrates the behavior of transistors and capacitors and if you use an oscilloscope it will be very easy to determine what ...