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 ...

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, ...

DPW is upgrading some of its circuits to be LED-compatible. Many of the city's 77,000 street lights and 10,000 alley lights are on series circuits that date back to the early 1900s.

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

Figure 1 Establishing galvanic isolation with the help of optocouplers between circuits that operate at different ground potentials looks deceptively simple. Optocouplers draw power from the isolated ...