This slideshow is based on the LEDs Design Ideas Collection, a collection of LED-related reader submitted circuits and design applications that have appeared in EDN's 'Design Ideas' section. Here you ...

With cycling safety in mind, I bought a pair of low power red LED things that replace the bungs in the end of drop handlebars. They are a neat way to get a bit of extra visibility – and to give a ...

With this circuit, you can flash some LEDs for your rc airplanes or any other uav just like the real strobe navigation lights of an airplane. Using the service provided by JLCPCB, you can order the ...

Yes, for me, it’s nostalgic to think about my favorite LED Driver LM3909 from NSC! This ubiquitous chip is very smart in that it stores up energy in a timing capacitor and then switches it in series ...

This simple 4093-based audio peak detector from December 2004 monitors music and turns on a small light when the sound gets ...

Cell Phones are Becoming the ultimate consumer all-in-one portable appliance, producing digital-still camera-quality pictures, supplying WiFi/Web access and delivering high-quality audio. As customers ...