With this circuit you can flash some LEDs for your rc airplanes or any other uav just like the real strobe navigation lights ...

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and ...

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...

Sometimes even lightbulbs need a good cleaning. Here's everything you need to know about cleaning both filament bulbs and LED ...