The ubiquitous LED continues to expand frontiers and applications with a plethora of sizes, colors, and output lumens. Flashing LEDs that incorporate internal electronics for oscillation offer ...

Light effects have always been popular. Now that LEDs are available in all sorts of shapes, sizes and colours for reasonable prices, a whole gamut of possibilities has become feasible. Examples are ...

The flashing LED has to be one of the most loved, iconic, features when it comes to using a BlackBerry. It's been around for years and I would imagine that most BlackBerry users would feel lost ...

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 ...