LEDs form an inevitable part in the modern electronics as simple indicators to optical communication devices. Light Emitting Diodes exploit the property of the p-n junction to emit photons when it is ...

Although the price is high compared with fluorescent lamps and incandescent light bulbs, LEDs that have advantages such as long lifetime, low power consumption and difficult to get hot are ...

A classical design for directlydriving eight seven-segment LEDdisplays requires as many as 15 I/O lines.Previous Design Ideas have describedmany approaches for using a maximumnumber of LEDs with a ...

If you’ve worked on a project with small LEDs, you know the frustration of determining their polarity. This ingenious LED Probe from [David] packs a lot of useful features into a simple, ...