More about LED (792)

1-12-2010 | Power LEDs are getting more and more powerful. Although some can be pricey, we wanted to see for ourselves what one of these modern ‘heavywe...

1-12-2010 | LEDs are used increasingly for lighting applications. The manufacturers of LEDs outdo each other every week with announcements of ever incre...

1-11-2010 | When flying a remote controlled (RC) airplane in the dark, it helps to have different coloured lights on the wings. The use of high-intensit...

1-09-2010 | When my friend Grégory showed me a 64×32 pixel two-colour LED panel picked up from an Internet retailer for about 50 dollars, I immediately...

31-08-2010 | I love it when people get creative with recycling, and even more when that creativity leads to a practical product. The + (Plus) Conjunctive...

1-07-2010 | This circuit is a simple but high-quality preamplifier using a DS1882 digital potentiometer, a device specially designed for audio applicati...

1-07-2010 | The author ‘just wanted to do a bit of microcontroller programming’. However, the project rapidly grew into this impressive and visually att...

1-07-2010 | Chip manufacturers are always coming up with ever more sophisticated constant current driver chips for LEDs. We have included this design fo...

1-07-2010 | In some circumstances it may be necessary to select LEDs with closely matched characteristics. This design makes the job a whole lot easier....

1-07-2010 | The LM3410 IC is a constant current LED driver useful in either boost converter or SEPIC design applications. A SEPIC (Single Ended Primary...