All items tagged with Circuit and LED (33)

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...

1-07-2010 | Here’s a dimmer that, besides being touch-controlled, also has a setting memory that enables it, for example, to turn the lighting on at the...

1-07-2010 | The LED bicycle light that we described in the July/August 2009 edition of Elektor has proved very popular. The author was particularly stru...

1-07-2010 | Until recently, the Philips SAA1064 LED driver IC has been a sort of unofficial standard for driving seven-segment LED displays. It can be u...

1-05-2007 | Although the acronym ‘LED’ has stood for ‘light-emitting diode’ since the 1960’s, LEDs have only recently started to emit significant amount...

1-07-1999 | Accurate measurements that are not affected by ambient temperature may be taken when the part or circuit being tested is placed in an oven...

1-06-1998 | The circuit presented in this article enables you to build a software-controlled 8-channel analogue switching unit that will be hard to be...

1-10-1997 | The circuit described in this article is eminently suitable for those who appreciate comfort as well as sound quality. In the circuit...