More about LED (792)

1-12-2001 | It is not always necessary to use special photoresistors or phototransistors to make light-sensitive switches. Although it is not well known...

1-11-2001 | Every electronics laboratory needs a powerful regulated bench supply. In the model described here a microcontroller monitors the actual and...

1-07-2001 | It normally takes two transistors to build a blinker circuit (in order to make positive feedback possible). However, you can also use a phot...

1-07-2001 | Recent advancements in circuit integration have drastically reduced the production costs of radio-controlled clocks. These days they are not...

1-07-2001 | In recent years, the chapter ‘flashing lights’ in its many incarnations, has already received plenty of attention in Elektor Electronics. Th...

1-05-2001 | Since the very beginning, Elektor Electronics has tried to help its readers profit from new technologies by means of original and profession...

1-04-2001 | The project presented here provides a novel form of temperature display. Its appearance makes it an ideal add-on to the ‘Rhine Tower Clock’...

1-03-2001 | In the search for original running text displays that catch your eye, manufacturers keep coming up with interesting variations that combine...

1-01-2001 | This easy to construct light dimmer is controlled by a PIC controller and can handle a maximum current of 6 A. Three pushbuttons ensure extr...

1-12-2000 | The unbridled popularity of the toy animal ‘Furby’ is largely due to the clever design of the electronics in this furball, which acts like i...