More about LED (794)

1-12-2001 | Thanks to their high light output and long lifetimes, a white LED is an excellent choice as a replacement for the incandescent bulb in a pen...

1-12-2001 | A flashing LED based on a 555 is not likely to win the first prize for originality, but such a circuit continues to be useful for all kinds...

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...