More about light (490)

1-07-2008 | This controller turns on the outside lights as soon as it becomes dark and then turns the lighting off at a set time, so that the lights are...

22-05-2008 | Russia is well known for its enormous supply of fossil fuels but the Russian government, after many years of delay, is now set to stimulate...

13-03-2008 | ‘We are an example of an infrastructure company that is the result of a successful unbundling operation. But this does not necessarily mean...

1-02-2008 | The operating principle consists of measuring the average colour of an image and using colour LEDs to emit the same colour in order to ‘pain...

1-02-2008 | A while ago the author saw a demonstration of a Philips television system equipped with the Ambilight system. This lights up the background...

1-02-2008 | High-brightness LEDs are being used more and more widely in lighting applications. Here we present a simple ‘mood light’ using just a few co...

1-02-2008 | The availability of increasingly high-performance digital cameras and falling prices has encouraged a good many people to take an interest i...

1-02-2008 | The circuit described here, called ‘LEDBUS’ allows a practically unlimited number of LEDs to be controlled and up to ten lighting programs c...

1-02-2008 | Elektor in 1984 saw a niche for a disco lights controller that was unusual and novel in not being limited to dull, fixed light patterns. In...

1-01-2008 | As opposed to the good old light bulb, a CFL needs an amount of electronics to start and light properly. Here we show a suitable circuit. Th...