More about light (490)

1-11-2009 | During the winter many people suffer from Seasonal Affective Disorder (SAD), which is commonly known as the winter blues. With the help of b...

1-07-2009 | The circuit described here is special in that it allows the colour of the RGB LED that is used to be controlled remotely. The circuit can be...

1-07-2009 | Electronic ballasts (EBs) for fluorescent lamps, also known as electronic control gear (ECG), have advantages over their conventional cousin...

1-07-2009 | For devices where there's no need to read an LCD continuously, the backlight doesn't need to stay lit up all the time — several seco...

1-07-2009 | This project was originally designed for lighting up an illuminated sign for a wine-grower. The sign was originally controlled by a simple t...

1-07-2009 | The circuit takes the ambient light level into account and only turns on the light when it becomes dark. The light is turned off when no cyc...

1-07-2009 | More and more people are using a PC (conventional or notebook) to view films. The VGA output can be used to provide a matching 'Ambiligh...

1-07-2009 | This automatic lighting switch controls the background light on and off along with the TV set. The entire circuit is fitted in series with t...

1-07-2009 | This circuit provides aircraft modellers with extremely realistic beacon and marker lights at minimum outlay. The project's Strobe outpu...

1-07-2009 | A simple LED driver circuit specially designed for use on a bicycle, with battery or dynamo powering.