All items tagged with light and Bicycle (13)

23-12-2015 | Many bicycle owners and riders are adamant on safety specifically when vehicle lighting is concerned. Seeing in the dark is not usually a pr...

3-01-2014 | On discovering that my previous design based on a blocking oscillator and diac strobe pulser was a bit heavy on the battery, it seemed about...

1-07-2012 | Converting a traditonal bulb light on a bicycle to one that pumps 350 mA through a Cree XP-E LEE to produce 114 lumen.

1-07-2012 | Fitting a bike with a rear light that stays on even when stationary is both useful and interesting — especially when it uses a circuit as si...

1-07-2010 | This is a design for a rear bicycle light that automatically switches on and off according to ambient lighting conditions. The red LEDs flas...

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...

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

1-09-2008 | Having treated himself to a new bicycle fitted out with all mod cons including a shiny hub dynamo, the author was looking forward to many mi...

1-12-1999 | This article is of interest only to readers whose bicycle lights are powered by a dynamo. The laws on bicycle lights in the United Kingdom...