More about light (490)

1-07-2004 | This circuit belongs to the ‘car modding’ category. This is similar to the popular case modding in the computer world and has found its way...

1-07-2004 | Whether it is required to simulate an open fire in a nativity scene, a forest fire in a model railway landscape, a log fire in a doll’s hous...

1-07-2004 | Physicians and repair engineers often use small light pens for visual examination purposes. Rugged and expensive as these pens may be, their...

1-06-2004 | Disco nights are great fun from time to time but you don’t want to overdo it in regard of the sound volumes you’re exposed to for a couple o...

1-04-2004 | Research papers by their nature are difficult for the average layman to understand. Here in the Elektor Electronics laboratory between the o...

1-04-2004 | These days, no one is surprised any more about a mouse without a ball, although optical mice have been around for only a few years. Meanwhil...

1-01-2004 | We all know that even the best pilots spend many hours practising on flight simulators before taking to the real thing, so why should it be...

1-12-2003 | Nowadays, a switch-off delay for the vehicle interior lighting is a naturally a standard feature. However, with certain models having only s...

1-09-2003 | In recent years the LED has seen many improvements so that we see them fitted in more and more situations where filament lamps were traditio...

1-07-2003 | The circuit described here counts the number of times that an infrared beam is interrupted. It could be used to count the number of people e...