More about light (490)

1-02-1995 | This running light circuit drives a matrix consisting of 8 up to 32 LEDs, and is primarily intended for playful and decorative application...

1-02-1995 | Few of you will be impressed by the fact that this circiut tuns on a light if you press a switch. The thing is, however, that the light goes...

1-12-1994 | Modern central heating boilers have no pilot light but electronic ignition. Checking whether ignition has taken place can be carried out...

1-12-1994 | The running lights are particularly suitable to demonstrate in an original manner how two data streams arrive alternately at the same po...

1-07-1994 | The switch is typified by the very few components needed and its high sensitivity.

1-05-1994 | Although huge monitors are quite common in today's party bunkers, clubs and discotheques, the idea of using a TV set instead of the more u...

1-04-1994 | The popularity of halogen light is still increasing, and rightly so because of some distinct advantages: the colour temperature is agreeab...

1-04-1994 | A flash tube control circuit is described wh ich is suitable for playful as weil as serious applications. The unit has a flash frequency o...

1-12-1993 | When a battery is charged by a solar panel during the day, it may discharge via that panel after sunset. This may, of course, be prevente...

1-12-1993 | The circuit presented here ensures that bicycle lights remain on for a little while after the bicycle (and thus the dynamo) has corne to...