More about light (490)

1-11-1980 | 11-28 — elektor november 1980 Between 20,000 and 100,000 operational hours using "ordinary" light bulbs. When the famous Berlin clock was...

1-07-1980 | 1 2 0 DI R1 10 automatic cycle lighting Re1 R2 7 IC1 R4 5V 5_100mA La1 (:)6V 555 Cal Lag 3W 3W 6 6V Cl 4 x 1,2 V 450 mAh 4 x 1,2 V 450 mAh T...

1-07-1980 | 7-14 elektor july/august 1980 When developing photographs a light meter can be a useful gadget. Of course, the more luxurious the better, bu...

1-07-1980 | IC4 78 LO8 I CT T,P Plant a new bulb in your garden! This circuit will lead you up the garden path at night in safety. It enables the path t...

1-07-1980 | 7-38 elektor july/august 1980 Living in a temperate climate involves having to cycle with lights on every now and again. The trouble is that...

1-07-1980 | 7-76 elektor july/august 1980 82 The running light circuit described here is by no means the first (or the last) to be published by Elektor,...

1-07-1980 | An expensive item in any shop- keeper"s budget is the cost of illumi- nating the window display. One method of reducing costs is to keep the...

1-06-1980 | 6-06 — elektor june 1980 disco lights controller "lights" to face the music Disco colour light systems have been on the market for some ti...

1-01-1980 | 1-06 — elektor january 1980 colour generator using coloured light for an effective display Circuits for producing light effects are well-k...

1-10-1979 | The design for the `variable fuzz box` was first published in the December 1978 issue of Elektor. Such is the popularity of this ~ circuit,...