All items tagged with light and Lighting (61)

1-11-1985 | elektor electronics november 1985 by A Sevriens stage lightin Fig.1 Block diagram of the power stages: the shaded parts carry mains voltage....

1-10-1985 | stage lighting At this time of the year, thousands of amateur and school dramatic and music societies and groups are preparing for the comin...

1-12-1983 | The generator described in our November 1982 issue superimposes a high-frequency alternating voltage (uL) onto the direct- voltage output (U...

1-10-1983 | solid-state dark room lighting elektor october 1983 LEDs are normally only used in those applications for which they were designed: as indic...

1-11-1982 | 11-28 — elektor november 1982 model train lighting A look at various solutions One could, for example, construct a multiple rail system wh...

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 | 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 | 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...

1-07-1979 | The following simple circuit should prove a useful safety aid to motor-cyclists. In contrast to car drivers, motorcyclists generally only ha...

1-01-1979 | This unit charges a nickel-cadmium battery from the mains to provide a standby power supply for emergency lighting in the event of a mains...