More about main (149)

1-02-1983 | main beam dimmer elektor february 1983 Every motorist is occasionally dazzied by oncoming vehicles that fail to dip their headlights, and th...

1-06-1982 | olid state relays elektor june 1982 — 6-57 solid state relaYs the modern method of switching mains Electronic relays have quite a lot of a...

1-07-1981 | 85 mains LED The very long life span of LEDs make them emi- Howev r, theira nently suitable for on/off indicatnors. ctedesince use on mains...

1-07-1980 | 7-26 elektor july/august 1980 This circuit is really meant to control a triac but it can also be put to other uses. The section around Al fo...

1-04-1980 | 4-32 — elektor april 1980 aide-de-camp It is probably true to say that every touring caravan uses a 12 volt power supply for something, ev...

1-05-1979 | The programmable timer/con-troller, described elsewhere in this issue, is not really complete. It cannot be used to switch aquarium lighting...

1-09-1977 | The disadvantage of conventional AM-mains intercoms is that they are subject to the often highly disruptive effect of mains interference...

1-06-1976 | Mains intercoms of a more or less reasonable quality are still a bit expensive on the market. Consequently, there appears to be a fair d...

1-07-1975 | Many different methods are followed to generate mains synchronised pulses. This circuit employs an opto-coupler to give complete isolatio...