All items tagged with alarm and car (19)

1-07-1986 | EE 84 July/August 1986 61car radio alarm 1 +12V +12V(DI • OV OV0 4,C(• It is an unfortunate as well as a gener- ally acknowledged fact t...

1-07-1986 | The purpose of this one-chip circuit is to give an audible alarm in case a thief attempts to steal the car radio, which is generally conside...

1-02-1986 | EE 62 February 1986 CAR BURGLAR ALARM Although no alarm offers complete protection against theft, it will, none the less, deter most thieves...

1-07-1985 | elektor july/august 1985 Even the best car alarm is useless if you forget to set it upon leaving your car, whence this circuit. The relay ha...

1-07-1984 | . for sleepy drivers radio can be switched on and off via a relay contact. Switch on the supply; the display should then flash. Setting the...

1-06-1982 | r alarm elektor June 1982 — 6-47 Electronics are finding their way into the car more and more these days. This is not confined to the up-m...

1-07-1979 | With the overcrowding that is a common feature of most car parks nowadays, the chances of coming back to one` s car and finding a dent in t...

1-07-1977 | Depending on type and the current flowing, • the forward voltage drop of an LED may lie between 1.4 and 2 volts. The temperatur...

1-07-1977 | This circuit is designed to give an audible and visible warning to the absent-minded motorist who forgets to switch off...