Elektor Team (12039)

1.07.1979 | Digital voltmeters are now in wide-spread use and growing ever more popular. Many of the cheaper types of DVM however suffer from a slight...

1.07.1979 | The circuit described here employs a forward-biased diode as temperature sensor. The forward voltage drop of a diode falls by approximately...

1.07.1979 | TAP (read: touch) switches come in all shapes and sizes, mainly as momentary action or simple on/off (latched) switches. Using only a handfu...

1.07.1979 | The sight of so many interesting and diverse circuits contained in one issue may well lead to a quickening of the pulse rate for some of ou...

1.07.1979 | Blechschaden-Alarm (Auto Rüttelkontakt)

1.07.1979 | Cold weather is one of the banes of a motorist`s life. Not only must he worry about the car starting on cold winter mornings, but there is t...

1.07.1979 | The circuit described here is based on an unusual method of deterring a possible car thief. Shortly after it is started, an engine fault is...

1.07.1979 | Although designed in the first in-stance for use with the universal digital meter which was published in Elektor 45, this circuit for an aut...

1.07.1979 | This circuit is intended to give clear warning when it is time to replace the stylus in a record-player car-tridge. The unit indicates the `...

1.07.1979 | When housewiring, the addition of an extra switch and light to an ex-isting circuit using the same power supply point would not normally cau...