Elektor Team (9517)

1-02-1978 | This article describes an infra-red light source and detector, which can be used in a wide variety of applications ranging from intrud...

1-02-1978 | Light-emitting diode (LED) lamps are replacing incandescent filament lamps in a variety of indicator applications, as they offer improved...

1-02-1978 | This article continues the . discussion of the tone-forming circuits with a description of the Dual VCA module, which can be used in co...

1-02-1978 | In order to provide the optimum conditions for tropical birds and fish in northern climes, artificial lighting is frequently used to e...

1-02-1978 | Using only one inexpensive CMOS IC and a handful of discrete components, it is possible to build a versatile function generator that wi...

1-02-1978 | This simple tester provides a reliable means of measuring zener voltages and of plotting the variation of zener voltage with zener current.

1-02-1978 | Developing photographic films can be something of a chore. Not only is it necessary to measure the total development time, but it is also...

1-02-1978 | By abolishing the restriction of having to work exclusively in binary code, the hexadecimal input/output unit described in this article con...

1-02-1978 | At a time when high speed digital transmission is beginning to be commercially exploited, Hewlett-Packard has introduced a new 150Mb/s bit e...

1-01-1978 | Although roughly 25% of the popu-lation are susceptible to diabetes, only 3% actually contract this much feared illness; of these diabetics...