Elektor Team (9510)

1-07-1982 | Depending on their condition 1.5 V batteries supply a voltage of 1.2 ... 1.7 V. This circuit can be very useful when a project has to be fed...

1-07-1982 | 7-32 — elektor july/august 1982 Normally, the high impedance input of the "front end" amplifier in a digital voltmeter is protected agains...

1-07-1982 | Thermistors and even light bulbs have often been used in oscillator circuits to stabilise the output amplitude. The resistance of such compo...

1-07-1982 | This circuit contains a small addition to the usual two opamp square/ triangular waveform generator. This is the diode included in the feedb...

1-07-1982 | 7-34 — elektor july/august 1982 Smoke detectors are part of any sophisticated alarm system. Most of the professionally made ones use some...

1-07-1982 | Many readers may judge that the subheading is rather simple. Just take a calculator and choose a number, then press the 1/X key and the resu...

1-07-1982 | Electronics can reach far beyond the frontiers of earth as a glance at the illustration shows. This electronic alien is a new arrival discov...

1-07-1982 | 7-36 — elektor july/august 1982 Most alarm systems can be divided into two main categories. They are normally activated by closing, or int...

1-07-1982 | N N1 ... N6 = IC3 = 40106 82606 automatic delay switch .. with visual countdown M. A. Prins 5V It is often said that two heads are better...

1-07-1982 | The dynamic RAM card in the April 1982 issue of Elektor has found many friends among Junior Computer owners. However SC/MP owners will also...