| Visitors to last year`s Hi-Fi exhibition in Duesseldorf, W-Germany, will have noticed something special on the Elektor stand: t...
| Visitors to last year`s Hi-Fi exhibition in Duesseldorf, W-Germany, will have noticed something special on the Elektor stand: t...
| Model car race tracks have been popular for ,. , many years. However, all of the commercially available tracks have the disad- vanta...
| The first part of this article dealt with the general operating principles of the morse decoder. In this part the complete circuit is co...
| The `Digisplay` circuit described in E 13 (May 1976, p.538) has proved to be more popular than we had expected. Whenever...
| VU (Volume Unit) meters and PPMs (Peak Programme Meters) are used widely in the recording industry and by the amateur to monitor audi...
| Many people consider the use of signal injectors to be something of a `brute force` method of faultfinding. However, a signal injector...
| Automatic slide changers are extremely useful when a recorded commentary is used to accompany a programme of slides. Most auto slide cha...
| Readers may remember that the `Discolights` featured in Elektor September 1975 used TTL shift registers to drive triac switches. This is...
| Automatic slide changers are extremely useful when a recorded commentary is used to accompany a programme of slides. Most auto slide cha...
| The ultrasonic movement detector `Albar`, originally published in El 9 (November 1976), has proved a great success. Unfortun...