Elektor Team (9533)

1-05-1977 | In November 1976 the circuit was described of an ultrasonic intruder alarm, the `Al bar`. By slightly mis-using the ultrasonic transduc...

1-05-1977 | Chomerics` 4900 conductive paint is a one-component, air-drying coating which will provide effective EMI attenuation when applied in a...

1-04-1977 | Device enables the deaf to `see` a speech as it is made

1-04-1977 | Visitors to last year`s Hi-Fi exhibition in Duesseldorf, W-Germany, will have noticed something special on the Elektor stand: t...

1-04-1977 | Model car race tracks have been popular for ,. , many years. However, all of the commercially available tracks have the disad- vanta...

1-04-1977 | The first part of this article dealt with the general operating principles of the morse decoder. In this part the complete circuit is co...

1-04-1977 | The `Digisplay` circuit described in E 13 (May 1976, p.538) has proved to be more popular than we had expected. Whenever...

1-04-1977 | VU (Volume Unit) meters and PPMs (Peak Programme Meters) are used widely in the recording industry and by the amateur to monitor audi...

1-04-1977 | Many people consider the use of signal injectors to be something of a `brute force` method of faultfinding. However, a signal injector...

1-04-1977 | Automatic slide changers are extremely useful when a recorded commentary is used to accompany a programme of slides. Most auto slide cha...