Elektor Team (9533)

1-10-1977 | Kirlian photography has little in common with conventional photograpy. The film is expose, not optically through a lens system, but by placi...

1-10-1977 | The second part of this article completes the desc`ription of the circuits of the CCI R standard generator, and gives the layout of the...

1-10-1977 | In order to measure small changes in high resistance circuits, the use of a simple ohmmeter is not sufficient, since the measurement ca...

1-10-1977 | The ban on subliminal advertising has led to a wider interest in this unusual psychological .. phenomenon. The following circuit offe...

1-10-1977 | This article provides a program for the HP-65 programmable calculator from Hewlett-Packard with which it is possible to determine, and...

1-10-1977 | Headphones have long been popular with hi-fi enthusiasts, since they provide good-quality reproduction at a fraction of the cost of loud...

1-10-1977 | The infra-red receiver and multiplex decoder are the heart of the car electronics. The servo amplifier and speed controller cannot oper...

1-10-1977 | The `Biorhythm` theory offers an explanation for the occurrence of emotional `ups` and `downs`. This article offers a TTL circuit for ca...

1-10-1977 | The ioniser produces a high concentration of negative ions in the surrounding atmosphere, which many people find stimulating and refre...

1-10-1977 | Various circuits for touch switches have been published in Elektor, and many readers have asked for constructional details of touch...