Elektor Team (9531)

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...

1-10-1977 | The voltage controlled oscillators (VCOs) are the heart of any synthesiser. The quality of the VCOs ultimately determines the performan...

1-10-1977 | Last month`s article provided a brief outline of the development history of computers and their basic architecture. It was intended to...