Elektor Team (9534)

1-05-1979 | Our remarkable sense of pitch. Cassette Recorder with a brain. This is your computer speaking. 15 kHz is enough for Golden Ears!

1-05-1979 | The circuit described here is a versatile timer/controller, capable of switching 4 separate outputs on or off at 4 pre-programmed times ev...

1-05-1979 | The programmable timer/con-troller, described elsewhere in this issue, is not really complete. It cannot be used to switch aquarium lighting...

1-05-1979 | The circuit diagram of the `random tune` doorbell is shown in figure 1. As can be seen, it basically consists of two squarewave generators,...

1-05-1979 | Having dealt with reverberation and echo in a previous article (see Elektor 46, February 1979) we now take a look at how delay lines can be...

1-05-1979 | The ASCII keyboard (Elektor, November 1978) is more versatile than may appear at first sight. Some readers have com-mented that a `shift-loc...

1-05-1979 | The specifications for a serial interface between computer and terminal are given by the so-called RS232C and V 24 standards -among others....

1-05-1979 | Determining the frequency response of an amplifier normally requires a series of carefully conducted test measurements, a large supply of gr...

1-05-1979 | We have, somewhere in the Elektor laboratories, a sound effects department, although the exact location has yet to be discovered. There was...

1-05-1979 | It seems safe to assume that the `BASIC microcomputer` is the cheapest home-construction computer ever described that can be programmed usin...