Elektor Team (9512)

1-02-1975 | Three-eyed bandit From time immemorial man has played games of chance. In primitive societies the men often sat around throwing dice o...

1-02-1975 | Nowadays both mechanical and electronic doorbells playing com- plete melodies are commercially available. The Big Ben plays a striking...

1-02-1975 | COS/MOS is a development of bipolar C technology and an offspring of the MOS (Metal Oxide Semiconductor). It started with t...

1-02-1975 | Solid state circuits are increasingly intruding into fields that were once the domain of electromechanical components, but only recently has...

1-02-1975 | The recent energy crises have underlined the need to forge ahead with the development of new communication systems, not only to alleviat...

1-02-1975 | With LEDs now available for a few tens of pence each it is possible to construct a `giant` seven-segment display from discrete LEDs for...

1-02-1975 | The performance of bought or self-built preamplifiers for magnetic pickup cartridges is invariably not sufficiently well known. This is...

1-02-1975 | The gyration principle was suggested by theoreticians over 25 years ago, although it is rarely seen in practical circuits. It can, howe...

1-02-1975 | As discussed elsewhere in this issue, it is possible to distinctly improve the read- ability of ?-segment numeric displays by adding...

1-02-1975 | A favourite gimmick in disco- theques is to use flashing lights, which are usually synchronised to the music. An interesting addition is...