Elektor Team (9517)

1-07-1975 | When starting a car journey after dark it ·s useful to have a device which will keep the interior lighting on for a while after the door...

1-06-1975 | Although Britain now seems to have finally decided not to go ahead with the Channel Tunnel project, we have heard about another Tunnel Pr...

1-06-1975 | This tester gives an instant check of the `general health` of a transistor, as well as its compliance with the minimum TUP or TUN specif...

1-06-1975 | Wherever possible in Elektor circuits, transis- tors and diodes are simply marked `TUP` (Transistor, Universal PNP), `TUN` (Transi...

1-06-1975 | Electrical interference generated by cars can be a source of annoyance, not only to the car occupants, but also to users of other electro...

1-06-1975 | Thefts of cars, or accessories and/or other articles in them, are becoming more and more common. By the same token, anti-theft alarms for...

1-06-1975 | This circuit can be used to give quite a natural imitation of a vibrating string. An astable multivibrator consisting of...

1-06-1975 | This is a TTL logic probe which, instead of the usual LED to indicate the logic states, uses a seven-segment Minitron or LED display to...

1-06-1975 | The first part of this article discussed an audio preamplifier and control unit operated entirely by TAP`s and dealt with the design of the...

1-06-1975 | In order to function effectively, electronic equipment used in cars must have an appropriate power supply, which in addition to providing...