| doorbell — or telephone - operated flash-light elektor november 1983 It was, of course, known before the outbreak of disco fever that flas...
| doorbell — or telephone - operated flash-light elektor november 1983 It was, of course, known before the outbreak of disco fever that flas...
| Since the day that Stephenson began taking an interest in coal, "model railways" has grown into one of the most popular of hobbies: the crea...
| One important factor that is often sorely neglected in digital circuit design is decoupling the supply lines. The best known method of decou...
| CPU card ... elektor november 1983 The most appropriate description of this new CPU card might well be: an independent, single-board compute...
| decimal-to-binary converter ... elektor november 1983 decimal-b-binary ... for programmable pocket calculators Table 1 Program for decimal-b...
| The special feature of this movement detector is that it is a passive device: it does not use a transmitter like a light barrier. The fundam...
| A metronome is of vital importance in, among others, the study and practice of music, dance, and the morse code. Some people have a natural...
| pseudo stereo elektor november 1983 for the personal FM The personal FM radio receiver published in the September 1983 issue was based on th...
| universal terminal ... elektor november 1983 The combination of the CPU card featured elsewhere in this issue and the VDU card published in...
| ultrasonic/infrared barrier elektor november 1983 Infrared barriers are used in counters, alarm equipment, automatic door- openers, remote c...