ZX extensions - more bytes, more inputs, more outputs

ZX extensions elektor june 1984 One of the great attractions of the ZX computer (ZX-81, ZX-spectrum) is its low price. However, if you want to extend it, things do not look so good any more: ready-made extension modules are not exactly cheap. This is, of course, not only the case with Sinclair computers. At the same time, it is not necessary to spend a great deal of money on more facilities: you can do a lot yourself and save money. This article describes a number of extensions which you can carry out yourself: memory extension, disk drive inputs and outputs, video output for improving the picture quality, and two joy-sticks for the Spectrum. ZX extensions more bytes, more inputs, more outputs, . . SCART = Syndicat des Constructeurs d"Appareils Radiorecepteurs et Televiseurs = (French) Association of radio and television receiver manufacturers. This association decided some time ago to terminate various inputs to, and outputs from, TV receivers into a 20-pin socket. This is becomi...