| The Z80 card described last month will be perfectly suitable tor many applications. There are cases, however, in which RAM is a must, a...
A. Rigby (28)
| Call it what you like: an all-time favourite, an evergreen in computer land, or just a die-hard electronic component: the Z80 B-bit microp...
| The insertion card described here enables you to build, quickly and easily, extension circuits intended to stay inside an IBM PC or compat...
| This compact receiver is compatible with all infrared remote controls that transmit RC5 codes. The RC5 set comprises 2,048 possible codes,...
| Switching transistors are usually driven into saturation. which has an adverse effeet on the switching speed. This effect is eliminated,o...
| Rectifying the buzzer signal on a telephone line results in a voltage that may be used to switch one or more loads, for instance, a light...
| This circuit has been designed primarily for use with valve amplifiers. When the arnplifier is switched on, filament voltage is supplied...
| This relay card connects to the universal I/O-interface for IBM PCs described in the May 1991 issue. Simple to build and program, it ofter...
| As discussed last month, the timecode interface is an ingenious piece of electronics capable of putting time codes on a magnetic tape a...
| Many people still use the old C64 computer to play games on, but get frequently annoyed by the constant need of changing over the joysti...