| lamp saver elektor september 1984 Most incandescent bulbs have an estimated lifespan of about a thousand hours of brightness. The actual tim...
| lamp saver elektor september 1984 Most incandescent bulbs have an estimated lifespan of about a thousand hours of brightness. The actual tim...
| double-sided printed circuit boards elektor september 1984 Few electronic hobbyists today have any qualms about making printed circuit board...
| . . for disco lights It is interesting to be able to vary the run-off speed of the disco lights featured in our February 1984 issue. Not man...
| keyboard adapter Parallel/serial converters have a var- iety of applications in computer technology, for instance, in interface circuits for...
| . counts jumps too! For a change, here is a circuit which is primarily intended for sports people: it can count steps or jumps. From now on,...
| for filming and other applications It is sometimes required that one of two parallel-operating units is switched on just after, and switched...
| july/august 1984 00" A . . . protects tomorrow"s dinner As we all know, it is important that doors of fridges and freezers are nor- mally cl...
| A with six switchable settings Most asynchronous receiver/transmit- ters (generally known as UARTs) operate at a clock frequency which is si...
| for good old fashioned radio noise Nostalgia is becoming ever more of a "big business". This is understandable as we all have a tendency to...
| helps a computer to get to the point A light pen is a tool that allows the coordinates of a point on the screen to be entered into a compute...