| Sometimes ideas occur, which, although good in themselves, cannot be implemented because the necessary technology is not yet there. Consider...
| Sometimes ideas occur, which, although good in themselves, cannot be implemented because the necessary technology is not yet there. Consider...
| The idea itself isn`t new - a similar circuit was published in Elektor, May 1976 -but the simplicity of the circuit described here lends i...
| Phasing is a well-known musical effect which is obtained by varying the phase relationship of a signal with respect to an original version o...
| Behind the above title lies a well-known type of dexterity game, in which two players each attempt to pass a ring along a length of wire wit...
| The designer of this circuit must have had frequent occasion to become annoyed at the various pamphlets, posters and advertising `bumph` whi...
| There are many potential applications nowadays to justify the use of a noise level meter -for instance, monitoring the sound output at dance...
| Automatic battery chargers are not particularly cheap, however the pro-tection they afford against over-charging and possible battery damage...
| n games of speed chess, where each player has only 5 or 10 minutes to complete all his moves, mechanical chess clocks leave something to be...
| The circuit shown here will generate pre-programmable periodic wave-forms. The waveform is stored digitally in two 256 x 4 bit RAMs which a...
| Most people wilt have seen the desk-top ornament/toy known as a `Newtons cradle` (see figure 1), which consists of usually five steel balls...