Luc Lemmens (180)

1-10-1997 | Although a PC can be equipped with four RS232 serial ports, only two of these are available on most machines. Worse, most laptops have ju...

1-02-1997 | Flexible tubelight units containing many vividly coloured lights are very popular ornaments these days, and they are seen in many shop...

1-01-1997 | Anyone interested or engaged in constructing electronic circuits, be he/she an amateur enthusiast, an experimentalist or a professional...

1-12-1996 | The digital-to-analogue converter presented here could not be simpler. lt consists of the logic circuit of a printer port of a computer...

1-12-1996 | After a battery has been discharged, it is often found that tbe separate cells have been discharged to different values. This is, of cou...

1-12-1996 | A proximity switch is one which requires your hand to be merely near it as opposed to on it to operate.

1-11-1996 | The microcontrollers in the ST62 family manufactured by SGS-Thomson Microelectronics thank most of their popularity to their versatil...

1-07-1996 | Only a handful of components are needed to build an intrument which is indispensable in any RF workshop: the grid dip meter or 'dipper...

1-07-1996 | Many people have a computer just to play games on--and why not? The PC is eminently suitable for this type of recreation.

1-02-1996 | Present-day integrated components allow a complete FM stereo receiver to be built from just a few ICs. The next step is to use SMT (surface...