| With the availability of portable CD players, a need has arisen for a means of connecting such a machine to the radio-cassette player now...
J. Ruffell (55)
| This circuit enables the automatie on/off switching of mains-powered equipment after a master unit has been switched on or off. One parti...
| There are many programs that take of lot of precious time, even on relatively fast PC-AT computers. Examples include electronic circuit...
| This circuit complements the mini EPROM programmer featured a few months ago (Ref. 1). The simple-to-build unit allows data loaded into mo...
| Although it is almost impossible to imagine present-day meteorology without electronic equipment, sunshine is still widely measured with t...
| Electronic temperature monitoring need not be complex. This circuit gives an audible indication when apreset temperature ls reached. It ca...
| To the many PC users who would like to interface their computers with the real world we present an analogue-to-digital and digital-to-anal...
| Owners of inexpensive, yet reliable, CD players, such as the Philips CD371 or Aristona CD1372, are often frustrated by the limited program...
| Digital probes come in many shapes and versions. All of these, however, suffer from a single disadvantage: they can monitor the logic leve...
| Most of us are aware that computers and other digital systems can go haywire just like that. If neither the hardware nor the software can...