| Designing a suitable LED display for a particular application can be time consuming. In particular, the decoder that sits between the dri...
| Designing a suitable LED display for a particular application can be time consuming. In particular, the decoder that sits between the dri...
| Any time a device produces a resistance (or resistance change) as the transducible property for a measurement, we can use the Wheatstone...
| The scanner is an extension for the 'AlI-solid-state preamplifier' published tn the December 1989 / January 1990 issues of this magazine....
| Overcharging of batteries is prevented by the timely switching off of the charger. A timer that can be set to within a minute can be bui...
| Many amateur photographers spend a disproportionate amount of their time in the dark-room. The exposure timer presented here can cut down...
| This review deals with the recently introduced 23/24 cm FM Amateur Television (ATV) receiver from EHC (Valves) Ud. At the time of writing,...