| This special timekeeper records individual time periods and adds them together to produce a total time. The circuit uses a real-time clock d...
All items tagged with Time and project (3)
| The lamp in slide projectors is normally controlled with the aid of a triac in series with it. This method reduces the brightness of the...
| To achieve a comfortable room temperature quickly it is often required to switch on the central heating (CH) boller tor ten minutes or...