All items tagged with project and time (3)

1-12-2003 | This special timekeeper records individual time periods and adds them together to produce a total time. The circuit uses a real-time clock d...

1-12-1993 | 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...

1-11-1991 | To achieve a comfortable room temperature quickly it is often required to switch on the central heating (CH) boller tor ten minutes or...