All items tagged with Time and Switch (40)

1-03-2018 | Timers — you can't have enough of them. Turn on the aquarium lights, simulate occupancy while you're away, heat up a frozen pizza in time fo...

1-03-2013 | In this second and final part of the article we discuss the operation of the circuitry, and the building of the clock.

1-01-2013 | Although the main objective of the 7-uP project was to create a digital alarm-clock with enhanced functionality, a key feature is the abilit...

1-12-2009 | A time switch lets you save a considerable amount of energy by switching off equipment when it is not being used. However, time clocks from...

1-01-2006 | Many households have a utility supply with a separate day/night tariff, where the electricity board delivers cheaper power during the night...

1-03-2003 | This compact stabilised power supply was specifically designed to obtain the best performance from the recently described subwoofer that for...

1-12-2002 | It doesn’t take a lot of effort to convert an electromechanical time clock switch into a simple time switch, and it can be done quite simply...

1-07-1998 | Simple triangle-wave generators have a weakness in that the waveform of their output signal normally cannot be modified. The circuit pre...

1-12-1997 | In the testing of circuits, there is sometimes a need for the supply voltage to be switched on at a gjven time or in steps.

1-07-1997 | The 20-bit ADC in the December 1996 issue of this magazine was fitted with symmetrical Inputs (as is usual in a professional appliance)....