All items tagged with Switch and Time (40)

| 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...

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

| 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...

| 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...

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

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

| 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...

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

| 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.

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