More about time (745)

1-07-1990 | As more and more electronics enthusiasts appear to have overcorne their initial doubts, misgivings and fears of working with surface-moun...

1-07-1990 | In most variable power supplies, the correlation between the setting of the wiper of the relevant potentiometer and the output voltage is...

1-07-1990 | A pulser Is a special type of pulse generator that praduces short-duration (fast) pulses. Such pulses are very useful for test and measur...

1-07-1990 | Almost all households have at least one infra-red remote contral unit, be it for the viode or audio equipment. Unfortunately, it sometime...

1-07-1990 | A 4-to-16 decoder is eminently suitable for constructing a simple four-position selector with integral debouncing of the switches.

1-07-1990 | Resistance checks on suspect transistors normally fail to provlde a conclusive answer as to whether the transistor is all right or defect...

1-07-1990 | The "MIDI signal redistributicn" unit we published in May 1987 (p. 22) has even more possibilities than we thought at the time.

1-07-1990 | This simple bedside light is suitable for telling the time at night, findings one's way to the door, and so on.

1-07-1990 | The adjustable flashing rate and low offstate current drain make this circuit eminently suitable for use as an on-off indicator where batter...

1-07-1990 | This circuit behaves like areal mosquito: as soon as it gets dark, it begins to buzz irritatingly. As soon at it gets light, it becomes...