All items tagged with Timer and Time (105)

1-02-1989 | 111 EE February 1989 INTERMEDIATE PROJECT A series of projects for the not-so-experienced constructor. Although each article will describe i...

1-07-1988 | This timer can be set to count a maxi- mum of 60 hours. It also allows an inter- val to be set. When this interval is reached, a buzzer soun...

1-07-1988 | EE JULY/AUGUST 1988 Here is a simple "who"s the first" circuit that can be used in quiz games with up to eight participants or groups of par...

1-07-1987 | EE JULY/AUGUST 1987 by A Behrens When, after developing, photo- graphs are immersed in the fix- ing bath at irregular intervals, it becomes...

1-07-1986 | C1 100p 15V This low-cost timer circuit can offer switching intervals up to about 24 hours and may, therefore, be useful for a variety of do...

1-07-1986 | 1511versatile timer This simple-looking circuit enables the arbitrary programming of seven outputs in a series of not more than 2048 (211) s...

1-06-1985 | service interval timer One hundred years ago the horseless carriage was born, and what a birth that was, for the motor car, after a timed yo...

1-05-1985 | programmable timer elektor may 1985 programmable timer M. Kuijk with a host of facilities This truly versatile timer offers eight switched o...

1-03-1984 | tape timer elektor march 1984 The accurate measurement of a tape run requires monitoring the length of tape that passes a point in a given p...

1-07-1983 | for home and garden A periodic alarm signal has many ap- plications in daily day life: "lights off" indicator in cars, water level in- dicat...