Working with the previous circuits, this circuit resets after 1 second. The circuit is from Radio Electronics magazine, August 1984. The time can be changed.
This circuit is from 1990 documentation. When we press D1 the lamp remains on for a time interval that...
This 1995 circuit uses interruption sensors or NC connected in series in any quantity. With the...
This circuit from a Radio Electronics magazine from June 1969 already shows the use of the newly...