Found in a documentation from the 70s, this circuit causes the courtesy light of the car to remain on for an additional time after the doors are closed. The time depends on C1.
This 1995 circuit uses interruption sensors or NC connected in series in any quantity. With the...
The integrated circuit used in this amplifier is not common today. The circuit is from a...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...