Found in an Electronics World of 1968, this circuit is indicated for applications in photography making the control of a camera aperture. The components are from the time.
We found this circuit in the April 1975 Radio Electronics magazine. The circuit has a latch and...
We found this sophisticated home alarm in a 1994 documentation. The circuit supports sensors of...
This circuit was found in the 1991 Electronics Experimenter's Handbook. It activates a relay when...