This normally open, two-terminal, high-sensitivity circuit was found in General Electric's technical documentation from the 1980s. The circuit is half-wave.
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...