Found in Radio Electronics magazine from 1959, this high-fidelity amplifier has 15 W of power. Power supply was not provided.
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...