This circuit was found in the June 1980 issue of Radio Electronics magazine. The circuit uses an integrated circuit from time, and a power Darlington that must be equipped with a heat sink.
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...