This sophisticated metronome has accented tones for better use. The circuit is from Radio Electronics from December 1985. The amplifier stage is 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...