This circuit was obtained in a 90s American documentation. The integrated circuit used is uncommon today. The circuit has a low RFI level.
We found this circuit in the September 1995 issue of Electronics Now magazine. The circuit has 6...
This circuit causes a buzzer to emit an intermittent tone when the temperature sensed by the...
This circuit was found in a 1994 Electronics Now. The circuit uses an old analog TV flyback and...