This circuit was obtained from Signetics documentation from the 80's. The components used are from that time. The circuit can serve as a basis for repair, maintenance or projects with modern components.
This circuit uses a Hall device from that time as a sensor. The circuit is from an English...
Found in Radio Electronics from the 90s, this siren finds many variations on this site. The...
This audio generator that produces both rectangular and sinusoidal signals was found in a...