This circuit also appears elsewhere on this site, obtained from other sources. This is an 80's American schematic book. Instead the lamp can be used white high-brightness LEDs.
This circuit is from a 1968 documentation using one of the first integrated circuits available at the...
This circuit was obtained from an ancient American documentation. The coil consists of 80 to 100...
We find this automatic battery charger in an 80s ON Semiconductor circuit and application manual. Bridge...