We found this circuit in the 1983 edition of the Electronics Experimenter handbook. The circuit uses components that are common today, although many admit equivalents.
Indicated at the time of publication as a “walk man” for MW radios, this circuit is simple and can...
Although it is a circuit from the 80s, it can still be easily implemented today because the...
In the figure we have a bistable multivibrator using an operational one. The circuit is from old...