This circuit was found in an American documentation from 1969. Indications of the used transistors are not given, but general-purpose types can be tested.
E) This circuit was found in documentation from the 1980s. The integrated circuit used is not very...
The circuit shown in the figure makes it possible to trigger a load after times that can extend up to 4...
This circuit with operational amplifier was found in old American documentation. It can be...