This automatic shutdown circuit was found in a William Sheets from the 1990s. The circuit automatically shuts down a car's electrical system.
In the figure we have a typical polarization circuit for MOSFETs with a high impedance...
Equivalent transistors, like the BC548 and BC558 pair can be used in this circuit that we find in an...
The circuit presented is from an old magazine having been translated and published in a national...