This window comparator circuit was found in a Popular Electronics from the 90s. The circuit has a multiple adjustment input network to determine the operating ranges.
This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit...
This circuit can be used in physics experiments, in ionization and in several other applications. The...
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...