This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit shortens the platinum to prevent its operation and thus the operation of the engine when started.
This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit...
In the figure we have the circuit of an amplifier for alternating signals with 10 times gain,...
This 80's circuit can be used in media recovery. The integrated circuit is of the time, but modern...