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.
The circuit shown in the figure consists of a fixed buck regulator using the MIC23021 integrated circuit...
This circuit can generate signals from 100 kHz to 1 MHz depending on the L1 coil. For the medium...
The configuration below, which can be implemented with other operators, is from the National...