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 circuit was published in an English magazine from 1980. The magazine no longer exists, but...
This circuit for VCR recording heads was found in the February 1990 issue of Radio Electronics magazine....
July 2017 - Mouser Electronics already has Ricoh's new RP118x ultra-low current regulators in...