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 critical component of this amplifier is the output transformer. We found the circuit in an old...
This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends...
This circuit was found in a 1980s documentation. Q1 and Q2 can be BC548 and SCR a TIC106. The...