This is the version of the previous circuit for vehicles with positive ground. The circuit is from a Radio Electronics from December 1976. A siren is included.
This circuit causes the relay to be energized when the input voltage exceeds the voltage value of...
The circuit we present is suggested by Linear Technologies (www.linear.com) and makes use of an...
Found in American documentation from the 90s, this circuit can be used as a shield with the...