This circuit was found in a 1970's Radio Electronics. The pulse transformer has a 1: 1 turn ratio. The triac must be in accordance with the controlled load.
This circuit is from an old documentation from 1995, but it can be easily assembled today by the...
The basic idea of this 1988 circuit is to use a signal called REMOTE existing in some types of...
Poptronics recommends this circuit for use in the car when the headlights are left on. The circuit...