Found in Radio Electronics, this circuit is intended to activate the lighting system of garages driven by the car's headlight.
We found this project in an old publication from 1983. The circuit uses 4 switches of 1 pole x 8...
This circuit was found in a 1967 US documentation. The circuit applies to modern general purpose...
This simple symmetrical power supply is regulated by 1 W zener diodes. The circuit can be powered by...