This circuit activates a garage door by the car headlights car or a lantern. The circuit is from a 1967 documentation, making use of period components.
Suggested by General Electric in a 1965 publication this circuit uses a light bulb. Can be changed...
This 12V small battery charger has been found in US documentation. The circuit charges with a 75...
This circuit can be used with older tape player systems to recover media converting for digital...