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.
This circuit was found in a Popular Electronics from the 90s. The effect circuit uses components...
The operation of this circuit is not common today, but equivalents can be experienced. The circuit is...
This regulator is based on the SFC2308 integrated circuit, which is quite old, therefore difficult to...