This high-power flasher for incandescent signaling lamps was found in a 1980s General Electric documentation. The circuit has a photoelectric control and is powered by the 110V grid.
This circuit can be used as a buzzer from 3 different locations, allowing you to identify where it went...
We found this circuit in an Electronic Engineering of the 90s. The circuit can be implemented with any...
This adjustable source was found in a 1979 documentation, but all components are still common...