This dimmer for high-powered incandescent lamps was found in a 1967 General Electric manual. The circuit uses components from the era.
This circuit, found in documentation from the 1990s, uses a common 7-segment LED display. The...
This circuit can be used as an answering password system in a store, office, or other location....
This circuit was obtained from a Popular Electronics of 1994. The magazine no longer exists in its...