This basic circuit showing the LM3914 “inside” was published in the October 1980 issue of Radio Electronics magazine. Note that R1 determines the brightness and that the power supply is 9 V.
This circuit was found in old documentation and can be implemented with other operational...
This circuit is from Motorola's Linear Interface ICs from 1993. The circuit uses a booster...
Found in a 1970s American publication, this circuit is intended for color TV video signals. The main...