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 traditional configuration is from a 1976 publication, showing that nothing has changed since...
This circuit was found in an 80's EDN. The circuit uses a current common CMOS, the 4093 powering...
This circuit was obtained in a1969 magazine. The magazine no longer exists, but the circuit can be...