This circuit is from an October 1980 Radio Electronics magazine. The circuit indicates when the maximum voltage range set by the LM3914 exceeds its end.
This circuit was found in a 90’s 303 Circuits. The components are from the period and the heating...
This circuit was found in a 1987 magazine. It consists of an oscillator controlled by the...
This circuit was obtained in a 90s American documentation. The integrated circuit used is uncommon...