LM3914 with expanded scale (CB24652E)

This LED bar graph circuit was found in the October 1980 issue of Radio Electronics magazine. The circuit shows how to change the LED drive values.

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Cascading the LM3914 (CB24656E)
In the figure we have a circuit in which two moving bar/dot indicators are connected together to...
Single power source with 1 diode (CB22339E)
This simple unregulated half-wave font was found in old American documentation. The diode is...
Radio for headphones CK722 (CB23625E)
This simple radio for listening to a headphone with two CK722 transistors was found in Radio...