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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LDR dark switch (CB8255E)
This circuit was found in a 1967 Ferranti documentation. It takes the transistor to the conduction...
Over and under temperature alarm (CB9477E)
This two-output circuit was found in General Electric documentation from the 1990s. The circuit uses...
Pulse generator shield 555 (CB8196E)
Found in American documentation, this circuit aims to produce pulses of certain durations from smaller...