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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Electronic Watering Can (CB16661E)
This circuit activates a water pump when the sensors detect lack of humidity in a vessel, for...
Unit gain (CB6727E)
This circuit was obtained from an Electronics World of 1969. General-purpose transistors can be...
Antique OC74 800 mW Transistor Amplifier (CB12903E)
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