Topic: Dot Bar Display Driver
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Answers to Common Questions
How can I drive an LM3914 display bar driver for a tach/speedo re...
The LM3914 needs +3vdc which you can get off the battery and step down with a voltage regulator from Radio Shack. Source(s): http://www.national.com/pf/LM/LM3914.htm… Read More »
Source: http://answers.yahoo.com/question/index?qid=20060927221547AAwXmJj
WHAT IS AN LM3914 DOT-BAR DISPLAY DRIVER?
"The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. A single pin changes the display from a moving dot to a bar graph. Current drive to the LEDs is regulate... Read More »
Source: http://www.electronics-tutorials.com/devices/lm3914.htm
