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BUY LM3914N-1/NOPB https://www.utsource.net/itm/p/827658.html
LM3914 Dot/Bar Display Driver; Package: MDIP; No of Pins: 18; Qty per Container: 20/Rail
Description: The LM3914N-1/NOPB is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. Features: 10 LED linear bar graph display Reference voltage adjustable from 2V to 10V Internal voltage regulator Low current drain Low ripple TTL compatible logic input Low cost Applications: Battery charge level indicator Audio level indicator Temperature indicator Light level indicator Process control indicator (For reference only)