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X2PCs LM3915N Dot/Bar Display Driver ( LM3915N-1). A single pin changes the display from a moving dot to a bar graph. and drives 10 LEDs, LCDs or vacuum fluorescent displays, providing a logarithmic 3dB/step analog display.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.