The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, providing a logarithmic 3 dB/step analog display. It is the "big brother" to the linear LM3914, making it ideal for audio level meters, power indicators, and signal strength monitors.
If you are looking for an updated way to calculate resistor values ( R1cap R sub 1 R2cap R sub 2 ) for the LM3915 Logarithmic Dot/Bar Display Driver Go to product viewer dialog for this item. lm3915 calculator updated
): Sets the "full scale" point where the 10th LED lights up. Sets how bright the LEDs are without burning them out. Review of "Updated" Calculator Features The LM3915 is a monolithic integrated circuit that