Lm3914 versatility was designed into the lm3914 so that 1features controller, visual alarm, and expanded scale functions 2 drives leds, lcds or vacuum fluorescents are easily added on to the display system. Detailed information on the use of cookies on this website is provided in our privacy policy. Proyectos electronicos proyectos electronicos simples. Modulo vumetro audio indicador bateria 5 led con ka2284. The lm3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten leds, lcds or vacuum fluorescent displays, providing a. Dotbar display driver, lm3914 datasheet, lm3914 circuit, lm3914 data sheet. Bar or dot display mode externally selectable can drive leds of many colors, or lowcurrent by user. In which we can see the dancing of lights leds according to the music, if the music is loud, equalizer reaches to its peak and in low music it remains low. Lm2756 multidisplay inductorless led driver with 32. Led vu meter circuit diagram using lm3914 and lm358. The lm2756 is a highly integrated, switchedcapacitor, multidisplay led driver that can drive up to 8 leds in parallel with a total output current of 180ma.
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