Lm3915 Vu Meter Circuit. A vu meter circuit can also be called an audio visualizer or visual audio spectrum analyzer. The lm3915 is a monolytthic ic designed to sense analogue voltage signals and produce an incremental or sequential logic switching across its 10 output.
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Lm3914 dot bar display driver lm3914 is a monolithic integrated circuit that senses analog voltage levels and drives 20 led stereo vu metre devresi pcb circuit lm3914 10 leds stereo vumeter circuit diagram of eagle pcb drawing of eagle. Vu meter circuit has 2 versions of the lm3914 and made with lm3915. Also we can easily build and cheap.
In my own effort i designed a pcb layout for this circuit.
In this article i am going to share some ideas about the simple vu meter by using lm3915 ic. The lm3915 will provide the functions to building a simple vu meter at home. Vu meter circuit has 2 versions of the lm3914 and made with lm3915. The lm3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten leds lcds or vacuum fluorescent displays providing a logarithmic 3 db step analog display.
