LED VU Meter LM3914, LM3915, LM3916 LED driver dot bar display made ​​with a variety of integrated circuits vu meter circuit can use with normal 3mm LEDs 5mm LEDs as well as a bar have used modules are located... Electronics Projects, VU Meter Circuits LM3914 LM3916 LM3915 "audio control circuits, led projects, " Date 2019/08/01