LED VU Meter circuits using transistors, 5 to 20, 40 LED
See LED VU meter using transistor is analog circuit to show the level of power audio signal. You can build 5 LED to 20 LED display with PCB. Read more
Sound Level Meters
KA2284 Stereo audio level indicator
Here is cheap Stereo audio vu meter circuit with PCB. using KA2284 x2 and 10 LED or 5 LEDs per channel, it is simple to builds and few parts. put projects Read more
Sound level meter circuit using LB1409
This project is a sound level meter circuit that easy and very cheap, can drive 9 LED display,The LB1409 is used as base of this circuit makes small size. Read more
LM3914 Datasheet Dot/Bar Display Driver | VU Meter Circuits
This LM3914 vu meter circuits, the VU meter kit, with the assembly various parts on their own or the style ready to use. Most of us are using the IC-LM3914 […] Read more
Analog VU meter schematics
Let’s use two simple Analog VU meter schematics. If we take the amplifier connected to the speakers. It is very dangerous.If your amplifier has a higher power than the limits of the speaker. It may make a very bad sound. More important is the speaker and amplifier may be damaged.These circuits may help you! Simple … Read more