This is my another VU meter with 80 LED diodes.In one channel is used 10x IO LM324, connected like voltage comparator, 40 LED diodes and 143 rezistors.Comple...

Operating Voltage: 7v-12v 100MA. Colors: 7 Green + 2 orange + 3 red. This level lamp Have standard display mode and Wide range of automatic gain control (AGC)Mode.

Oct 22, 2024 · [Versatile Adjustment] Users can easily customize the speed of each light bar and main light for a personalized visual experience. [Minimized High-Frequency Interference] Utilizes TI signal isolation for audio input, reducing interference from MCU connections for …

LED VU Meter, Colorful Signal Voice‑activated Sensor Sensitive LED Display Adjustable Potentiometer for Test Sound Level

/* ********************************************************************** * Stereo VU Meter for 1 or 2 LED rings or strips build by ericBcreator * Designed to be used with an Arduino UNO, Nano or compatible device.

Jan 2, 2024 · In this post I have explained how to build 4 interesting VU meter circuits, using LEDs and using a moving coil meter. VU meter or a volume unit meter circuit is a device used for indicating the music volume output from an amplifier or a loudspeaker system.

Nov 23, 2015 · It's a code that takes an analog input (music) and outputs information to led's connected to the digital outputs. But wait! There's more. This code also has build in smoothing, to give you a nicer visual output. The code is fully explained below, with notation at every line. Here's the Pastebin link if you want.

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Feb 14, 2025 · LED Music Spectrum Display Analyzer Stereo Audio Sound Level Indicator VU Meter. chinabest4u (1460) 99.3% positive; Seller's other items Seller's other items; Contact seller; US $48.79. Condition: New New. New. A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). ... Led Vu Meter; About this ...

This VU meter kit features switchable bar-graph / dot display and waterfall peak hold display that resembles the classic LED VU meter from the late 70's. Add this to your audio system for that extra listening enjoyment.