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

The VU meter is a circuit for an indicator of the audio signal strength. The VU meter circuit is usually applied to an amplifier circuit so that the level of audio power can be determined by certain parameter settings which will be displayed in the form of light from the LED.

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2024年12月10日 · 我们还建立了一个音量计或VU计，在MIC， OP-AMP和LM3914的帮助下，根据声音的强度发光LED，如果声音低，较小的LED会发光，如果声音高，更多的LED会发光，最后检查视频。 VU仪表还可以作为体积测量设备。 我们可以将音量计视为均衡器，它存在于音乐系统中。 其中我们可以看到灯光 (LED)的舞蹈，根据音乐，如果音乐是响亮的，均衡器达到其峰值，在低音乐它保持低。 我们还建立了一个音量计或VU计，在MIC， OP-AMP和LM3914的帮助下， …

2024年1月17日 · 在其中我们可以看到根据音乐跳舞的灯光 （led），如果音乐响亮，均衡器会达到其峰值，而在低音乐中它会保持低电平。 我们还构建了一个音量表或VU 表，在 MIC、OP-AMP和 LM3914 的帮助下，它根据声音的强度点亮 LED，如果声音低，较小的 LED 会发光，如果声音高 ...

2022年7月14日 · Here are LM3914/LM3915 VU meter circuit projects. They can display with 20 LEDs on stereo, or mono with 10 LEDs for all audio system. Also, we can easily build and cheap. We will be happy when use them. Do you believe it or not? I have seen VU meters for more than 40 years. Until now, it is still very popular. Why is that? Read below.

Volume Meter (VU) is an indicator or representation of the intensity of sound level over LEDs and can also serve as a volume measurement device. This time we are building VU Meter using Arduino and taking the audio input from 3.5 mm jack, so that you easily provide audio input from your Mobile or Laptop using AUX cable or 3.5 mm audio jack.

2024年3月14日 · In a LED VU meter, the audio signal is typically passed through a microphone sensor to measure its intensity or volume. This measurement is then translated into a visual representation using light-emitting diodes (LEDs). multiple LEDs are arranged in a row, with each LED corresponding to a specific level of the audio signal.

2021年12月19日 · There are numerous different uses for an LED VU meter. They are used as power meters on amplifiers. They can be utilized with mixers, preamps, and other applications where it is critical to know the signal level. We can consider the Volume Meter as an Equalizer, which is available in the Music frameworks. We can see the moving of lights (LEDs)

2024年1月2日 · 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.