LED VU Meter using LM3914 and LM358. Published September 2, 2019 20. ... The circuit diagram of the VU meter is show in below figure, Working of VU meter Circuit is simple; at first MIC picks up the ...

We are building a mono input VU meter in this project. You can build one pair to use them in stereo mode. Input sensitivity is about 1 Volt rms, up to +6dB. You can adjust the input amplitude by using ...

Circuit Diagram - LED VU Meter. The circuit diagram of the LED VU meter is very simple and easy to understand. If you look at the pinout of the. LM3915 is a digital IC that is used to create a visual ...

The VU meter is calibrated in volume units that are numerically equal to the number of decibels above the reference level. The circuit is conventional To turn on the LEDs at different audio levels, ...

Unlike other devices, this meter doesn’t require a physical connection between the audio source and the circuit. Wireless VU meter circuit. Circuit diagram of the wireless VU meter is shown below. It ...

This is a schematic and PCB I've designed for stereo LED VU meter bars to be mounted in my turntable. It is based around the logarithmic variant of the LM3914, the LM3915, which thus works well for ...

1-32 — elektor january 1981 the big VU meter ... Many designsfor digital (LED) VU meters have found their way into the pages of Elektor in the past. This type of meter is normally used to monitor ...

Most of the analogue audio media, including radio broadcasting, stick within 60 dB dynamic boundaries. This VU Meter was designed to be used as a desktop instrument with home audio appliances, so it ...