# DIY Arduino Analog style Stereo VU meter on I2C Oled displays

**URL:** <https://lookmumnocomputer.discourse.group/t/diy-arduino-analog-style-stereo-vu-meter-on-i2c-oled-displays/3769>\
**Category:** DIY STUFF\
**Created:** [July 14, 2021, 10:37pm UTC](https://lookmumnocomputer.discourse.group/t/diy-arduino-analog-style-stereo-vu-meter-on-i2c-oled-displays/3769 "2021-07-14T22:37:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Jos](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/jos/32/151_2.png) [@Jos](https://lookmumnocomputer.discourse.group/u/Jos)\
**Post date:** [July 14, 2021, 10:37pm UTC](https://lookmumnocomputer.discourse.group/t/diy-arduino-analog-style-stereo-vu-meter-on-i2c-oled-displays/3769/1 "2021-07-14T22:37:09Z")

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Found this and thought I’d share it:

 ![vu-meter_schematic](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/a/a979fd7c7a5fc445305dd54b549cabe53d698d3b.jpeg)

There is more here:

[![](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/e/a/ea782b22bf5216a205c2182bfed61713ea324ed8.jpeg "DIY Arduino Analog style Stereo VU meter on I2C Oled displays") ](https://www.youtube.com/watch?v=Wsuehxhob-c)

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**Author:** ![moscione](https://avatars.discourse-cdn.com/v4/letter/m/41988e/32.png) [@moscione](https://lookmumnocomputer.discourse.group/u/moscione)\
**Post date:** [July 15, 2021, 6:52am UTC](https://lookmumnocomputer.discourse.group/t/diy-arduino-analog-style-stereo-vu-meter-on-i2c-oled-displays/3769/2 "2021-07-15T06:52:23Z")

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I would at least add some protection to this circuit to avoid frying the pins of the Arduino, in case one forgets to turn down the pot 🙂 It might even be better to design this with a fixed potential divider. Like that, the meter is kind of calibrated.

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**Author:** ![analogoutput](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/analogoutput/32/29663_2.png) [@analogoutput](https://lookmumnocomputer.discourse.group/u/analogoutput)\
**Post date:** [November 9, 2021, 3:49am UTC](https://lookmumnocomputer.discourse.group/t/diy-arduino-analog-style-stereo-vu-meter-on-i2c-oled-displays/3769/3 "2021-11-09T03:49:02Z")

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> **[DIY Big Arduino VU Meter on 40x2 LCD Dispaly](https://hackaday.io/project/182518-diy-big-arduino-vu-meter-on-40x2-lcd-dispaly)**
>
> A volume unit (VU) meter is a device displaying a representation of the signal level in audio equipment.