Digital UV-meter, With OLED Display. Arduino Project for Beginners

Video demonstration (English subtitles).

Hello, instructable. Today I will tell you how to make a simple digital VU meter (sound level meter) using Arduino and OLED displays and 2 resistors by yourself (DIY). The device is quite simple, for beginners it will be a rewarding experience.

Step 1: Components for This Arduino Project:

1. Arduino Nano V3.0;
2. 0.96 inch IIC I2C 128X64 OLED Display;
3. One 10K, resistor(R1 no scheme);
4. One 10K-100K potentiometer(R2no scheme);

5. Wires.

Step 2: Device Circuitry

As you see the scheme is extremely simple, every novice will make.

• Resistor R1(10K) it is necessary!
• Potentiometer R2 may have a nominal value of 10K up to 100K.It is used to adjust the sound level.

Step 3: Source Code

ArduinoVuOledMeter.ino - all this - the mathematical magic.

display.c - BMP-file to convert to an array of points. It must be located near the ArduinoVuOledMeter.ino.

Step 4: Enjoy

Created by Techn0man1ac.

P.S. If you want a stereo version - make two identical devices.

Comments

[stievenart]

Nice job hacking the header off my project and posting as your own.

See: https://www.youtube.com/watch?v=rda-LA9GIMo
and: https://forum.arduino.cc/index.php?topic=403234.msg2773633#msg2773633

[techn0man1ac]

I have indicated a link to the source in the program listing

[stievenart]

Not good enough, change the download .ino file.

[techn0man1ac]

I used another library for the display, in my opinion the code works faster with it

[Penolopy Bulnick]

Hi,

If you feel this author has violated your copyright, please file a claim according to the instructions found here.

Best,
Nicole
Community Manager

[techn0man1ac]

(c) https://forum.arduino.cc/t/analog-vu-meter-i2c-oled-sh1106-oledmeter-animation/388374

[DanielL205]

I will give it a try , look really nice stuff, as soon i have the parts

[techn0man1ac]

Cool

[ashish.gupta1]

I got this error:

In file included from C:\Users\02385\Documents\Arduino\ArduinoVuOledMeter\ArduinoVuOledMeter.ino:13:0:sketch\OLED_I2C.h:79:42: fatal error: hardware/avr/HW_AVR_defines.h: No such file or directory

[techn0man1ac]

In my version of Arduino IDE 1.6.9 everything works fine

[Lance_Tronic]

I have been looking for useful projects to do with my bunch of OLEDs, and this will fit the bill. Thanks for the instruct-able..

[techn0man1ac]

Enjoy

[kolkoli]

good one.i always look for some good Vu meter project. can u make a bar type Vu meter project.??

[techn0man1ac]

Yes, if you have a bar type of the scale size of 128 by 64. But you can do it yourself using Image generate V2.004:
http://alex-exe.ru/programm/image-generate/
This is my favorite program.

[kolkoli]

thanks for your reply and sharing the effective link.

[techn0man1ac]

You are welcome

[techn0man1ac]

Test1:

Test2:

https://vimeo.com/222060213

[rafununu]

Is the floating image due to the camera or is it real ?

[techn0man1ac]

Flicker of the display with an eye unnoticed

[arthur_muh]

Thanks dude!!! i was searching someting about that to use in my micro-system!