Scott your ability to explain things clearly and in an interesting way is brilliant. I'm so looking forward to building this and adapting for a project for my son. Thanks so much for posting your Arduino videos on KZfaq.

Creators like you is what youtube is for. So helpful and informative 👏 many thanks and much love!

Fantastic video & information. I've tried a few different sound projects and this is by far the best, thank you for posting.

Great video! I’m new to arduino and have been looking to take on a fun project like this. Thanks for including so many details.

Thanks for all the work you did on this video. Worked on the first try. Great project for my electronics class. Thanks.

Sent over to you by Cine-lights. Subbed. Great work on this and your other projects!

Hello engineer, this is what I am looking for, I thank you for sharing the code and circuit diagram, I wish you all the best and a happy life👍

Excellent video, really changed my understanding and the project looks great. Thanks and enjoy the coffee

YES! FINALLY! A project with an actual line in jack, and not a microphone.

Thanks for the great video. Very well explained!

Nice Effects explained very well 😍😍👌🏼👌🏼

Thank you very much Scott, I found this video full of useful information. I am hoping for making good product out of it on my channel, will definitely give credit to you.

This is a really great video! I'm using your info here to build an LED lantern/bluetooth speaker with VU meter effects. One minor correction: You need to download the FastLED library too, before you can compile this sketch.

Hi Scott - thank you for publishing this project, it's been a lot of fun to build. I've added a 1602 LCD panel to display the current pattern and sensitivity setting. I do notice some noise in the audio when the volume is turned up, especially when all the lights are activated. I do have a single 1000uf 16v capacitor spanning the power supply's +5v and ground, so maybe that's as good as it gets. Fortunately the audio volume covers up most of the noise! I'm planning on releasing an Instructable article showing the case and diffuser I've designed, I'll send you a link here when it's done.

Great tutorial, Very clearly explained. Thank you.

Most excellent! Very well done.

Tank you for this great project. I just built it and its awsome.

Sir, this is very helpful.

Thanks for all this information you've shared Scott, it's extremely helpful. I'm looking to modify this for my use. My setup is 14 columns made from a single LED string in a serpentine arrangement. Any hints on modifying this code for my situation?

You are a hero 🥺😭🔥🇩🇪

Great tutorial. Does this code work with the mic input too?

Hey man, thanks for the great vid, I'm new to arduino and am wondering if it's possible to adjust the sensitivity of the individual patterns? Most of them work well but 2 seem to be too sensitive and just max out. Thanks man

Hey Scott.. great job, hope your well during these rough times. Thanks for the comments and also the links.. much appreciated. one of the comments was volume and brightness control, which is quite spooky as it is the second most request on my channel, so its my next video. its vu meters only, again part of the request. code is done, 80% of the video is done - i just need to find the time to video it working.

Great video, I would like to know where I change the duration time code in order to hold the peak time and also if possible to make the audio input more linear because the adjustment in the audio potentiometer is logarithmic and non-linear, a little stirring in the potentiometer already increases or decreases the sensitivity. I would like to have more control over the input range. thanks.

Great upload Scott. Well explained and thank you for sharing. Another project to put together during Covid-19 isolation. I have also been following the Cine-Lights projects over the years and did notice one of the codes you helped to edit (Second edition I think). Both of you have been doing great work I do have a question - how difficult would it be to edit this code to include a seperate brightness and volume sensitivity pot? Thanks again

Thank you very much for sharing this example! I am trying to use your circuit to detect if music is playing and flick a relay accordingly. Unfortunately when I try to determine this, from the analogRead() of one of the channels I receive only unsteady changing values between 400-600, even though the music is stopped. Do you have an idea on how to approach this or where my mistake is? 🤞

soo cool

Thanks for this video , it is very detailed and explained well . Am sure this is pretty easy for anyone to remake. Do you think this would work with an attiny85

input audio is simplistic enough. wonder if this would also work with just 1 channel only and shrinkified ☺

You’re fantastic Scott! I was able to create this during lockdown, thanks for so simplified steps and explanation. However I was trying to hook up 144 LED strip for each channel; it works but looks bit sluggish because of slow reaction speed and also almost 50 LEDs remain ON if there is no sound. I tried to tweak values but no luck:( It will much appreciates if you guide me to rectify these problems. Many Thanks!

Just what I wanted Scott loaded to my Mega 2560 no problem, building a couple of towers for our outside broadcasts on Hospital Radio. Thanks.

Hello, Thank you very much for that wonderful guide to make the ws2112b sound reactive. It was very easy to understand. I am very excited. But I have a question. I am currently rebuilding your great instructions and have already had success with the function. I'm not familiar with C++, but programming logic makes sense to me. I would now like to expand your program to include additional points (two more buttons). For this purpose, a second and later also a third button should be integrated into the program. When the Arduino starts, only the bottom pixels should light up red (like standby). If button 1 is pressed, the stripes should be a subtle ambient lighting (without reacting to music or noise), ideally different scenes by pressing button 1 again. I want to do this with different shades of white. If button 1 is pressed for a long time, the program jumps back to standby (only lower pixels red). If button 2 is pressed, then different lights with different colors should be selectable (similar to the functions/presets of a Stripe remote control) Button 3 should do everything, as usual, with sound (your program). Is it complicated to create this skeleton of the program? Is there possibly something that works according to this principle? I would do the pixel programming and ambient lighting myself later. But it would be cool if I could build on an existing concept. Do you have any tip for me? I would be very grateful

Thanks a lot!! very good job. it worked fine on an arduino uno, but still got some bugs with the mega2560. if you have advise that would be cool. thanks again.

Did this voltage shift also Work with 3.3 volt instead of 5V? Because I Plan to use this project on an esp8266. I read that the Max output volt from the head Phone Jack is around 2 volt...

Very informative- Thank you. I am looking to build similar with 20watt ws2811 spotlight operating at 12vdc- How does this change schematic with arduinio at 5vdc ?

Hi Scott, great info. My question is do you have a tutorial or KZfaq on how to use the arduino fht? I don't know how you got the audio into frequency's. I am working on a project to fix an old incandescent color organ upgrading to neopixels. Thank you for any help you can provide.

Hello, great project. What type of audio jack did you use? Thank you

Mr Manley, do you have a way to set this up using a 3.3v mic board instead of line input? been trying just about every sketch i can fine with no real luck your is beautiful just wanting mine portable 2x 30 led strip vertical on tv stand for effect

In the picture with the breadboard are the capacitors at the Audio Jack one of these is turned.The minus pole is once down and once up is this right? Sorry for bad english

4:20 ". . the whole of this repository . ." sounded a lot like ". . the whole of the suppository . ." I had to rewind to check! 😄 😁

Mr Marley, a while ago I tried this project on a breadboard. It worked fine! But a couple of weeks ago i discovered that you also added a pcb on your github page with the code. So I ordered the pcb from jlcpcb. Tonight I tested it. The switch doesn't work. I think there's a fault in the pcb. The d3 pin should be pulled down to the ground with a resistor. But on the pcb the d3 is connected on the ground with a resistor permantley. And if you push the button the ground and d3 get connected to 5 volts. If I power the pcb, the vu's work and autopatterns. But no reaction on the switch. If I remove the 10k resistor from the pcb and I put a cable on d3 via an resistor and switch to ground it works perfectly. Could you check? Or is there something I have to change in the sketch? Greetz from holland

Please make a video about the code walkthrough of the vu meter

If I were to just use one LED strip (300 LEDs), could I go for the stereo false alternative? Do I need to any other modifications to the circuit or code?

verry nice, how much is the maximum watts of audio in ? or is it a line signal before the amplifier?

If I wanted ro use more LEDs, do I have to change the condensators? Sorry for bad english and not knowing this, but Im pretty new to this electronics stuff. Thanks!

Question: other similar projects rely on a Graphic Equalizer Display Filter (like Msgeq7). Is there any disadvantage to not using this additional chip?

Quick question, Scott. I can't figure out the polarity of the 10uF capacitors. The fritziing diagram seems to have each oriented different but I assume they should be the same and I'm not sure which way.

Hey, quick question, which kind of Audio jack did you use?

Hey Scott, Would you help me to remove that EProm section from the code? It would be so much helpful Hoping for a reply

I'm making something similar and I am struggling with getting an audio signal to the analog pins. What did you use as your signal source? A mic or a speaker?

Nice job. CineLights projects have inspired lots of people myself included. ;) Using the EEprom to store the button state is a good idea even given the limited write cycles available ..I think the '100k' write cycles should be enough for many years ...and the nano's are soooo cheap. nice github repo. very nice explanation in the video. The mic I prefer and use is the ADMP 401 mems mic's as they have a much much lower noise floor. I see you 'found' the answer to using a nano was to reduce the samples from the original 60 to a lower amount ....I found there is a limit though the lower you go the more 'twitchy' the resulting vu visuals are....have you seen this ???..just wondering if it my cheapo nano's have you thought of mapping the multiplier of the lvlRight/ lvlLeft variables using a pot attached to an analog pin for crude 'sensitivity' adjustment without editing the code each time...(using a mapped variable instead of the 7 multiplier) I know this works on Cinelights original code as I've done it. every so often I come back to making a vu meter for fun. you're link to Cinelights doesn't seem to work so try this kzfaq.info/love/OG6Bi2kvpDa1c8gHWZI5CQvideos

what library are you using?

Dear Sir, Thank you for the video and editable codes.. I made one with UNO, and is working fine.. Only issue is that the VU meter seems to be reacting upside down..! With every hike in bass/high input the number of led's glowing comes DOWN..! Is it not supposed to be the other way around..? clearly visible with VU4 & 40 led's per line Plz guide..

cool, im guessing the C1/C2 are electrolytics with the + towards the audio jack?......thanks .

hi, really good job really. I wanted to know how to eliminate the other modes to only use vu 6 would you help me a lot

Dear Scott! I Build the vu meter and works fine but I have a question: the c1 and c2 capacitor polarity in the build picture is c1 negative towards to jack and c2 rotated 180 degrees my question is why? And the connection is right or not? I build with vubeardboard.png but in the schematics picture does not indicate the c1 and c2 polarity. Please answer to me the right connections. Many thanks

I am using a 16x16 led sheet, total 256 pixels. if I set the pixels to 256 nothing happens, if I set it to 255 everything works great apart from that last pixel. Is there something else apart from N_PIXELS that I need to change to get that last pixel to work? Thanks

Hello, can you also use Arduino mega and a micro for this project. Greetings Lutz

great job! please specify, with type are the capacitrors? electrolitics? it is unclear...sorry for my english...

I are you sure you need to send the MAX4466 output through cap and voltage divider? It seems to oscillate around 512 (511?) when I do an analogRead directly.

Hi Scott! I tried your project but unfortunately I discovered too late that you have the connections to the LEDs reversed and fried my stuff. Maybe you can fix that so no one else has the problem. I'm looking forward to trying it again when my new parts arrive.

Question..using an adruino is there latency? I'm not sure if it's lag in video/sound, but the few VU meters i have looked at a few, and all seem to be delayed a bit compared to the video.. Is it me or is there a bit of latency ?

sir scott, can this circuit and program (codes) applies to different audio frequencies to achieve a spectrum analyzer. if possible please inform how to do it. thanks

Super project :-) is the code also available for 60 Led's ? How to buy the "Audi Jack" - I can't find it in the internet ?

Is it possible to use it on a ESP32? Great work!

How could it be modified to use the computer's audio via USB connection Thanks

Hello, such a valuable and inspirational project. I made some changes and reslised it ,then I combined your project with esp01. I can control the modes via my phone wirelessly. Can I share the project in my social media.

Hi. Is it possible to use KY-037 on place of MAX4466?

我想用麦克风接收音频信号可以吗？Can I install a microphone on this to receive audio signals?

Rather than using a hard coded value for centering as you have (and I used to use): n = abs(n - 512 - DC_OFFSET); // Center on zero I've since started using an auto-leveling function at github.com/atuline/WLED/blob/master/wled00/audio_reactive.h on line 104 That micLev variable needs to be a float or you'll have some nasty rounding errors. This allows you to support multiple types of microphones/inputs without having to worry about the signal center. As for the Nano, I was able to get the Open Music Labs FFT/FHT library running on that back in the day, so you could get a LOT more than the 7 frequency bins what the MSGEQ7 provides. . . and no extra hardware required. These days, I'm using the ESP32 with WLED and support INMP411, INMP441 (digital), MAX4466, MAX9814 and line-input.

Do you have the ability in code to split it into more channels? I am having a hard time piecing code together for a nano. I know memory is an issue but if i limit it to say 7 bands and 10 leds per band(70) , should still have plenty of memory i think

Great video, but unfortunately it doesn’t work for me. Works only with mic . Audio jack does not work. What could be wrong ? Thanks.

how change effects with buton ?

Hi Scott. Can u please show us how to adapt your code for esp32? Please. Thanks in advance

That will work also in 3.3 v boards? Esp32 is very powerful and also have Bluetooth and wifi. I think you can get extra options for control. I guess I have to change that voltage devider resistors? You have any suggestions? Thx.

how to edit code if i just use 1 stripe led and 1 chanel left or right ? , im so bad at code

yes

hello can i do this with an arduino uno

thanks for this very helpful can you also upload the actual photos to follow for people like who cant read schematics thank you GOD Bless

Hey Scott. Im trying to build this in my Arduino UNO but it isnt working. Im new to this so i dont even know what the problem is. Any help would be appreciated!

what is the voltage of the capacitors?

can you make it work on esp8266 also?

your setup is single channel?

When I try upload the code I am getting "serial was not declared in this scope" in each case. case 0: if (modeBtn.wasReleased()) { Serial.print("Short press, pattern "); Serial.println(buttonPushCounter); incrementButtonPushCounter(); autoChangeVisuals = false;

Hello sir, its saying error compiling for board arduino uno, please help me

I have a couple of Nanos with ATMega168PA and unfortunately your code is too big for it :-\ However, great tutorial.

how can i use this code mega 2560 ?

I want to make a VU meter with 5meters of 60 led per meter I have ws2812b addressable and 3 Arduino uno

Hi. I tried to compile the code it is showing error. Not compiled

hallo sir...pls share detail component list in description....thnk

Sir Vu meter coding android phone You Do plz

nice job . but it didn't work . " rename it Uno_vu_line. I also forgot to mention in the video that you will need the FastLED library, along with JC_Button library." it's done There is this error massage; " In file included from C:\Users\Umit-PC\Desktop\vu\Uno_vu_line\Uno_vu_line.ino:5:0: C:\Users\Umit-PC\Documents\Arduino\libraries\FastLED/FastLED.h:14:21: note: #pragma message: FastLED version 3.003.003 # pragma message "FastLED version 3.003.003" ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from C:\Users\Umit-PC\Documents\Arduino\libraries\FastLED/controller.h:9:0, from C:\Users\Umit-PC\Documents\Arduino\libraries\FastLED/FastLED.h:47, from C:\Users\Umit-PC\Desktop\vu\Uno_vu_line\Uno_vu_line.ino:5: C:\Users\Umit-PC\Desktop\vu\Uno_vu_line\vu9.ino: In function 'soundtun()': C:\Users\Umit-PC\Documents\Arduino\libraries\FastLED/pixeltypes.h:169:17: warning: iteration 17 invokes undefined behavior [-Waggressive-loop-optimizations] r = rhs.r; ~~~~^ C:\Users\Umit-PC\Desktop\vu\Uno_vu_line\vu10.ino:43:23: note: within this loop for (int i = 0; i < N_PIXELS; i++) { C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.39.0_x86__mdqgnx93n4wtt\hardware\arduino\avr\cores\arduino\main.cpp: In function 'main': C:\Users\Umit-PC\Documents\Arduino\libraries\FastLED/pixeltypes.h:169:17: warning: iteration 17 invokes undefined behavior [-Waggressive-loop-optimizations] r = rhs.r; ^ C:\Users\Umit-PC\Desktop\vu\Uno_vu_line\vu10.ino:43:23: note: within this loop for (int i = 0; i < N_PIXELS; i++) { ^

Can you please make these controllers in china for cheap lol

ITS NOT WORKING FAKE VIDEO