Cloud of fiber padding (the second one with audio analyser):
Very nice, what hardware did you use? And did you use an MSGEQ7 or an FFT library?
I used arduino pro mini + audio analyser MSGEQ7 DFRobot + WS2812 + IR remote
Good job, looks nice. any chance to share some pieces of code and or instructions details ?
@Michael_Varagnat Looks great - wondering where you got your MSGEQ7 chips. I ordered a few last year to try to add music reactivity to some projects but could never get them to work, and later through some research found that a lot of the chips out there were knockoffs and simply didn’t work…
@chad_steinglass Try this one. He also has a mono version of you don’t need stereo.
@chad_steinglass I used audio analyser DFRobot :
https://www.dfrobot.com/wiki/index.php/Audio_Analyzer_v2_SKU:DFR0126
I didn’t use microphone because the signal is too low and connected the chip to PC or MP3 player output. Also I added a pre-amplifier velleman between audio output and MSGEQ7.
@marmil Thanks Marc. Definitely more expensive than buying the chips individually. The chips are about $2 a piece on Aliexpress, and I have plenty of stock of caps and resistors to hook them up… but I guess if they don’t work then its a moot point how much less expensive they are! At the very least I will pick up one of these to test to see if my problems were coming from bad chips or whether there was other user error involved (highly likely)
@Christophe_Lallement I plan to make a project with 10 wireless clouds, so I still work on the code.
@chad_steinglass I tried $2 chips too but I had more noise than with the DFRobot audio analyser.
@Michael_Varagnat Thanks Michael. I tried the total DIY method last year, but never got it to work, and by biting off all the pieces at once (cheap chips, creating the circuits myself, using a cheap Electet microphone chip for input, etc) I couldn’t even zero in on where I was going wrong. I should go step by step with a more trusted MSGEQ chip, start with audio jack input instead of microphone, and learn to crawl before I walk 
Eventually the goal is to be able to use a microphone and good automatic gain to make a wearable that calibrates itself whether you’re standing in front of an art car speaker or just chilling at a house party!
You could use the MSGEQ7 board I used for my sound reactive hat.
https://oshpark.com/shared_projects/vmc2VOIa
You will want 2 100uf capacitors on the analog in for the microphone if you are using one.
This is the board i created for the ESP8266 to use with it and an AGC microphone
https://oshpark.com/shared_projects/L09B9Ger
Heres a demo of the hat and the module , which includes the github and description of what I used.
If you want me to remake the board for a different arduino module or a more streamlined version I’d be more than happy to customize it for you. (PS dont make the lumos board, It’s upside down)
@chad_steinglass Even with no microphone or audio input you should have some noise on your serial.print. Be care with audio output because some device don’t like short circuit. Also the MSGEQ7 analyse from 63hz to 16khz, most of microphone don’t have this band witdth.
Your goal is reachable step by step.
Bon courage l’ami.
@Tommy_Sciano - That’s awesome! good work. Very similar to what I’m working on putting together. I’ve been using 8266’s recently, so that board could be perfect. Did you find a good source of MSEQG chips? And the big caps on the analog in from the mic help to cut down on noise? I’m at work now so can’t delve too deeply into your video, but its the first thing I’ll check out when I get home.
Thanks for posting - I really appreciate it!
@chad_steinglass yes the caps do help on noise. I just bought the chips from ebay/china
@chad_steinglass I made this and it should work with any arduino board,
https://oshpark.com/shared_projects/5khRyYrx
the 5v And gnd pin on the left are for the MAX9814 gain control, which has built in AGC
@Tommy_Sciano Thanks - ordered a few (also ordered a few of the others last week) to test out!
@chad_steinglass just a heads up the PCB’s are upside down for the esp8266 one, I thought I mentioned that before, they still work like in that video I have, but it will just be a little funky to solder. I haven’t tested these PCB’s yet that I just made on oshpark, but I made them from the same Lumos board, just moved the ESP8266 connectors to its own header with pin names on it
@Tommy_Sciano Cool - thanks for the heads up. I’m not too worried about soldering and in the long run I might even want my mic and my MCU in different physical locations, so would be using wire anyway (MCU as close as possible to LEDs, Mic more exposed to the outside environment? we’ll see - will require a bunch of testing)
Looking forward to trying them out! And OSH Park looks super cool - and totally well priced! Such a great service and vendor!