Hello! I and my classmates are planning to build something for our practical exam for our arts and craft class. And we're amazed when we found your project on youtube (Amazing Color-Changing Acrylic LED Lamp!). We're planning to try to build it too, but we don't know any of the wiring stuff. Oh and also I don't find any WS2811-equipped LED strip that uses 5v (i only find 12v), but I found WS2812B-equipped LED strip that uses 5v (which should be supported by the Arduino Nano), my question is that okay? Does the code that you linked on the video support it? I search on google for the differences and I found that WS2812B can control the individual LEDs instead of a trio of a LED which is what the WS2811 does, does the code is okay with that? And thanks in advance! :)

Hi
I cannot get the system to work, I am only using one lamp for the moment. i am not getting any signal out of D2 on the Slave, I can see it sending and receiving a heartbeat. The serial port on the Master only shows the IP address.
Please can you give me some advice.
Thanks.

LED Master code was changed to 1 lamp.

#include <FastLED.h>
#include <ESP8266WiFi.h>
#include <WiFiUDP.h>
#include "reactive_common.h"

#define READ_PIN 0
#define BUTTON_PIN 1

#define NUMBER_OF_CLIENTS 1

LED SLAVE was changed as below.

#define LED_PIN D2
#define NUM_LEDS 120

#define MIC_LOW 0
#define MIC_HIGH 644

#define SAMPLE_SIZE 20
#define LONG_TERM_SAMPLES 250
#define BUFFER_DEVIATION 400
#define BUFFER_SIZE 3

#define LAMP_ID 1
WiFiUDP UDP;

hello, I programmed esp32, the blynk application communicates correctly but when I connect the LEDs to esp32, light up and remain white. can you help me please?
P.S. I used a 5v led strip

Arduino: 1.8.9 (Windows 10), Board: "Arduino Nano, ATmega328P"

In file included from C:\Users\Windows_Admin\Documents\Arduino\Mask_Animation\Mask_Animation.ino:2:0:

C:\Program Files (x86)\Arduino\libraries\FastLED-3.2.9/FastLED.h:14:21: note: #pragma message: FastLED version 3.002.009

pragma message "FastLED version 3.002.009"

                 ^

Sketch uses 14574 bytes (47%) of program storage space. Maximum is 30720 bytes.
Global variables use 2107 bytes (102%) of dynamic memory, leaving -59 bytes for local variables. Maximum is 2048 bytes.
Not enough memory; see http://www.arduino.cc/en/Guide/Troubleshooting#size for tips on reducing your footprint.
Error compiling for board Arduino Nano.

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When i have diffrent animation on the SD card and starts to switch through the animations on the Arduino when i get to the last file/ animation and trys to go back to the first one the Arduino freezes and the frame freezes.

Hey. I tried to recreate your project but got the following message in the serail monitor when being connected to the lamp:

Connecting to sound_reactive ...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Connection established!
IP address: 192.168.4.2
Sending heartbeat

Exception (2):
epc1=0x3ffe853c epc2=0x00000000 epc3=0x00000000 excvaddr=0x3ffe853c depc=0x00000000

ctx: cont
sp: 3ffefe40 end: 3fff0110 offset: 01a0

stack>>>
3ffeffe0: 000000ff 00000090 3ffeed28 40202b08
3ffefff0: 3ffeef2c 00000090 00000000 00000000
3fff0000: ffff0000 01c203ff 00000000 00000000
3fff0010: 00000009 38373635 3fff003d 40202c70
3fff0020: 3ffeed7c 00000090 00000090 00000000
3fff0030: 000000fc 00000004 3fff0090 3fff00a1
3fff0040: 40107340 3ffeef2c 3ffe8388 3ffeed50
3fff0050: 3ffef0e4 00000000 00000001 40107528
3fff0060: 00000044 00000000 00000000 3ffefff0
3fff0070: 0000005a 3ffeef2c 402037e6 3fff0af4
3fff0080: 3fff00a0 3fff0090 00000004 40203f6c
3fff0090: 00000008 00000008 00000008 00000008
3fff00a0: 00000001 00012fd1 3ffef0b8 3ffef0e4
3fff00b0: 3ffeed50 3ffe8388 3ffeef2c 40202d33
3fff00c0: 3ffe88a8 0104a8c0 3ffe88a8 0104a8c0
3fff00d0: 00000001 00012fd1 3ffef0b8 3ffef0e4
3fff00e0: 3ffeed50 3ffe8388 3ffef0b8 40202ebb
3fff00f0: 3fffdad0 00000000 3ffef0dd 4020404c
3fff0100: feefeffe feefeffe 3ffef0f0 40100958
<<<stack<<<

ets Jan 8 2013,rst cause:2, boot mode:(1,6)

ets Jan 8 2013,rst cause:4, boot mode:(1,6)

wdt reset

Meanwhile only two leds on the strip light up bright white. The button presses on the master don't seem to do anything.
Can you help me?

Hello, I ask for help.
I entered all the libraries and followed all the steps to add the hardware (espressife32) but I can't compile the code you wrote.
Could you please help me?

I enclose the list of errors shown by arduino ide.
ERRORS COMPILING ESP32.txt

Do you know any way to edit this so that you can enter characters into the color picker? I want to use 00FF00 then 009900, but when I try to restore back to 00FF00 I cannot unless I refresh the app and lose all frames. I suppose I could do all frames for 00FF00, then replace brighter colors in each frame with 009900, but this is sub-optimal.
Note: Figured out the last thing.

The name for this Arduino is (WHDTS D1 Mini NodeMcu 4M Bytes Lua WiFi Development Board Base on ESP8266 ESP-12F Compatible Arduino) and this is the amazon link https://www.amazon.com/WHDTS-NodeMcu-Development-ESP8266-Compatible/dp/B07G85FNMP?ref=pf_vv_at_pdctrvw_dp . I am currently getting this issue and I keep trying things that are not working. Any suggestions?
esptool v0.4.13-1-gf80ae31 - (c) 2014 Ch. Klippel [email protected]
setting board to nodemcu
setting baudrate from 115200 to 921600
setting port from COM1 to COM1
setting address from 0x00000000 to 0x00000000
espcomm_upload_file
espcomm_upload_mem
SetCommState call failed
setting serial port timeouts to 1000 ms
opening bootloader
resetting board
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
resetting board
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
resetting board
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
trying to connect
flush start
setting serial port timeouts to 1 ms
setting serial port timeouts to 1000 ms
flush complete
espcomm_send_command: sending command header
espcomm_send_command: sending command payload
read 0, requested 1
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed

Hi,
When I try compiling the led_slave or master this error occures. I included all libaries but I dont know what to do with the reactive_common.h. where do I have to put it so it includes it?
Thanks in advance.

Well, I mount everything, the connection between the esp32 and the Blynk app was successful, but if I move something (e.g. change primary color), it does appear in the serial monitor, but in the lights itself not. What should I do, or what could it be?
Thank you.

I think i did everything correct but the led strip doesnt do anything. When i plug it in and out it sometimes displays some colors but thats it. Can anyone help me?

I apologize for the formatting it was the only way i could find to copy the error codes.

The error codes are as followed:(for the master code):
In file included from C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_MASTER\LAMPS_MASTER.ino:1:0:

C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0/FastLED.h:14:21: note: #pragma message: FastLED version 3.003.000

pragma message "FastLED version 3.003.000"

                 ^

In file included from C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0/FastLED.h:65:0,

             from C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_MASTER\LAMPS_MASTER.ino:1:

C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0/fastspi.h:130:23: note: #pragma message: No hardware SPI pins defined. All SPI access will default to bitbanged output

pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output"

                   ^

C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_MASTER\LAMPS_MASTER.ino: In function 'void readHeartBeat()':

LAMPS_MASTER:116:28: error: aggregate 'readHeartBeat()::heartbeat_message hbm' has incomplete type and cannot be defined

struct heartbeat_message hbm;

                        ^

LAMPS_MASTER:122:57: error: invalid application of 'sizeof' to incomplete type 'readHeartBeat()::heartbeat_message'

UDP.read((char *)&hbm, sizeof(struct heartbeat_message));

                                                     ^

Using library FastLED-3.3.0 at version 3.3.0 in folder: C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0
Using library ESP8266WiFi at version 1.0 in folder: C:\Users\jenni\OneDrive\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.6.3\libraries\ESP8266WiFi
Using library reactive_common.h in folder: C:\Users\jenni\OneDrive\Documents\Arduino\libraries\reactive_common.h (legacy)
exit status 1
aggregate 'readHeartBeat()::heartbeat_message hbm' has incomplete type and cannot be defined

And for the slave code:

In file included from C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_SLAVE\LAMPS_SLAVE.ino:3:0:

C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0/FastLED.h:14:21: note: #pragma message: FastLED version 3.003.000

pragma message "FastLED version 3.003.000"

                 ^

In file included from C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0/FastLED.h:65:0,

             from C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_SLAVE\LAMPS_SLAVE.ino:3:

C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0/fastspi.h:130:23: note: #pragma message: No hardware SPI pins defined. All SPI access will default to bitbanged output

pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output"

                   ^

C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_SLAVE\LAMPS_SLAVE.ino: In function 'void setup()':

LAMPS_SLAVE:53:43: error: invalid use of incomplete type 'struct averageCounter'

samples = new averageCounter(SAMPLE_SIZE);

                                       ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:54:57: error: invalid use of incomplete type 'struct averageCounter'

longTermSamples = new averageCounter(LONG_TERM_SAMPLES);

                                                     ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:55:51: error: invalid use of incomplete type 'struct averageCounter'

sanityBuffer = new averageCounter(BUFFER_SIZE);

                                               ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:57:21: error: invalid use of incomplete type 'struct averageCounter'

while(sanityBuffer->setSample(250) == true) {}

                 ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:58:25: error: invalid use of incomplete type 'struct averageCounter'

while (longTermSamples->setSample(200) == true) {}

                     ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_SLAVE\LAMPS_SLAVE.ino: In function 'void sendHeartBeat()':

LAMPS_SLAVE:77:30: error: aggregate 'sendHeartBeat()::heartbeat_message hbm' has incomplete type and cannot be defined

 struct heartbeat_message hbm;

                          ^

C:\Users\jenni\OneDrive\Documents\Arduino\LAMPS_SLAVE\LAMPS_SLAVE.ino: In function 'void soundReactive(int)':

LAMPS_SLAVE:186:32: error: invalid use of incomplete type 'struct averageCounter'

int sanityValue = sanityBuffer->computeAverage();

                            ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:188:17: error: invalid use of incomplete type 'struct averageCounter'

 sanityBuffer->setSample(analogRaw);

             ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:192:14: error: invalid use of incomplete type 'struct averageCounter'

if (samples->setSample(analogRaw))

          ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:195:45: error: invalid use of incomplete type 'struct averageCounter'

uint16_t longTermAverage = longTermSamples->computeAverage();

                                         ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:196:28: error: invalid use of incomplete type 'struct averageCounter'

uint16_t useVal = samples->computeAverage();

                        ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

LAMPS_SLAVE:197:18: error: invalid use of incomplete type 'struct averageCounter'

longTermSamples->setSample(useVal);

              ^

LAMPS_SLAVE:27:8: error: forward declaration of 'struct averageCounter'

struct averageCounter *samples;

    ^

Using library FastLED-3.3.0 at version 3.3.0 in folder: C:\Users\jenni\OneDrive\Documents\Arduino\libraries\FastLED-3.3.0
Using library ESP8266WiFi at version 1.0 in folder: C:\Users\jenni\OneDrive\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.6.3\libraries\ESP8266WiFi
Using library reactive_common.h in folder: C:\Users\jenni\OneDrive\Documents\Arduino\libraries\reactive_common.h (legacy)
exit status 1
invalid use of incomplete type 'struct averageCounter'

Thank you in advance

Hi Nerd Forge i have a problem when using your led reactive code.It seem doesnot work like your video.cause Its only reactive to the sound of my finger tap on it.But not working on music.

Please help me.

Hi there! Great project, in fact I stumbled upon it at least a year ago and have been searching for it ever since receiving my individually addressable LEDs.

Would it be possible to modify the code to connect all the devices, both "Master" and "Slave" to the home WiFi? I ask this because I'd also like to implement some other WiFi controlled animations as well. I'm not super familiar working with network related code otherwise I'd totally be on board to help you out.

Thank you!

In SoundReactive2 project, inspecting the led_master.ino file its clear that user needs to define how many clients are going to connect this is needed just because you need to loop through their IP addresses which you are guessing by adding 1 to 192.168.4.1 good enough but lot of functions can be removed just by sending the packet to a broadcast address such as

255.255.255.255

But since there is no Arduino wrapper that supports broadcast address (However EspressIf OS has API for that) we can still use 192.168.4.255 (253 clients) or more by 192.168.255.255 that should work.

IPAddress ip(192,168,4,255);
UDP.beginPacket(ip, 7001); 
UDP.write((char*)&send_data,sizeof(struct led_command));
UDP.endPacket();

this should send the packet to all connected node this way there is no need to keep track on if any node is connected hanse waitForConnections, resetHeartBeats, readHeartBeat, checkHeartBeats methods can be removed, this will not only make project more easy to DIY but also this way there will be no need to modify any code on a master node if more clients are connected later on.

Is there any schematic how to connect all together. Tried it multiple ways but does not work.

sound_reactive.ino:1:21: fatal error: FastLED.h: No such file or directory
#include <FastLED.h>

                 ^

compilation terminated.
exit status 1
Error compiling for board Arduino/Genuino Uno.
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I use Uno R3 MCU Board DCC Version with CH340G Chip, when upcode is error as above

I'm hoping you can help me out here, in the soundreactive master code I get these errors when I verify the code. Its not the whole error message but its what looked important at the time. Any help would be appreciated.

#pragma message: No hardware SPI pins defined. All SPI access will default to bitbanged output

In function 'void readHeartBeat()': floor_lamps_2.0_master:116:28: error: aggregate 'readHeartBeat()::heartbeat_message hbm' has incomplete type and cannot be defined struct heartbeat_message hbm;

invalid application of 'sizeof' to incomplete type 'readHeartBeat()::heartbeat_message' UDP.read((char *)&hbm, sizeof(struct heartbeat_message));

exit status 1
aggregate 'readHeartBeat()::heartbeat_message hbm' has incomplete type and cannot be defined

Hi, Thanks for sharing all this info! Im loving the Book Nook Design and Im currently building one. Im super new to Arduino but learning. Do you have a wiring diagram for the lighting here? Id like to match yours to test, then start tweaking to suit my layout.

Any help is much appreciated!

Thanks!

Hello, i'm verry bad in arduino and i need your help, so i want to do the project with the LED and they give me a error message; error: FastLED.h: No such file or directory
i try everything but nothing changed, can someone help me please ?

Arduino: 1.8.9 (Windows Store 1.8.21.0) (Windows 10), Board: "DOIT ESP32 DEVKIT V1, 80MHz, 115200, None"

In file included from C:\Users\Alfinza SP\Documents\Arduino\nano\nano.ino:2:0:

C:\Users\Alfinza SP\Documents\Arduino\libraries\FastLED/FastLED.h:14:21: note: #pragma message: FastLED version 3.002.006

pragma message "FastLED version 3.002.006"

                 ^

In file included from C:\Users\Alfinza SP\Documents\Arduino\libraries\FastLED/FastLED.h:65:0,

             from C:\Users\Alfinza SP\Documents\Arduino\nano\nano.ino:2:

C:\Users\Alfinza SP\Documents\Arduino\libraries\FastLED/fastspi.h:110:23: note: #pragma message: No hardware SPI pins defined. All SPI access will default to bitbanged output

pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output"

                   ^

C:\Users\ALFINZ~1\AppData\Local\Temp\arduino_cache_380355\core\core_cbb7e869e3f9c843d6b130e7441b3c37.a(main.cpp.o):(.literal._Z8loopTaskPv+0x4): undefined reference to `setup()'

C:\Users\ALFINZ~1\AppData\Local\Temp\arduino_cache_380355\core\core_cbb7e869e3f9c843d6b130e7441b3c37.a(main.cpp.o):(.literal._Z8loopTaskPv+0x8): undefined reference to `loop()'

C:\Users\ALFINZ~1\AppData\Local\Temp\arduino_cache_380355\core\core_cbb7e869e3f9c843d6b130e7441b3c37.a(main.cpp.o): In function `loopTask(void*)':

C:\Users\Alfinza SP\Documents\Arduino\hardware\espressif\esp32\cores\esp32/main.cpp:14: undefined reference to `setup()'

C:\Users\Alfinza SP\Documents\Arduino\hardware\espressif\esp32\cores\esp32/main.cpp:17: undefined reference to `loop()'

collect2.exe: error: ld returned 1 exit status

exit status 1
Error compiling for board DOIT ESP32 DEVKIT V1.

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"Show verbose output during compilation"
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Button pin to change mode

• Microphone pin to read audio levels
• How many lamps will connect

Hola que filas hay que modificar, no entiendo mucho de arduino, gracias.

not work when i click in button on master controller to change modes.. color etc....

Can u help me?

Arduino: 1.6.6 (Mac OS X), Board: "Arduino Nano, ATmega328"

Warning: platform.txt from core 'Adafruit SAMD Boards' contains deprecated recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{build.path}/{archive_file}" "{object_file}", automatically converted to recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}". Consider upgrading this core.
Warning: platform.txt from core 'Leonardo & Micro MIDI-USB (arcore)' contains deprecated recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{build.path}/{archive_file}" "{object_file}", automatically converted to recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}". Consider upgrading this core.
WARNING: Spurious .github folder in 'Adafruit NeoPixel' library
avr-g++: error: missing filename after '-o'
exit status 1
Error compiling.

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Only thing I changed is NUM_LEDS from 150 to 60

I love your projects and having fun playing with it.
The app is amazing however it would be cool if i coud open and edit and exported .bin file in the app. Thanks

Hi all,

Hans, this was a great video, and a great summer project so thank you for that. I just got mine up and running today and I'm very excited! However, in sound reactive mode, the connection between master and slave drops every couple minutes, and the light goes back into the single green LED "waiting for connections" mode. It quickly reconnects after a few seconds. Did you/anyone experience this? Not sure if its badly soldered connections to the Wifi boards or if it's something else.

I will add that I am new to coding, and I only attempted this project because the code was already written.

Thanks for your help!

I noticed a permanent high level in the lights, also if there was no sound.

Figured out that this is not happen by USB connection to the Master. Struggeling a long time found the solution.
For Master i use a NodeMCU with 5V input, the 3,7 from Batterie was too low
Just add a step up converter between batterie and NodeMCU, tune it to 5 Volt and get to the 5 Volt input. Works fine now.

This is no issue but a Tip for others who build this.

i love the web application it's really smooth.
is it possible to save an animation as an image sequence. each frame has its own image like
animation[ 0 ].png
animation[ 1 ].png
animation[ 2 ].png and so on

I tried to use your code for a project with just 9 LEDs, but i don´t get an animation. The lights just flicker red "randomly".
The soundchip reacts correctly according to the led on it.
Any idea how to use your code for such a small amount of LEDs?

wean i open serial monitor this i get

ets Jun 8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0018,len:4
load:0x3fff001c,len:928
ho 0 tail 12 room 4
load:0x40078000,len:8424
ho 0 tail 12 room 4
load:0x40080400,len:5868
entry 0x4008069c

Hi, I soldered according to your scheme, changed only the number of LEDs, put the firmware and now my color has changed, but there is no reaction from the microphone, the sound is not detected and the lamp just lights up. Maybe you will have ideas how to fix it. Thank you in advance.

Any chance you can add a README.md file so we know exactly how this is supposed to be used?

When switching to fading mode on the sound reactive, sometimes it jumps to other colors