WLED audio reactive with i2s microphone

Questions
1

Hello,
I plugged an i2s microphone like this on an ESP32:
SD → io 22
WS → io 5
SCK → io 21
I activated Audio reactive and configured wled as below but nothing happens, no LED reaction.

IMG_5377
IMG_53771170×2532 212 KB

Thanks again for your help.

2

Better if use standard pins for audio usermod.

3

What are the standard pins for audio mods?

4
5

Hello,
Thank you for your reply. If I reset my eps32 and do as in the video below, should it work?

6

its a chris maher video, so probably no. most stuff he does is incorrect.

1 Like
7

What’s the best way for me to connect and configure an i2s on my ESP32?

Thanks

8

do not use dupont wires if you have any problems, they are unreliable: use soldered wires.
try this:
https://mm.kno.wled.ge/WLEDSR/Digital-Microphone-Hookup/

9

Hello,
I’ve started from scratch. I reinstalled my ESP32 and soldered the i2s on the default pins after installation (32,15,14). The L/R of the i2s is soldered to ground. The i2s is an INMP441.
I activated AudioReactive in WLED and rebooted by pressing the Reset button. There is no reaction with the sound.

Here’s my configuration:

IMG_5381
IMG_53811170×2532 254 KB

10

I have a question about my problem. Is my ESP32 (ESP32-WROOM-32S) compatible or powerful enough for AudioReactive?
My ESP32 is this one:

https://fr.aliexpress.com/item/1005006456519790.html?spm=a2g0o.order_list.order_list_main.45.34785e5bClX0B6&gatewayAdapt=glo2fra

Thanks

11

yes, its powerful enough.
Either your config is still wrong (wrong pins set), your wiring is not good or your microphone is broken.

image
image727×508 116 KB

12

the wiring is good, I’ve soldered pins D32, D15, D14.
I’m going to order another I2S to try it out.

Thanks

13

you are missing my point. look at the picture.

14

I think I’ve figured it out, I soldered the i2s on pins D32, D15 and D14 and set up Wled like the capture in the post above. Did I miss something in your picture?

Thanks

15

on your board, are the pins exactly like that? numbering and all?
use a multimeter to check if all GND are actually GND. there is a lot of bad clones.

16

Tomorrow I’ll make you a diagram of my set-up and we’ll talk about it.

17

Hello,
here is my schematic and configuration.

led projet
led projet1920×1357 154 KB

IMG_5381
IMG_53811170×2532 254 KB

18

that looks right. so either broken mic or bad connection, assuming you triple checked GPIO numbers and GND connections.

19

ok thanks for your answers. I’ve ordered another INMP441, I’ll test it tomorrow.

20

Hello,

Happy New Year to all.

I haven’t changed my I2S yet but in the wled info I see that it is marked quiet is this normal?

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IMG_53831170×2532 296 KB