INMP441 won't work - Audio Source 99%

Issues
1

Hello everyone,

I am currently working on a project with audio reactive WLED. I am using the latest version (0.14.4). I have installed the following hardware:

-ESP32
-INMP441
-WS2812b (864 leds)
-Power Supply 5V, 60A (Type: S-300-S)
-level shifter
-jumper cable

I wired the INMP441 as shown in the wiki
Gain: 60, Squelch: 4, AGC: Normal
I have already adjusted the gain, squelch and AGC values, but it didn’t help

I have now set up the whole project provisionally. The normal functions of WLED work well. But when I select an audio reactive effect, the LEDs all light up wildly, as if the microphone is already sending signals to the ESP32. But the room is absolutely silent.
I have seen in the Info tab that Audio Source is always at 99% (see picture). I am relatively sure that this is the problem. However, I don’t know what I have done wrong and how I can fix the problem. I have already tried shielding the power supply, but it didn’t work.

Edit: I’ve just saw that i just have 8FPS. could this be related to the problem?

Does anyone know what the problem could be? I am glad for any help

Thanks for any help!

Greetings Manu16

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3

Thanks for your reply Jack. I will try out your suggestions over the next few days and get back to you.

But I still have two questions about your suggestions:

  1. what is the best way to shield the power supply unit? Is there an easy way to do this?

  2. what is the best way to test the INMP441 outside of WLED? So that I can be sure that the microphone is working properly

Thanks

4

Hi @Manu16,

I think you’ve been spammed by a bot on the forum.
The user @jack1999 has been posting rather generic boiler plate replies to a raft of messages.
There’s very little new content in their replies, but they always include a spurious link to an un needed website.

As to a solution for your actual problem, I’ll have to let someone else respond as I’m not an expert in the SR side of WLED. :frowning_face:

Hopefully the Mods will deal with these nuisance posts, quickly.

5

Hey @divsys

I just saw that he wrote in almost every post…

Thanks for the information

6

I have been having the same issue, with a different microphone though. Having eventually spotted it in the docs for MoonMod fork, I wonder if it’s an issue with using the L or R channel for stereo mic? Just a hunch, but I saw in the docs that they always use the Left channel, and I ordered my test boards wired up to the Right channel :man_facepalming:

7

The problem has been solved. The error was in the wiring…:sweat_smile:

I connected the L/R pin to ground, I thought, but it didn’t make proper contact.

Thanks