AudioReactive sometimes working sometimes not

I use eps32 38 pin cp2102 with microphone max4466. If turn off power adaptor and turn on, AudioReactive presents may stop working. The chance that it will work is about 50%.
What could be the reason and how to fix it?
Thank you!

hi @Neon_777 is the microfone in a good position to grap the sound NOT to Near overstering may block the lights

Max4466 is a bad choice for a mic. They tend to have too much noise. Best would be to switch to a digital mic, or if using analog to use a max9814.

Hi!
Do you mean - is the microphone close to the sound source?
I don’t think it has any effect, because when turned on, sometimes there is almost no sound at all, but the microphone doesn’t work.

Hi!
inmp441 is good?

Yes: Audio Reactive WLED - WLED Project Scroll down a little to “2. I2S digital microphones”

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