Noisy while running

mathias

Hi there,

Is it normal that the fire device is quite loud in operation i.e. it makes a high pitched beeping noise. I have another core2 and it is much quieter.

Is this normal or is there something wrong with my device?

Thanks for your feedback.

Regards,
Mathias

world101

It's common. Just search this forum and internet and you will see. My Fire is more noisy than my Core Grey. The Core2 is much more quiet (the audio circuits were redesigned in the Core2 hardware).

The way to quiet it some in software is to write a 0 to DAC pin 25, however, it doesn't totally silence it. some people's ears (like mine) can still hear some noise.
https://community.m5stack.com/topic/159/bug-analogread-35-beeps

There is a hardware mod if you care to do it on your device...
https://community.m5stack.com/topic/367/mod-to-programmatically-disable-speaker-whine-hiss

sodoku

@world101 did it also get louder for you using 1.7.1? I have a feeling it wasn't as loud with 1.7.0

mathias

@sodoku Not proved as I bought the fire some days ago and directly burned it with 1.7.1. Noise is not very loud but did not expected it as I own a core2.

sodoku

@mathias would you mind trying to flash 1.7.0 and see if it gets better?

world101

@sodoku

I just tested both on the same Fire hardware device. v1.7.0 is more quiet than v1.7.1. Not totally silent, but there is a regression when flashing v1.7.1 (it's more noisy).

sodoku

@world101 said in Noisy while running:

quiet

Thank you for testing. Good to know it's not only me 😂

I wonder what the reason is. Do you think we should add a post in the bugs section?

mathias

@world101 Ah, thx. Will have a look.