Compiled play_mp3_control and get no sound output at all and the following warning on the monitor:

I2S: APLL not supported on current chip, use I2S_CLK_D2CLK as default clock source

I'm running on a Korvo S3 v 3.1 and I followed this guide

https://espressif-docs.readthedocs-hosted.com ...

This is what I've been up lately

Up to sixteen simultaneous voices using the two cores at 90% usage

https://youtu.be/SZelCfDm-FU

Hello, just got two Korbo Boards. To my surprise all pins seem to be already allocated. What's the purpose of test points? Is there an easy way to add another (stereo) DAC?