can you write a code where you launch a Sound in the setup and then in the loop just print messages you get and see if there is an impact?
I don't think the DFPlayer is sending lots of data to the Arduino so you should not have interrupt conflicts
can you write a code where you launch a Sound in the setup and then in the loop just print messages you get and see if there is an impact?
I don't think the DFPlayer is sending lots of data to the Arduino so you should not have interrupt conflicts