I've been working with the rMp3 shield from Rogue Robotics for most of the day, and I'm pulling my hair out over one thing. I'm running the example code located here:
http://www.roguerobotics.com/wikidocs/projects/rmp3/spectrum_analyzer_demonstration#full_source
However, I don't have an LCD so I am instead routing the output values from the spectrum analysis array to a line that says serial.print((int)v[i]) and looking at the resulting intensities over time.
Other than this print command, I have made only one other change to the code. I cannot get it to run with a baud rate of 38400, so I had to run rmp3_s.begin at 9600. If I change the serial rate to anything other than 9600, the shield will not sync, and so I can't even play the music.
Logically, I should see the decibels that are associated with each of the frequencies, right? Instead, I get nothing that's even slightly associated with the values. I do get values and they do change, every once in a while.
Is this the right way to look at the simple output of the system? How important is the baud rate for this? How do I get it running for a baud rate higher than 9600? I'm just looking for the values to change if the music changes, and I'm not even getting that.
Thank you,
dcellucci