Ted,
Ok, it seems you had the audio library issue, now taken care of by that
file.
I'm not too familiar with the Arduino and how it connects, so I'm not much
help there. But if the other pc is able to do it, we need to look at the
connection details for that on both computers.
-Ken Cameron, Member JMRI Dev Team
www.jmri.org
www.fingerlakeslivesteamers.org
www.cnymod.com
www.syracusemodelrr.org
Ken Cameron