Thanks for taking the time to set this up. I'm very new to linux, and even newer to puppy. I followed your instructions using slacko 5.5 and it worked.
Your breakdown of steps was perfect, but to clarify for any other novices:
In step 2, there is no need to download jre before setting up the Musher0 script. Just download the script from the provided link, then run chmod as directed in the original directions.
The only other clarification:
When downloading the files:
***save the musher0 script to /root/my-applications/bin
***save the jre and arduino files to /opt (you can save them anywhere, but you will be directed to move them to these locations.)
Thanks again!