Your page says "See here for a list of support we’ll provide" from

http://blogs.nokia.com/pushn900/inde...ubmit-an-idea/

"here" is not a link so I assume you are vagrants as there is no visible means of support?

My n810 is talking to my arduino (via bluetooth!) already:

http://forum.sparkfun.com/viewtopic.php?t=17018



7-segment since the cpu/graphics are more limited.