This is my second midi gameboy, i built it to be sold
this gameboy has a built in Arduino boy, designed by Trash80,
this demo shows it working with MGB again designed by Trash80,
and here is a build blog:
http://chipmusic.org/forums/post/1261...
and
http://8bitcollective.com/forums/view...
it has both midi in and midi out and supports midi thru
SORRY FOR THE CRAPPY CAMERA IF IT SELLS WELL I WILL BUY A NEW ONE!