ajs124 [1] filed a orphan request for gnoduino [2]: Flagged out-of-date since 2014-03-11, there is a new upstream version and it depends on old/replaced packages according to comments.
[1] https://aur.archlinux.org/account/ajs124/ [2] https://aur.archlinux.org/pkgbase/gnoduino/
