These ebuilds come from https://github.com/aliceinwire/overlay.
If you have some problems, go to the official site first.
arduino : An open-source AVR electronics prototyping platform ( http://arduino.cc/ http://arduino.googlecode.com/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a aliceinwire
For Paludis use this rsync : rsync://gentoo.zugaina.org/aliceinwire-portage
If you have a problem : ycarus(-at-)zugaina.org