ARDUINO™ at Wikipedia
To take a look at my Arduino™-based "Nixie-tube clock" orto download some code related to that project, please follow this link.
Here you can get some information about my WSPR-beacon based onthe DDS AD9851(50), a project not only interesting for radio amateurs.
"Astro-Clock", a GPS-controlled alarm clock for your bedroom.
A GPS-controlled living room clock displaying time, date, in- and outdoor temp.
To view and download some general purpose libraries please follow this link.