OSEPP 101 - Arduino... an Electronics Prototyping Platform.
"OSEPP is a brand of boards and senors that are manufactured from the same schematic and layout as Arduino. OSEPP also develops its own line of unique kits..."
"Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists and anyone interested in creating interactive objects or environments."
Community
Arduino Wiki (Playground) ... a collection of Arduino knowledge, tutorials, and instructions provided directly by Arduino users.
Arduino Multi-Language Forum (it's "Official"!) and stay connected with the Arduino community (through various Social Media, like Google+ and YouTube).
Arduino Team Blog
This looks like really fun stuff!
:-)