Adafruit Industries is an open-source hardware company founded by Limor Fried in 2005. Use this tag to mention issues with Adafruit products or tutorials.
Adafruit is one of the companies supplying Arduinos and Arduino-compatible products. Their web page is http://www.adafruit.com/.
Adafruit has a forum - initial queries about their products or tutorials would be appropriately directed to there.