LOLShield library!! This is a library to support the LOLShield, an open source charlieplexed display by Jimmie Rodgers: http://jimmieprodgers.com/kits/lolshield/ Place this in your Arduino libraries folder, then check out the examples! All those program are distributed under GPL v2+ or LGPL v2+ license (C) 2009-2010 Jimmie P Rodgers, Benjamin Sonntag, Alex Wanger, Aurélien Couderc, Matt Mets, & maybe others, And thanks goes flying to Berlin to the Chaos Computer Club team for the unbelievable congress they organized ;)