This talk will touch on what Open Source software exists for controlling complex lighting shows, and what DMX512 is and how it has has evolved into various networking standards. How low cost embedded platforms can bring a previously thousands of dollars project to under a few hundred. Main focus will be on the Open Lighting Architecture project which is a suite of protocol and hardware interfaces to lighting equipment which including open implemenations of very closed protocols. Speaker will go into detail on how light sequence gets generated, shipped to the various interfaces (e.g. USB, Zigbee, ethernet), and translated to a bitstream.