We've launched our new site at www.openlighting.org. This wiki will remain and be updated with more technical information.
Other web sites
From wiki.openlighting.org
Forums or other information resources on the net
http://www.blue-room.org.uk/wiki/Main_Page
http://www.thedmxwiki.com/ Has re-started, misc. terms explained, like CMY and RGB color mixing, Lighting Manual Archive and archives of some open source dmx software projects.
http://stagecraft.theprices.net/ The stagecraft mailing list, thousands of email threads per year! All technical stuff is discussed, from safety to cabling.
http://ww1.microchip.com/downloads/en/AppNotes/01076A.pdf Application note from Microchip on implementing a transmitter and receiver in a PIC microcontroller with assembler code.
If an example for Tx and Rx in assembler for AVR is needed, look here: http://www.hoelscher-hi.de/hendrik/english/demux.htm
Some DMX and Art-Net projects with Arduino. (In English and Spanish)
Arduino 4 universes DMX library: http://www.deskontrol.net/blog/arduino-four-universes-dmx-512-library/
Arduino DMX Art-Net node: http://www.deskontrol.net/blog/arduino-based-dmx-artnet-node/
Arduino Art-Net node for LED Pixels and digital led strips: http://www.deskontrol.net/blog/arduino-based-artnet-node-for-led-pixels/
If you know a useful resource, related to lighting tech, put it here!