PCB board tricks

http://kicadhowto.wikidot.com/

http://blog.strobotics.com.au/2010/06/25/my-move-to-kicad/

Quick component builder http://kicad.rohrbacher.net/quicklib.php

eagle converted to kicad already http://library.oshec.org/

2D and 3D models, a lot: http://smisioto.no-ip.org/index.html

Good tutorial http://store.curiousinventor.com/guides/kicad

http://www.kicadlib.org/Fichiers/KiCad_Tutorial.pdf

Automates creation of footprints http://kicad.rohrbacher.net/quicklib.php

Production tutorial http://1010.co.uk/org/kicad_resources.html#sec-2

http://code.google.com/p/opendous/wiki/KiCADTutorialCreatingGerberFiles

http://reprap.org/wiki/KiCad

http://en.qi-hardware.com/wiki/KiCad_Gerber_and_Drill_Files

http://kicad.sourceforge.net/wiki/Frequently-asked-questions#PCB_manufacturers_that_accept_KiCad_gerber_files

http://kicadhowto.wikidot.com/fq1pcbfab2

http://www.delorie.com/pcb/docs/gs/gs.html

BatchPCB

http://www.seeedstudio.com/

http://www.multi-circuit-boards.eu/en/

http://www.pcbcart.com/

http://www.jackaltac.com/pcb-order-form.html

http://iteadstudio.com/store/index.php?main_page=index&cPath=19&zenid=5e6n18prgrqhpfhhdu3k2mlqv5

http://www.olimex.com/

http://www.pcb-pool.com/ppde/index.html

http://pcbpool.org/

https://wiki.lsr.ei.tum.de/nst/index

http://www.sparkfun.com/tutorials/115

http://www.youtube.com/watch?v=0OIMmQkAuDQ&feature=g-hist&context=G2649537AHTxG9zAADAA

http://www.sparkfun.com/tutorials/115

https://github.com/sparkfun/SparkFun-Eagle-Library

http://www.lpkfusa.com/datasheets/prototyping/c30.pdf

battery management: BQ24022

Don't know how to reference a component? Check: http://en.wikipedia.org/wiki/Electronic_symbol#Reference_designations

Pogo boards: http://jeelabs.org/2010/09/07/pogo-pogo/

BGA breakout board: http://www.schmartboard.com/index.asp?page=products_bga&id=110

BGA breakout board examples: http://www.latticesemi.com/support/pcbdesignsupport/bgabreakoutroutingexample/256ballcabgabreakoutrouti.cfm?source=sidebar

More eagle footprints: (Xbee microsd ) http://www.microbuilder.eu/Projects/EagleFootprintLibrary.aspx