If you are doing PCB design for Arduinos or Megas, the following tells you how to add a free 3rd party library and module to KiCad... Don't reinvent basic wheels!!
Thank you Nicholas C Lewis!
http://www.arunet.co.uk/tkboyd/ele2pcbka.htm
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I am working on libraries and modules for the RBBB clone.
hi if u have a kicad file for arduino mega schematic pls mail me bmanojredd@gmail.com