User's Manual for the Arduino Enigma Machine Simulator

User guide:
http://arduinoenigma.blogspot.com/2014/10/using-arduino-enigma-simulator.html
http://arduinoenigma.blogspot.com/2014/10/a-visual-walk-through-of-arduino-enigma.html

Serial Port Operation:
http://arduinoenigma.blogspot.com/2015/01/installing-arduino-ide-and-serial-port.html
http://arduinoenigma.blogspot.com/2015/01/operating-arduino-enigma-machine-via.html

Case assembly instructions:
http://arduinoenigma.blogspot.com/2015/01/wood-case-assembly-instructions.html
To purchase a spare case:
http://www.ponoko.com/showroom/ArduinoEnigma

Warning labels for the case:
http://arduinoenigma.blogspot.com/2015/04/enigma-warning-placards-zur-beachtung.html

Enigma Engine source code:
http://arduinoenigma.blogspot.com/2014/10/source-code-for-implementation-of.html

Product Specifications:
http://arduinoenigma.blogspot.com/2015/01/product-specifications.html

To learn the proper technique to encode messages for transmission to others:
http://www.enigmaworldcodegroup.com/#!create-an-enigma-message/c1lth

To exchange enigma messages with others:
http://enigmaworldcodegroup.freeforums.net/board/2/enigma-world-code-group-messages

If you like what you see, don't have one and want to purchase your own:
https://www.tindie.com/products/ArduinoEnigma/arduino-enigma-simulator-simulates-enigma-i-m3-and-m4-machines/

Get it at the eBay Store:
http://www.ebay.com/sch/enigmaarduino/m.html