Credit:
http://mypetarduino.com/ReadCode/readCode.01.html
WB7FHC's Morse Code Decoder v. 1.1 (c) 2014, Budd Churchward - WB7FHC This is an Open Source Project http://opensource.org/licenses/MIT
Search YouTube for 'WB7FHC' to see several videos of this project as it was developed.
https://vk8da.com/an-arduino-iambic-keyer/ and http://www.jel.gr/cw-mode/iambic-keyer-with-arduino-in-5-minutes/ (dead page)
No licenses found for these 2, if you find one, please inform me!
WIP Arduino Program for a morse translator connected to a pipe, keying when you blow and suck, similarly so to a dual-lever paddle keyer. Made for people with little or no arm mobility.