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I recently tried to connect to my Arduino DUE via Java RXTX, but I failed in establishing a connection. Now since I feel uncapable of finishing this project by my own, I ask you for help. I need to have some kind of "best practice" or "how to" connect to an Arduino via Java (JSSC or RXTX - those docs didn't help me at all... :/ ) and later some advices how I could use it to send and receive data through a Java GUI. Thanks for any help.