if your Arduino always report port always use all the time,

please rename your MAC

\Library\Java\Extensions\  to other name.

librxtxSerial.jnilib  is make this problem happen.

 

 

By admin-powenko

Dr. Powen Ko is a teacher and CEO on LoopTek LLC, and like to teaching. if you need to class, please let PowenKo know, he will love to service and sharing. LoopTek web site is www.looptek.com

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