COM1 port not communicating error

2016 8 6
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更新时间：2016 8 6
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I'm using matlab 2016a..when i run the program I'm getting error as COM1 not available..but my device manager shows arduino board is connected with COM1 port..

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Walter Roberson
Walter Roberson 2016-8-6

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When the arduino is in use, COM1 would be busy.

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karthiga t
karthiga t 2016-8-6
thanks for replying to my question got another question then how can i run my matlab program?
karthiga t
karthiga t 2016-8-6
I want to interface matlab with arduino. So after creating a new program in matlab when I run the program in editor window it shows error as COM1 is not available or could not communicate with COM1

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