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Arduino connection problem on OF0.8.4

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Hi,

Recently, I am trying to connect my Arduino to OF0.8.4 on windows.

My Arduino Uno Rev3 worked fine with the official IDE.
The port it uses is COM3 (on windows);
I can upload sketches and ran it without any problems.

But when I try testing it using the official example "firmataExample" ,
the event EInitialized did not get raised.

At that moment, if I open the Arduino IDE ,open the serial monitor and then close the IDE.
Then run the firmataExample again. The example works !!!!!

I also find I have to open serial monitor every time I reconnect the USB line to my Arduino to make the example work.

Anyone have ideas what happened in this case?? Is this a bug or errors in OF ??
It's annoying I have to open Arduino IDE every time my app going to run.
Thanks!!


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