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In this Discussion
- champy February 2015
Error opening serial port COM22: Port busy
Hello everyone..
I'm trying to communicate with my Arduino UNO by using Processing and bluetooth. Basically, I'm following every step in this guide: http://playground.arduino.cc/Learning/Tutorial01
The code I'm using is identical to the above guide and as bluetooth modem I'm using HC-06. The problem is that I keep getting an error message that says: "Error opening serial port COM22: Port busy". Still, the prinln(Serial.list()) claims that COM22 is available? I have rebooted my computer but still it won't work. I'm using processing 3.0a5 and Arduino 1.05
I have googled and searched the forum but still I can't find any solution for my problem.
Best regards,
Mattias
Answers
If another application using com port 22 the error is appear such as you run arduino and processing together.I have arduino when I was uploaded a code,I just only use processing to capture values.