Failed to open serial port COM3 to communicate with board Uno.
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Encounter this error when i tried to connect my arduino board with my matlab :Failed to open serial port COM3 to communicate with board Uno. Make sure there is no other MATLAB arduino object for this board. For troubleshooting, see Arduino Hardware Troubleshooting.
Can anyone solve this?
답변(4개)
HAMZA ABBASI
2018년 6월 24일
clear object name like (clear a) will not work.... write clear all statement in the first line of code
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Pathmashantha Senanayaka
2020년 12월 30일
hellow everyone. I want to make serial communication with arduino mega using matlab guide. Can enyone Please show me example code.
Aamil Patel
2016년 3월 5일
Failed to open serial port COM3 to communicate with board Uno. Make sure there is no other MATLAB arduino object for this board. For troubleshooting, see Arduino Hardware Troubleshooting.
this is the error message i get
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PRAPTI GANGULY
2016년 3월 21일
I got the same error message. Make sure there is no other object in the workspace. type 'clear' to clear the workspace and then try running the code.
Amaresh A.R
2016년 5월 20일
Hello everyone..
when i am trying to connect arduino which is connected on COM2 i get the below error..
"Failed to open serial port COM2 to communicate with board Uno. Make sure there is no other MATLAB arduino object for this board. For troubleshooting, see Arduino Hardware Troubleshooting."
how to overcome this problem... please help TYIA..
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