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I have the same problem with p2os,

lili@lili:~$ rosrun p2os_driver p2os_driver I did $sudo chmod 777 -R /dev/ttyS0 $sudo chmod 777 -R /dev/ttyUSB0

but it still doesn't work.

Thank you!

I have the same problem with p2os,

lili@lili:~$ rosrun p2os_driver p2os_driver I did $sudo chmod 777 -R /dev/ttyS0 $sudo chmod 777 -R /dev/ttyUSB0

but it still doesn't work.

Thank you!

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