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Seifeddin
trafficstars
try to launch the node server twice : ``` rosrun rosserial_server serial_node _port:=/dev/ttyACM0 & rosrun rosserial_server serial_node _port:=/dev/ttyACM0 ``` works for me ! or use ``` rosrun rosserial_python serial_node.py _port:=/dev/ttyACM0...