anybody can help me with a crossroads that i need to solve. I have a code in python, it receives msg laserscan and transform to pcl, inside the same code need to controller a servo. it moves the hokuyo laser after 400 msg recive to another position, need a 3 or 4 positions 0-180 degrees. After it has 3-4 position return to original position and so successively, i know that with a launch file i could move the servo or command line too. the questions is. I could move servo publishing new position in python code using rosserial. tnx for read and hope someone can help with it.
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