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2017-11-21 01:46:30 -0500 marked best answer how to publish linear velocity and angular velocity rosserial arduino?

how to publish linear velocity and angular velocity rosserial arduino with Twist.h ?

I tried

geometry_msgs::TransformStamped t;

t.transform.translation.x = x; t.transform.translation.y = y; t.transform.translation.z = 0;

t.transform.rotation = tf::createQuaternionFromYaw(th); t.Twist.Twist.linear.x=dx/dt; t.Twist.Twist.linear.z=dth/dt;

but last two lines error

I need your help plz thank you.

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2017-11-19 23:10:56 -0500 asked a question how to publish linear velocity and angular velocity rosserial arduino?

how to publish linear velocity and angular velocity rosserial arduino? how to publish linear velocity and angular veloci

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neato xv-21 does not work with keyboard Hi I'm studying with ros indigo and neato xv 21 . I'm trying to move xv-21 slam

2017-10-29 02:00:19 -0500 asked a question neato xv 21 connect with ros

neato xv 21 connect with ros Hi! I'm studying about slam & navigation with neato xv 21 when I connect only lidar

2017-10-20 03:52:21 -0500 commented question import error no module named _bluetooth

in terminal, python -v , I checked version 2.7 ,

2017-10-12 22:52:53 -0500 asked a question import error no module named _bluetooth

import error no module named _bluetooth hello I'm studying ros with raspberry ,ubuntu mate 16.04 I want to ask about bl