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2017-06-23 07:40:29 -0500 | asked a question | [multimaster_fkie] no respond from other computers when pinging 224.0.0.1 [multimaster_fkie] no respond from other computers when pinging 224.0.0.1 I am following Chapter 4: Multiple computers R |
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2016-05-24 14:51:34 -0500 | asked a question | rosserial message no such file or directory I created a custom message to talk to arduino via rosserial_arduino. However I am receiving this error when compiling the arduino code:
I have already created the message package in <ws>/src. I also have done rosrun rosserial_arduino make_libraries.py . at ~/sketchbook/libraries (carmen_msgs/carmen.h successfully appeared in ros_lib folder). I can see ros_lib as one of the examples in Arduino IDE. What am I missing? Why doesnt Arduino recognise the message that I created? I have tried reinstalling ROS and the problem still persist |
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2016-03-31 13:36:00 -0500 | asked a question | Planning and Executing movement by coordinate with move group interface I am trying to control a 6 DOF robotic arm with stepper motor actuator controlled with arduino. So far I have managed to simulate the arm and move it in rviz by giving the end coordinate using move group interface. But i do not know how to link this simulated movement to a real robot movement. I've seen a lot of documentation where people drag the simulated arm around in rviz and click on "plan and execute" to move the real robot. However, since I'd like the robot to move to a certain coordinate, I use move group interface to do so instead of manually dragging the arm in simulation. But by doing so, I'm unable to use the "plan and execute" button. My understanding of ROS is still far from perfect , thus I'd appreciate it if anyone can help to point me in the right direction. |