Will Son

Hi @Mdbirley I'm sorry, but when replying via email, any attached images are abandoned so I can't see the image in your reply. Could you copy and paste the list...

@Mdbirley Thank you for pasting the output messages. The camera image related topics are not being published. Do you get any error/warning messages on the terminal during the launch?

Hi @ohyousung Could you check if your RPi is successfully and fully booted up when it is connected to the OpenCR? Thank you.

Hi @lslabon The easiest way to debug the Arduino code is through the Serial port of the OpenCR. By default, turtlebot3 sketch provides debugging mode by enabling the DEBUG definition...

Hi @lslabon The drift of the cheap IMU sensor is inevitable and may require additional work(e.g. repetitive adjustment during the operation) to minimize it, but 10° drift in 5 minutes...

@firstn01 Could you check if you have below setup configuration in your `.bashrc` file? ``` source /opt/ros/kinetic/setup.bash ``` What was the output of the command below? ``` $ sudo apt-get...

Have you build the source after copying into the src folder of catkin_ws? ``` $ cd ~/catkin_ws && catkin_make $ source ~/catkin_ws/devel/setup.bash ```

@soulking123 You should connect the HDMI cable before turning on the Raspberry Pi.

@DistroIII This could be the environmental problem where there are some reflective materials in the room. Or have you cleaned up the window of the LDS sensor? Try gently cleaning...

Hi @Malaka-S-Gunawardhana We are not the distributor/manufacturer of Kobuki. You may create a thread on ROS Answers to get a support. https://answers.ros.org/questions/ Thanks!