Will Son

Hi @Comet92 The Cartographer must be installed and launched on your `PC`, not on the TurtleBot3 RPi. If you have installed the desktop version of Foxy, you should have it...

@sudo-Boris Have you also tried rebooting the OpenCR board with the `Reset` button before launching the turtlebot3_robot node?

@sudo-Boris In case of failing the firmware upload, please refer to the `recovery mode` below instead of resetting the board. https://emanual.robotis.com/docs/en/parts/controller/opencr10/#recovery-mode

Hi @sudar1220 Thanks for reporting the issue. Not sure if it is related to this, but my team also found that the odom jumps around during simulation SLAM which causes...

hi @miku54 Please understand that we do not debug issues for the robot that is modified from the original component. Since ROS2 Eloquent is deprecated, it is recommended to use...

Hi @akshay-30 I've just cloned the latest code and built them on my Foxy machine, but wasn't able to find an error during build. Could you submit a new issue...

Please also refer to below issue thread regarding the sonar add on to TurtleBot3 https://github.com/ROBOTIS-GIT/OpenCR/issues/233

@w5688414 YOu can refer to the link below. https://answers.ros.org/question/362576/adding-sonar-in-gazebo-and-ros/

Hi @MalikaGawande Could you upload the image via GitHub thread? https://github.com/ROBOTIS-GIT/turtlebot3/issues/843 Replying to the email doesn't properly attach any images at all. Thanks!

Hi @toukairinn9999 Thanks for reporting the issue. I've just tested with the image and looks like the image needs to be updated since it is created in 2019. According to...