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2022-12-26 11:48:00 -0500	commented answer	ROS2 Humble: Shutdown causes RCLError: publisher's context is invalid @mike-scheutzow The question included what I did to avoid the stack trace, and it appears that is still needed in Python
2022-12-24 17:47:01 -0500	answered a question	ROS2 Humble: Shutdown causes RCLError: publisher's context is invalid The tutorials and Humble have been updated, so the SIGINT handling in C++ is no longer an issue. http://docs.ros.org/en
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2022-11-25 12:41:32 -0500	answered a question	How to visualise IMU data in Rviz? have you tried changing the QoS in Rviz2? it defaults to reliable and needs to be best effort for most sensor data.
2022-11-25 12:41:32 -0500	received badge	● Rapid Responder (source)
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2022-11-22 07:26:57 -0500	edited answer	Setting up Nav2 on real robot The Turtlebot4 code base is open source and includes launch and yaml config files that you might be able to repurpose on
2022-11-22 07:25:08 -0500	received badge	● Rapid Responder (source)
2022-11-22 07:25:08 -0500	answered a question	Setting up Nav2 on real robot The Turtlebot4 code base is open source and includes launch and yaml config files that you might be able to repurpose on
2022-11-21 01:31:39 -0500	marked best answer	[Create3] /battery_state topic time stamp and data repeated 17 times? The Create3 publishes a /battery_state topic roughly every 10 seconds, but the header time stamp and data changes every 169 seconds. Is this a defect, and if so where do I file the issue? --- header: stamp: sec: 1668885286 nanosec: 307109232 frame_id: '' voltage: 14.880000114440918 temperature: 42.45000076293945 current: 0.42100000381469727 charge: 0.9739999771118164 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.47999998927116394 --- header: stamp: sec: 1668885463 <<--- TimeStamp and Data Changed nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 current: 0.4269999861717224 charge: 0.9950000047683716 capacity: 2.049999952316284 design_capacity: 2.049999952316284 percentage: 0.49000000953674316 --- header: stamp: sec: 1668885463 nanosec: 885139612 frame_id: '' voltage: 14.902000427246094 temperature: 42.54999923706055 ... (more)
2022-11-20 07:23:14 -0500	received badge	● Rapid Responder (source)
2022-11-20 07:23:14 -0500	answered a question	[Create3] /battery_state topic time stamp and data repeated 17 times? Found answer to both questions: 2) Questions and Issues about the Create3: https://github.com/iRobotEducation/create3_d
2022-11-19 19:08:14 -0500	edited question	[TB4] When a tree falls in the forest? Image topic bandwidth? [TB4] When a tree falls in the forest? Image topic bandwidth? There is a philosophical question does a tree falling in
2022-11-19 19:07:43 -0500	asked a question	[TB4] When a tree falls in the forest? Image topic bandwidth? [TB4] When a tree falls in the forest? Image topic bandwidth? There is a philosophical question does a tree make a soun
2022-11-19 13:44:03 -0500	asked a question	[Create3] /battery_state topic time stamp and data repeated 17 times? [Create3] /battery_state topic time stamp and data repeated 17 times? The Create3 publishes a /battery_state topic rough
2022-11-16 07:36:37 -0500	answered a question	What file formats does ROS require? A ROS node will be responsible for controlling the LiDAR, reading the scan data and publishing /scan topics which other
2022-11-16 07:25:17 -0500	commented answer	ROS 2,Raspberry pi or laptop pc @bayramkuru There is the concept of “follow a user” if you wish. Click on the user’s profile and press the follow butto
2022-11-16 07:24:36 -0500	commented answer	ROS 2,Raspberry pi or laptop pc There is the concept of “follow a user” if you wish. Click on the user’s profile and press the follow button… Since eve
2022-11-16 07:13:16 -0500	received badge	● Rapid Responder (source)
2022-11-16 07:13:16 -0500	answered a question	ros2 bag play simulation problems I’m new to gazebo, but can afford a guess: 1) Gazebo sim starts up setting some “current sim time”. 2) Your play from
2022-11-14 20:31:09 -0500	answered a question	Turtlebot4 Slam error "could not found transform from [] to map" My guess is your Global Options: Fixed Frame was blank "[]" so rviz2 didn't know what reference to use. The lidar range
2022-11-14 07:10:00 -0500	commented question	ROS2 Humble "topic echo --once --flow-style" in Galactic? @gvdhoorn - True - beyond abilities/focus right now, and I don't want the runtime exceptions that came with running my w
2022-11-12 18:55:50 -0500	commented question	ROS 2 Humble installation on Raspberry pi 4 I was successful at installing ros-humble-base over Ubuntu 22.04 Server (64-bit) LTS on my RPi4 with the idea of adding
2022-11-12 18:55:31 -0500	commented question	ROS 2 Humble installation on Raspberry pi 4 I was successful at installing ros-humble-base over Ubuntu 22.04 Server (64-bit) LTS on my RPi4 with the idea of adding
2022-11-12 12:35:00 -0500	commented answer	ROS 2,Raspberry pi or laptop pc @bayramku if I answered the question sufficiently, please check mark my answer - it helps build reputation points that w
2022-11-12 12:34:20 -0500	commented answer	ROS 2,Raspberry pi or laptop pc @bayramku if I answered the question sufficiently, please check mark my answer - it helps build reputation points that o
2022-11-12 12:32:29 -0500	edited answer	ROS 2,Raspberry pi or laptop pc I have ros-galactic-base installed on my Raspberry Pi4 2GB robot, and have ros-galactic-desktop installed on my desktop
2022-11-12 11:20:58 -0500	edited answer	ROS 2,Raspberry pi or laptop pc I have ros-galactic-base installed on my Raspberry Pi4 2GB robot, and have ros-galactic-desktop installed on my desktop
2022-11-12 11:20:34 -0500	edited answer	ROS 2,Raspberry pi or laptop pc I have ros-galactic-base installed on my Raspberry Pi4 2GB, and have ros-galactic-desktop installed on my desktop compu
2022-11-12 11:17:09 -0500	answered a question	ROS 2,Raspberry pi or laptop pc I have ros-galactic-base installed on my Raspberry Pi4 2GB, and have ros-galactic-desktop installed on my desktop compu