HHHCMH's profile - activity

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2022-02-20 00:25:41 -0500	answered a question	How to use the publisher and subscriber separately in one node? I know it now.
2022-02-20 00:25:41 -0500	received badge	● Rapid Responder
2022-02-20 00:13:03 -0500	asked a question	How to use the publisher and subscriber separately in one node? How to use the publisher and subscriber separately in one node? I don't want to publish data in the subscriber's callbac
2021-08-09 13:46:38 -0500	received badge	● Famous Question (source)
2021-05-04 10:32:05 -0500	received badge	● Famous Question (source)
2021-01-28 05:33:10 -0500	received badge	● Notable Question (source)
2020-12-13 20:36:07 -0500	received badge	● Famous Question (source)
2020-09-28 12:42:35 -0500	received badge	● Popular Question (source)
2020-09-26 02:27:06 -0500	received badge	● Notable Question (source)
2020-09-01 11:39:20 -0500	received badge	● Notable Question (source)
2020-08-20 15:42:50 -0500	received badge	● Popular Question (source)
2020-08-20 06:23:15 -0500	commented question	The problem about gazebo_ros_demos Thanks for your answer. But I had installed these package at that time. And it didn't work.
2020-08-20 06:22:56 -0500	commented question	The problem about gazebo_ros_demos Thanks for your answer. But I had installed these package at that time. And it doesn't work.
2020-08-20 06:20:31 -0500	commented question	The problem about gazebo_ros_demos Thanks for your answer. But I have installed these package at that time. And it doesn't work.
2020-08-19 03:19:17 -0500	received badge	● Citizen Patrol (source)
2020-08-19 03:05:14 -0500	asked a question	The problem about gazebo_ros_demos The problem about gazebo_ros_demos I have a problem about the package gazebo_ros_demos. When I use roslaunch rrbot_desc
2020-08-18 07:30:17 -0500	edited question	Again but not the same with the Controller Spawner couldn't find the expected controller_manager ROS interface. Again but not the same with the Controller Spawner couldn't find the expected controller_manager ROS interface. When I c
2020-08-18 06:58:03 -0500	asked a question	Again but not the same with the Controller Spawner couldn't find the expected controller_manager ROS interface. Again but not the same with the Controller Spawner couldn't find the expected controller_manager ROS interface. When I c
2020-08-16 07:46:54 -0500	received badge	● Popular Question (source)
2020-08-15 21:34:48 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-15 21:34:30 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-14 03:17:40 -0500	received badge	● Organizer (source)
2020-08-14 01:35:09 -0500	received badge	● Enthusiast
2020-08-13 19:42:23 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-13 19:41:33 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-13 19:40:59 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-13 19:40:27 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-13 19:40:27 -0500	received badge	● Editor (source)
2020-08-13 19:38:58 -0500	edited question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-13 07:06:21 -0500	asked a question	What should I do next with the ros_canopen when I stuck in how to change the motor velocity What should I do next with the ros_canopen when I stuck in how to change the motor velocity I am confused on the problem
2020-08-13 06:28:07 -0500	received badge	● Popular Question (source)
2020-08-11 05:01:02 -0500	asked a question	how to use ros_canopen with PCAN-USB and Nanotec CL4-E how to use ros_canopen with PCAN-USB and CL4-E These days I searched a lot of information. But I find most of the repl
2020-08-11 03:57:13 -0500	received badge	● Teacher (source)
2020-08-06 11:01:49 -0500	answered a question	Motor control using ROS, Epos2 and CANOpen first you should have a usb-can dev and it could support pcan. For example,pcan-usb.After installing the driver, then