Everything about Drone
  • Drone (Dynamic Remotely Operated Navigation Equipment)
  • About Me
  • Types of Drones
  • Applications of Drone
  • Categories of Drones in India
  • Motor Configuration and Controls for Quadcopter
  • Assembling Pluto Drone
  • Dynamics of DRONEs
    • Force and Moments
    • Orientation and position
    • Moving in z, x & y direction
  • Sensors which are used on a Drone
  • Rules & Regulations
  • Testing & Executing codes
    • Acro Mode
    • Blow to Take Off
    • App Heading
    • Monitoring the Pressure Difference
    • Throw and Go
    • Flipping
  • Laser Cutting
  • Laser Cutting Procedure
  • 3D Printing Drone case
  • Table Tennis Game
  • ROS (Robotic Operating System)
    • ROS Master
    • ROS Nodes
    • ROS Topics
    • ROS Message
    • Workspace (catkin)
    • Examples
      • Creating ROS Workspace
      • Publisher in ROS
      • Subscriber in ROS
      • Testing Publisher and Subscriber nodes
      • Add two int in ROS
      • Building Nodes
      • Pluto Node
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  1. ROS (Robotic Operating System)

ROS Topics

ros nodes communicate on ros topics, ros nodes can publish or ros nodes can subscribe to a publisher to get data, and typically there is one publisher and N number of subscribers

These are some commands for ros topics as well which are listed below

>rostopic list
>rostopic echo /topicname
>rostopic info /topicname
>rostopic type /topicname
>rostopic pub /topicname
PreviousROS NodesNextROS Message

Last updated 5 years ago

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