SUBSCRIBER Node in ROS and debug with RQT_GRAPH | Tutorial #4 | ROS and Raspberry Pi

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ROS Tutorial for beginner: create your first Subscriber Node in ROS (Robot Operating System) Kinetic . I will guide you step by step, showing how to select a standard message and to debug your code using RQT_GRAPH.

We refer to the Subscriber built in this video:    • Create your First PUBLISHER Node | Tutoria...  

*** Follow the whole series:    • What is ROS (Robot Operating System)| Intr...  

We build a Subscriber node in python, sharing a simple string message (std_msgs/String). Then we compile the package with catkin_make and use "chmod" for making the file executable. Finally we source the development environment and we run the node.

At last we check that everything runs smoothly using RQT_GRAPH

** FIND THE CODE
My code: github.com/tizianofiorenzani/ros_tutorials.git

** FIND PREVIOUS EPISODES:
n.0: Overall setup and robocar run:    • ROS and Raspberry Pi for Beginners | Tutor...  
n.1: Nodes    • How to Build and Launch a NODE in ROS | Tu...  
n.2: Topics:    • ROS Topics and RQT_GRAPH | Tutorial #2 | R...  
n.3: Publisher:    • Create your First PUBLISHER Node | Tutoria...  

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