can somebody explain how to read data coming from another node.
Suppose a node is publishing some data through some topic. I need to write a node which subscribes to that topic. Now once I subscribed how to read that data from that topic. Can u give me an example if possible
This is what the tutorials are for. They explain this in detail...
If you have a specific Problem with those, please edit your question (after looking through the existing questions, because this has been answered often)