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Hi I m new here too.

So...if I understood (I did all the first Tutorials on the ROS Webpage) one should take ROS as a OS, which masters different nodes. So please let me understand better, the idea is: I create one node for one sensor, one node for the controller PID and one node for my motor DC. I let me to start a topic and sensor's node publishs on it. This is going later to be subscribed by the controller which makes some calculation and opens a new topic to feed the motor. The motor reads the right values subscribing to the second topic, which has the values coming form the controller.

I m right? Or I am completely wrong about the way of working of ROS?

I know...it takes time but it is really hard to understand, which is the correlation between ROS (form the tutorials) and a real robot/application

regards

Hi I m new here too.

So...if I understood (I did all the first Tutorials on the ROS Webpage) one should take ROS as a OS, which masters different nodes. So please let me understand better, the idea is: I create one node for one sensor, one node for the controller PID and one node for my motor DC. lets say I let me to start a topic and sensor's node publishs is going to publish on it. This is going later to be subscribed by the controller which makes some calculation and opens a new topic to feed for the motor. The motor reads the right values (for istance: speed) subscribing to the second topic, which has the values coming form the controller.

I m right? Or I am completely wrong about the way of working of ROS?

I know...it takes time but it is really hard to understand, which is the correlation between ROS (form the tutorials) and a real robot/application

regards