For the demo it can be easier to use button presses to extract the data from the Nodes and let the Nodes send data.
These incoming and outgoing message can be represented by a LED turning on or off. This makes a demo more visual than serveral serial monitors stacked next to one another.
For the demo it can be easier to use button presses to extract the data from the Nodes and let the Nodes send data. These incoming and outgoing message can be represented by a LED turning on or off. This makes a demo more visual than serveral serial monitors stacked next to one another.