Hi,
I am getting started on the worldmaps node feeding JSON-formatted coordinates via serial port to the wordlmap node.
Serial port works great, monitoring the debugging window my coordinate sets come in perfectly, refreshing every second.
Comparing my setup to the provided example I can't seem to tell a different in the flow other than the example injects a coordinate set when you push a button, and mine are getting "injected" via COM port @ 1s intervals.
Screenshot below reflects important characteristics of my setup: