https://nodered.org/docs/user-guide/messages
https://www.json.org/json-en.html
https://discourse.nodered.org/
https://forums.opto22.com/
https://training.opto22.com/
OpenWeatherMap tutorials:
https://www.youtube.com/watch?v=B--x7_kOu_Q
https://www.youtube.com/watch?v=dZiqRg0o01E