RPi Node-Red: Inject + Debug = Hello World
What Will I Learn:
How to use the inject node to send the phrase “Hello World!” to the debug terminal 🙂 This is a classic getting started example and is usually done when first learning to program in a new language.
- Start Node-Red by clicking on the red Node-Red icon on the start menu under the “Programming” section.
Starting web browser Node-Red interface:
- Start the Chromium web browser by clicking on the blue world icon on the top bar.
- Click on the “Node-Red” link inside Chromium on the bookmarks bar.
Programming Hello World! example:
Inject and debug nodes will be used extensively throughout our other lessons and are the building blocks of understanding how JSON messages are sent between nodes.