Tinkering with the nodes to make them work with the flows is rewarding, and you can watch them in action by creating a custom Node-RED dashboard inside the add-on.

sudo apt install nodejs Now we can install Node-RED and, to follow the examples below, you should also install the dashboard package: npm install node-red npm install node-red-dashboard ...

This is an interesting one - sentiment analysis with Node-RED. It's a guide to building a simple sentiment analysis system using the Node-RED platform.