Node-Red

Install Node-red on the Raspberry Pi

Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways.
It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click.

What do you need?

1. Raspberry Pi
2. Power supply 5V 2A
3. SD Card with Raspbian Strech Lite link
4. UTP Cable
5. Case for the Raspberry Pi
6. PuTTy on a Windows or Linux computer.

https://youtu.be/3SxMvdSnaQk