Technical requirements
To progress through this chapter, you will need the following:
- Node-RED (v1.1.0 or above): https://nodered.org/
- Raspberry Pi: https://www.raspberrypi.org/
The code used in this chapter can be found in Chapter05
folder at https://github.com/PacktPublishing/-Practical-Node-RED-Programming.