What You Will Learn
What is Node RED?
Node-Red is a programming tool for connecting hardware, APIs and online services in a new and exciting way. Using this software you can control and monitor your Raspberry Pi board remotely. The software has a graphical interface wich is vary simple to use.
You can run Node RED on Windows and Linux operating systems.
Monitor and Control Raspberry Pi with Node RED
Node RED is installed in Raspbian operating system by default.
If you couldn’t find it, you can install it on your Raspberry Pi using the commands bellow (Enter one of the following commands at the terminal each time):
sudo apt-get update
sudo apt-get install nodered
sudo apt-get install npm sudo npm install –g email@example.com
Installing additional blocks on the Node RED
Turning an LED ON and OFF via Node RED
Generating PWM to Control LED using Node RED
Reading the status of a button via Node RED
- Try to control a Bargraph using Node RED