How to build Internet of Thing devices
OUR EXPERT
Les Pounder is an associate editor at Tom’s Hardware and a freelance creative technologist. He blogs at bigl.es.
YOU NEED
Any 40 pin GPIO Pi model
An Explorer HAT Pro from Pimoroni
3 x Male to male jumper wires
10K Ohm Resistor (Brown-Black-Orange-Gold)
10K Potentiometer
Small DC motor
An internet connection
Get the code: https://github.com/lesp/LXF271-Node-RED-Explorer HAT/archive/main.zip
QUICK TIP
Unsure as to what a node does, or what data it produces? Fear not. Click any node and the information column will show the properties and example code for the node.
The Explorer HAT has been the star of a few tutorials in your favourite Linux magazine, but we’ve always used it with Python. Yet did you know that we can also use it with Node-RED? This is an event-driven programming language used for Internet of Things and embedded projects. In
