The Internet of Things! The Internet of Things! THE INTERNET OF THINGS! OK now that I've got your attention, lets talk about this INTERNET OF THINGS (IoT). IoT is this idea that, hey - my toaster! my car! my dog's collar! - all those things can be connected to the Internet and each other.
Adding connectivity can make projects and products a lot more useful and fun. And if you're a developer, engineer, hacker or maker, this tutorial will delve deeper into the details of protocols and libraries!
In this tutorial, we'll introduce MQTT, get you going with a demo, then explain the Adafruit_MQTT library