Understanding the shiftr.io web service

shiftr.io is a unique web service that makes working with MQTT a breeze. Using a graph-based real-time visualization, debugging MQTT messages becomes very easy:

The website of shiftr.io—the network in the background is an actual representation of an MQTT network; the text and numbers in this image are intentionally illegible

As you have probably noticed in previous chapters, I am not a huge fan of proprietary, closed web services, mainly because of the lock-in effect. If you create an application that uses a certain web service, in most cases, you are tied to it. Your code will only work if the web service ...

Get Hands-On Internet of Things with MQTT now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.