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 ...
