October 2019
Intermediate to advanced
350 pages
9h 5m
English
Content preview from Hands-On Internet of Things with MQTT
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Arduino libraries
There are various MQTT libraries around for Arduino, three of the most popular being arduino-mqtt (https://github.com/256dpi/arduino-mqtt), pubsubclient (https://github.com/knolleary/pubsubclient), and the Adafruit MQTT library (https://github.com/adafruit/Adafruit_MQTT_Library). Some of them are only compatible with certain development boards; also, their implementations of the MQTT specifications differ.
In my projects, I have had the most success with arduino-mqtt by Joël Gähwiler, the same person who runs shiftr.io, the MQTT server with built-in graph visualization, which I could not stop praising a few sections prior to this. Because both the MQTT library and the server are developed by the same author, the chances ...
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