MQTT and Arduino

Question

Can I create clients acting as publishers and subscribers on Arduino using the MQTT.h library in C; use the Mosquitto broker on desktop and try establishing M2M Communication? Also, where can I get the WMQTT GUI so that I can test my clients separately (possibly a link)? Are there any GUI open source broker's available?

knolleary · Accepted Answer · 2016-02-11 20:21:23Z

2

There are a number of MQTT client libraries available for the Arduino. If you open the library manager (Sketch -> Include Library -> Manage Libraries...), and search for MQTT you'll find them. I'm the maintainer of the PubSubClient library you'll find in that list - for more information see http://pubsubclient.knolleary.net/

mqtt-spy is one open source gui tool available for interacting with topics. The mosquitto broker comes with mosquitto_sub and mosquitto_pub command-line tools for subscribing and publishing to a broker - they are useful for testing with.

answered Feb 11, 2016 at 20:21

knolleary

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