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Preface

MQTT example application uses MQTT and MDNS modules to communicate to MQTT host configured and establish a MQTT connection. This example,

1. Will publish data to the MQTT host broker configured with configured topic.
2. Uses IO1_xpro board, to get Temperature and Light sensor details of the current environment and send them to MQTT broker in JSON format.
3. Uses Border router to connect outside the 6LoWPAN network.
4. Uses MDNS module, to get IP address of MQTT host broker configured. MDNS server used here, is Google DNS server (::ffff:8.8.8.8).