© Pradeeka Seneviratne 2019
Pradeeka SeneviratneBeginning LoRa Radio Networks with Arduinohttps://doi.org/10.1007/978-1-4842-4357-2_7

7. Connecting with IoT Servers Using MQTT

Pradeeka Seneviratne1 
Mulleriyawa, Sri Lanka

In this chapter, you will learn how to send data to an IoT server using the MQTT protocol with a LoRa wireless network. The ThingSpeak IoT platform enables clients to update and receive updates from channel feeds through the ThingSpeak MQTT broker. MQTT is a publish/subscribe communication protocol that uses TCP/IP sockets or WebSockets. MQTT over WebSockets can be secured with SSL. A client device connects to the MQTT broker and can publish to a channel or subscribe to updates from that channel.

The network you’ll build consists ...

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