Communication
MQTT Client library for Arduino based on the Eclipse Paho project.
The library bundles synchronous C++ MQTT Client implementation with C/C++ Eclipse Paho MQTTPacket library. It supports MQTT 3.1 and 3.1.1; QoS 0, 1 and 2.
Maintainer: Oleg Kovalenko
This library is compatible with all architectures so you should be able to use it on all the Arduino boards.
To use this library, open the Library Manager in the Arduino IDE and install it from there.