A tiny broker and client library for MQTT messaging.
MQTT is a lightweight messaging protocol ideal for small devices. This library allows to send and receive MQTT messages and to host a broker in your ESP 8266 and 32 WROOM. It does support MQTT 3.1.1 with QoS=0.

Author: Francois BIOT, HSaturn,

Maintainer: Francois BIOT, HSaturn,

Read the documentation


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.