MQTT - HiveMQ Support Forum

Topic	Replies	Views	Activity
Getting started with MQTT Dear MQTT enthusiast, Nice to see you found your way to the HiveMQ Community Forum. In case you are new to MQTT protocol itself, don’t worry. We got you covered! The perfect starting point to gain a solid basic knowle…	9	1684	April 27, 2023
About the MQTT category	0	631	April 15, 2019
[SIM7000G] MQTTS Connection to HiveMQ Cloud Fails with ERROR on AT+SMCONN	2	35	January 5, 2026
Hivemq mqtt_client: MQTT connect failed	3	88	November 24, 2025
I can not understand "The below picture schematically shows a masterless HiveMQ cluster with the replication factor of 3 (each data entity has 3 copies in the cluster), that is, every server is a master for one range of data and a follower for two"	1	26	November 4, 2025
These 2 blog need to be updated	2	30	November 4, 2025
Why need kafka?	1	36	November 3, 2025
If the client loses connection briefly, will it be able to reconnect to its own broker?	1	16	November 3, 2025
Why do hivemq-ebook-mqtt-essentials.pdf not demonstrate MQTT-SN?	1	10	November 3, 2025
QoS and Message Queueing on the Broker	3	33	October 9, 2025
ESP32 code giving error Attempting MQTT connection...failed, rc=-4	3	480	March 5, 2025
MicroPython PICO W	0	48	March 26, 2025
MQTT over SSL Connection using SIM800L	1	357	February 24, 2025
WebSocket connection failed SOLUTION	3	6451	February 19, 2025
CAN vs MQTT: Best Protocol for a Reliable and Secure Shelved Room System?	1	39	January 3, 2025
Can't connect to HiveMQ Cluster using React app + mqtt	3	150	December 13, 2024
Marking the end of a series of messages	2	32	December 2, 2024
Broker connection disconnected	1	75	August 16, 2024
Arduino stops publishing data to broker	2	69	July 26, 2024
Trying to use Paho Python Client	2	1384	June 7, 2024
How to use sparkplug B	1	346	May 29, 2024
Securing with the public broker	1	283	March 19, 2024
Long term server certificate	3	404	January 23, 2024
Exporting my data	3	1233	November 24, 2023
Which HIvemq client is better for hivemq mqtt5 and hivemq mqtt 3.1.1 broker?	2	988	September 14, 2023
[Question] How to set the response information property in the MQTT broker configuration	4	650	July 16, 2023
Problem publishing messages	3	591	May 11, 2023
I`m having problems connecting with MQTT	3	4203	May 8, 2023
Communication in between two raspberry pi's using MQTT on local network	5	1941	March 29, 2023
Bbc microbit with mqtt	4	798	March 8, 2023

Getting started with MQTT

Dear MQTT enthusiast, Nice to see you found your way to the HiveMQ Community Forum. In case you are new to MQTT protocol itself, don’t worry. We got you covered! The perfect starting point to gain a solid basic knowle…