How to use STM32 lwip/mqtt api with tls? - Stack Overflow
1 i made stm32 + rtos + lwip/mqtt solution and it works well. Now i want to use it with embed tls secure connection. I did not find any exemples. lwip mqtt api supports tls comunication. But there are no …
mosquitto-client obtain refused connection - Stack Overflow
I want to use MQTT protocol using mosquitto library. First of all, I want to do some test installing mosquitto-clients sudo apt-get install mosquitto-clients This program provides two "method":
How to clear ALL retained mqtt messages from Mosquitto?
How to clear ALL retained mqtt messages from Mosquitto? [closed] Asked 9 years, 7 months ago Modified 1 year ago Viewed 81k times
mqtt - Command to display all delivered messages to a Mosquitto …
MQTT will queue messages for a known client if it has previously subscribed at QOS 1 or 2 and reconnects with the cleanSession flag set to false. This connection needs to exactly the same client …
mqtt - Cluster forming with Mosquitto broker - Stack Overflow
You can't do clustering with mosquitto. Some other MQTT brokers out there which support clustering, including HiveMQ. HiveMQ has an elastic cluster ability with auto discovery and a distributed …
Paho updating userdata from on_message callback - Stack Overflow
Aug 25, 2020 · Basically, I want my userdata to act as a global flag that gets read and updated between successive executions of the on_message() callback. I wrote and ran the following script: import …
Difference between MQTT and MODBUS protocol? - Stack Overflow
Jun 7, 2017 · MQTT started in 1999, large-scale network and internet becomes much more popular and more complex communication ways between software and devices are needed since then, like event …
Paho MQTT "Unsupported callback API version" error
Feb 12, 2024 · client = mqtt_client.Client(mqtt_client.CallbackAPIVersion.VERSION1, client_id) This will configure the library to use the v1 callback API (as used with older versions of the library). I would …
javascript - mqtt client in html page - Stack Overflow
Dec 17, 2020 · If you want to connect to a MQTT broker from with a web page you MUST use MQTT over Websockets. The Javascript sandbox in the browser will not allow you to do it any other way. …
Paho-MQTT client disconnect with code 16 and cannot connect again
Jun 20, 2023 · If I restart the container with the mqtt client, it starts working, but after a few hours it disconnects again (with code 16) with the possibility of reconnecting. I didn't suspend/resume the …