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  1. 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 …

  2. mqtt - MQTTClient throws error when trying to connect - Stack …

    Oct 20, 2024 · I'm devopling an application on a PicoW using Visual Studio (Thonny gives the same results). It uses umqtt.simple: from machine import Pin, I2C from time import sleep …

  3. 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 …

  4. Paho-MQTT client disconnect with code 16 and cannot connect …

    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 …

  5. python - Paho-mqtt with asyncio library - Stack Overflow

    Jan 11, 2021 · Does paho-mqtt fully supports MQTT 5.0 protocol? In my application, I'm using MQTT 5.0 protocol so which is best in python paho-mqtt or gmqtt (with asyncio)?

  6. Mosquitto MQTT: "Connection was lost" error when publishing a …

    May 5, 2025 · I am trying to test MQTT functionality and have installed Eclipse Mosquitto on my workstation. To subscribe to a topic, I use the following command: "C:\\Program …

  7. mqtt - Connecting ESP32 IDF MQTT5 Example to HIVEHQ - Stack …

    Jul 21, 2024 · From this I could connect the MQTT/SSL project to the Mosquitto broker using SSL. I then returned to my MQTT5 project and added the certificate code etc from the MQTT SSL …

  8. c# - MQTT Client (MQTTnet) Not Successfully Subscribing to …

    Feb 23, 2025 · I'm building a .NET service that connects to an EMQX broker using MQTTnet. While the client connects to EMQX, when I test sending messages through MQTTX (MQTT …

  9. MQTT: Mosquitto Broker and Sparkplug TCK - Stack Overflow

    Broker Port: 9001 Broker Endpoint: /mqtt Client Id: tck-web-console Addendum: I was now able to connect the Mosquitto broker to the Sparkplug Test Compatibility Kit via websocket. …

  10. mqtt - .net client keeps Connecting and Disconnecting over and …

    Apr 1, 2023 · As per the MQTT spec "If the ClientID represents a Client already connected to the Server, the Server sends a DISCONNECT packet to the existing Client with Reason Code of …