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 …
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 …
Using MQTTNet, how to subscribe to topic, parse then push back …
Jul 3, 2023 · Using MQTTNet, I am not very familiar with async in C# so I need a little bit help. I want to subscribe to a MQTT topic (external broker like mosquitto), parse messages, and for …
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)?
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 …
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 …
mqtt - Mosquitto TLS - Connection Refused: not authorised
Jul 14, 2023 · You shouldn't seperate the listener 8883 line from the entries that contain the cert/key information (and your files do not match the examples). Also edit the question to show …
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 …
IoT: do I need to use MQTT or HTTP? - Stack Overflow
May 19, 2017 · MQTT is intended for situations where your connection may be intermittent or otherwise unreliable. Its various Quality-of-Service levels provide you with significant ways of …
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 …