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 …
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 …
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 …
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 …
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 can I send a image by using mosquitto? - Stack Overflow
May 28, 2016 · I'm trying to send a jpg image using MQTT mosquitto broker(pub and sub) in Raspberry Pi2. This is my python code pub.py(modified) import paho.mqtt.client as mqtt def …
How to use STM32 lwip/mqtt api with tls? - Stack Overflow
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 …
Configure Nginx reverse proxy for MQTT - Stack Overflow
Mar 7, 2022 · I'm trying to setting up a reverse proxy that resolve localhost:8081 to a broker installed on an other machine. My Nginx config file is: worker_processes 1; events { …
How do I subscribe to all topics of a MQTT broker
Oct 2, 2015 · I want to connect a client which will monitor all the topics of the broker to respond to the events when I don't know what are names of topic.
mqtt - How to test the `Mosquitto` server? - Stack Overflow
Nov 3, 2014 · I am new to Mosquitto and MQTT, I downloaded the Mosquitto server library but I do not know how to test it. Is there any way to test the Mosquitto server?