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 …
mqtt - MQTTClient throws error when trying to connect - Stack Overflow
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 import network …
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.
Mosquitto: Starting in local only mode - Stack Overflow
Dec 13, 2020 · Starting with the release of Mosquitto version 2.0.0 (you are running v2.0.2) the default config will only bind to localhost as a move to a more secure default posture. If you want to be able to …
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 …
HAOS: Adding my own MQTT broker will not connect
Jan 22, 2025 · Edited to add: I can also establish that connections ARE occurring between HAOS and my MQTT broker. Logs on the MQTT side indicate that the Paho MQTT client from HAOS sends a …
esp_wifi.h: No such file or directory ( mqtt_client.h, nvs_flash.h)
Oct 19, 2024 · I am trying to merge my separate SD card and MQTT code in an ESP-IDF project to enable functionality for sending data from the SD card to the cloud via MQTT. Both the SD card and …
Cannot connecto MQTT from ESP32, using ESPHome config
Apr 4, 2025 · I am learning about MQTT and using ESP8266 with ESPHome, and I am facing a few issues as follows: mqtt: broker: xxxx.s1.eu.hivemq.cloud port: 8883 username: username password: …
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?
ESP32 can't connect on RPI mqtt broker - Stack Overflow
Jan 6, 2025 · Helping my son with his project. I have setup static IP address for RPI3 on old router which runs mqtt broker on 1883 port with user and pass. With laptop on the same network we can send …