All Questions
Tagged with micropython mqtt
30 questions
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223
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MQTTClient throws error when trying to connect
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
from umqtt.simple ...
- 1,973
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233
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Getting ECONNRESET Error When Publishing Data to MQTT Broker Using paho-mqtt in Python
I'm doing a project for class, and I need to send data values from a device to other. I thought that the best option was to use MQTT.
I'm using the broker test.mosquitto.org. I need to send ...
- 1
0
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1
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88
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ESP8266 umqtt OSError -1
I have an ESP8266. On this board I'm running the newest Version of the MicroPython firmware (1Mib).
I have a Java Vaadin Web Application with 2 Buttons. One Button is for publishing, that the LED ...
- 1
0
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0
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186
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publish secure data to thingspeak (micropython) TLS
I recently startd a project on IOT. I use micropython, MQTT, ESP32, DHT11.
At first step I published my DHT11 sensor data on thingspeak and visualized (port 1883). Now I want to publish secure data ...
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1
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278
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Problem in connecting esp32 to local MQTT broker
I am having problem in connecting esp32 to local MQTT broker using the following micropython code
from umqtt.simple import MQTTClient import network import utime as time # Device Setup DEVICE_ID = &...
- 1
0
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1
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451
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MQTT: Connection to Azure IoT Hub (Micropython)
I'm unable to connect to Azure IoT Hub using the umqtt.simple2 library with SSL using MicroPython v1.22.2.
from umqtt.simple2 import MQTTClient
HUB_HOSTNAME = "AzureIoTHubHostName"
PORT = ...
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0
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75
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main.py file with MQTT protocol that can connect to AWS Iot core is not working
I have been working on Pi Pico w board that connects to AWS Iot core using MQTT protocol and my code is working fine when run on IDLE. But the problem is when i save my file as main.py and trying to ...
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1
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796
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Can't connect Raspberry Pi Pico W to MQTT broker, not getting CONNACK
I am trying to connect a Raspberry Pi Pico W to a virtual machine which runs a MQTT broker and Node-RED server. MQTT broker is password protected. I added MQTT broker IP in the MQTT node on Node-RED ...
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0
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79
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Why didn't I get the message "mqtt problem" micropython
I am writing code on esp32 to be a MQTT publisher and when I run the program on esp32 I get a message on terminal "success send a data" but when I see on my subscriber program on python I ...
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1
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352
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How to send more than one value to my MQTT Broker
I am using an ESP32 microcontroller to read data via the sensor MPU6050.
I am sending the data directly to my MQTT broker and then to a database (using Node-red).
My Question is, how can I send 100 ...
- 1
0
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1
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740
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MQTT messages going to broker but not client
I have a project publishing MQTT messages from an ESP to a broker running on a Pi, and client running on the Pi. Messages are reliably getting from the ESP to the broker, as I can observe them using ...
- 1,281
0
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1
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546
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Mqttnet client data crashes the subscribe code
I got the sample Mqttnet code (for publish and subcribe) from GitHub https://github.com/dotnet/MQTTnet/tree/master/Samples/Client
I am sending MQTT message to hivemq.cloud free private cluster port ...
- 599
0
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1
answer
139
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Publish stream to MQTT broker
For a weather station using Raspberry Pi Pico W, a Pimoroni Pico Explorer board and a BME280 breakout board I get the Raspberry Pico to publish to a topic when a button is pressed. But how to get it ...
0
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0
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191
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MQTT on a RPi Pico - script fails due to timeout (I think)
Apologies for the basic request here. I have a Pico Enviro+ and am using the script here to send data to my MQTT server.
The script fails after approx 12-14hrs. It used to fail after 5-6hrs, but I ...
1
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0
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842
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MQTT.Simple Loses Connection to AWS IoT
I have a Raspberry Pi Pico W that I am trying to get to communicate with AWS IoT, and after about 12-24 hours it seems to lose its connection. I have the keep alive set and I can see it's pinging the ...
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