MQTT project

Used Technologies:

• Eclipse-Mosquitto MQTT broker
• Python

Author

• Ramon Melo — Linkedin: /in/ramonmelod

Mqqt basic implementation

• Info: This project is under construction and compose.yml is not ready yet

Instructions:

Installing dependencies and running MQTT broker on docker

• To install dependencies run: pip install -r requirements.txt

• Before running moquitto on docker erase: password_file /mosquitto/config/pass from the file mosquitto.conf then run the comand bellow mapping the path for your file mosquitto.config on your computer.

• for downloading mosquito run: docker run --name mosquitto -it -p 1883:1883 -p 9001:9001 -v ~/Projects/elevator-mqtt-monitor/mosquitto.conf:/mosquitto/config/mosquitto.conf eclipse-mosquitto (check the path to the file mosquitto.conf on your computer) ( this command will downloand the lastest eclipse-mosquitto version)

• After running mosquitto on docker access the shell from the mosquitto container by the command: sudo docker exec -it

• Inside your container run the following commad for defining a User and a Password: mosquitto_passwd -c /mosquitto/config/pass

• Stop the conainer and rewrite inside the file mosquitto.conf: password_file /mosquitto/config/pass

installing Mosquitto broker on your ubuntu

• After running: sudo apt-get update -y && sudo apt-get upgrade -y

run the comands bellow: sudo apt-get update -y && sudo apt-get upgrade -y
sudo apt-get install mosquitto sudo apt-get install mosquitto-clients

• After the instalation of the mosquito and mosquitto-clients on your ubuntu you can test your broker running on the docker container by running the comands bellow:
• mosquitto_sub -t "test"
• mosquitto_pub -m "Mensagem" -t "test"

Setting a virtual environment for python:

• To set a virtual environment for python run the command:

  python -m venv environment_name

then:

  source environment_name/bin/activate

Using a Esp32 to monitor a sign

• the file esp32publisher.py shell be used as code for micropython on a esp32
• this project uses the uses: ESP32_GENERIC-20240222-v1.22.2. You can try other version of micropython, but risks of unexpected behavior are always possible