MQTT Protocol: How Cars Share Their Location: MQTT Explained

MQ Telemetry Transport (MQTT), was originally developed internally by IBM, is a lightweight messaging protocol that uses a publish/subscribe model. It's super popular for machine-to-machine (M2M) communication, especially in low-bandwidth situations. Nowadays, you’ll find it in a ton of industries, from smart homes to automotive, industrial automation, and healthcare.

MQTT Versions
MQTT v3.1.0
MQTT v3.1.1
MQTT v5

MQTT Demo Python code
https://github.com/masjadaan/mqttDemo

Commands
sudo apt install mosquitto mosquitto-clients
sudo systemctl enable mosquitto

Configuration
nano /etc/mosquitto/conf.d/myCustomBroker.conf
My custom configuration
listener 1883 192.168.178.20

Security Risk: Allow clients to connect without authentica
allow_anonymous true

Logging
log_type all

Max allowed connection
max_connections 10

Start Mosquitto
mosquitto -c /etc/mosquitto/conf.d/myCustomBroker.conf -v

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Disclaimer: This article is for educational purposes only.

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