Real-time MQTT
IoT Data Pipeline

Connect to public MQTT brokers and visualize real-time sensor data streams

🔗 MQTT Connection

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📨 Real-time Messages

Incoming MQTT messages will appear here

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📨 Message Log

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📡 Subscribed Topics

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📖 MQTT Documentation

Learn about MQTT protocol and topics

🔌 Protocol

MQTT (Message Queuing Telemetry Transport) is a lightweight publish-subscribe messaging protocol for IoT devices.

  • Lightweight and efficient
  • Publish-subscribe model
  • Quality of Service (QoS) levels
  • Last Will and Testament

📁 Topics

Topics are UTF-8 strings that use a forward slash as a separator.

  • iot-backbone/device1/telemetry
  • iot-backbone/+/status (wildcard)
  • iot-backbone/# (multi-level)

🌐 Brokers

Public MQTT brokers for testing and development.

  • test.mosquitto.org:8081 (WebSocket)
  • broker.emqx.io:8083
  • mqtt.eclipseprojects.io

📊 QoS Levels

Quality of Service levels for message delivery.

  • QoS 0: At most once (fire and forget)
  • QoS 1: At least once (acknowledged)
  • QoS 2: Exactly once (assured delivery)