MQTT 数据转发

Publish device data to your MQTT broker in real-time. MQTT forwarding enables seamless integration with IoT platforms, home automation systems, and industrial applications.

Overview

Device data is automatically published to your MQTT broker, allowing subscribers to receive updates instantly.

【配图占位：设备数据发布到 MQTT Broker 并被订阅端接收的数据流图】

Quick Start

Step 1: Prepare Your MQTT Broker

1. Set up an MQTT broker (or use a cloud service like HiveMQ, EMQX)
2. Create credentials for YenGear IoT Cloud
3. Note your broker host, port, and topic

Step 2: Create a Forwarding Profile

1. Go to Org → Data Forwarding
2. Click + New Profile
3. Select MQTT as the type
4. Enter your broker details
5. Click Save

【配图占位：MQTT 转发配置弹窗截图】

Configuration Options

Option	Required	Description
Host	Yes	MQTT broker hostname
Port	Yes	Broker port (1883 or 8883 for TLS)
Topic	Yes	Topic to publish messages
Username	No	Authentication username
Password	No	Authentication password

Message Format

Messages are published as JSON:

{
  "project_id": "proj-xyz",
  "timestamp": 1709856000,
  "points": [
    {
      "point_id": "POINT_ID_FROM_PLATFORM",
      "value": 25.5,
      "unit": "°C"
    }
  ]
}

Security Tips

• Use port 8883 with TLS encryption
• Create a dedicated user with publish-only permissions
• Use strong passwords

Troubleshooting

Problem	Solution
Connection refused	Verify broker host and port
Authentication failed	Check username and password
Messages not received	Verify topic subscription pattern
TLS errors	Ensure TLS is properly configured

Use Cases

• Real-time Monitoring: Subscribe to device updates instantly
• Home Automation: Integrate with Home Assistant, OpenHAB
• Industrial IoT: Connect to SCADA systems
• Cloud Platforms: Stream to AWS IoT, Azure IoT Hub

Need Help?

Contact us at [email protected] for technical support.