MQTT

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Connect to a MQTT server

1. Enter the MQTT server “URL” and click on “Connect”.

   wss://test.mosquitto.org:8081
   

2. Check the log to see if the connection was successful or not.

3. To test your server add messages under a topic and publish it.

4. Other devices in the server that have subscribed to the topic will get your messages.

5. You can receive messages by subscribing to a topic that another device in the server transmits.

6. Monitor the log for results.

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Sending messages

Write your message in the “Message” input field under the “Communication” tab and click on the “Publish” button. Type in the “Topic” input field to send a message with a topic. The message you send will be displayed on the “Logs” pane.

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Subscriptions

Click on the “New Subscription” button to add a new subscription. Enter the topic name and click on the “Subscribe” button to subscribe to the topic. The messages you receive will be displayed on the “Logs” pane.

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Troubleshooting

1. Make sure you enter a valid MQTT URL, they always start with the protocol format ws://.
2. Do not add invalid/incorrect authorization tokens before you connect to a MQTT server.