This is a very early/incomplete/broken example of MQTT over Websockets for
test.mosquitto.org. Play around with the buttons below, but don't be
surprised if it breaks or isn't very pretty. If you want to develop your own
websockets/mqtt app, use the url ws://test.mosquitto.org/mqtt , use
subprotocol "mqtt" (preferred) or "mqttv3.1" (legacy) and binary data. Then just treat the websocket as a
normal socket connection and read/write MQTT packets.
Usage
Click Connect, then use the Publish and/or Subscribe buttons. You should
see text appear below. If you've got another mqtt client available, try
subscribe to a topic here then use your other client to send a message to
that topic.
Broker
Publish
Topic:
Payload:
Subscribe/Unsubscribe
Topic:
Versuch einer Verbindung über http://test.mosquitto.org