An MQTT to Websocket bridge for ESP32 is required

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I have an ESP32 based IoT device. It is programmed using Arduino C++. I use PubSubClient to communicate with the public MQTT broker EmQx. TLS security is enabled.

Now I want to convert this device into an MQTT-Websocket bridge:

  1. it should receive data through MQTT and

  2. broadcast it on the local LAN, over a web socket connection, to many other IoT devices.

Since the websockets are confined to my LAN, I will be contented to have very basic websocket communication without encryption. The ESP32 should act as an MQTT client and a Websocket server at the same time.

Is there any sample code for an MQTT-web socket bridge that I can refer to?

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