“In this tutorial, you’ll learn how to publish images from an ESP32-CAM board to multiple browser clients using MQTT (Message Queuing Telemetry Transport). This setup will enable you to create a platform that functions similarly to a live video stream, viewable by an unlimited number of users.
Prerequisites
Before diving in, make sure you have completed the following prerequisite tutorials:
- Your First Xedge32 Project: This tutorial covers essential setup and configuration instructions for Xedge32 running on an ESP32.
- Your First MQTT Lua Program: This tutorial introduces the basics of MQTT and how to write a simple Lua program to interact with MQTT.
By building on the knowledge gained from these foundational tutorials, you’ll be better equipped to follow along with this tutorial.
Publishing ESP32-CAM Images via MQTT
In the MQTT CAM code, our primary focus is publishing images without subscribing to other events. This publishing operation is managed by a timer event, which publishes images based on the intervals specified.”