This blog provides a deep dive into MQTT—a lightweight publish-subscribe protocol ideal for constrained devices and unreliable networks. We cover protocol fundamentals, QoS levels, retained messages, and LWT, while addressing real-world challenges like reconnection handling, TLS security, broker scalability, and payload optimization. Includes best practices, MQTT v5 insights, and a practical case study for robust IoT deployments.

From drought-prone California farms to advanced flood systems in the Midwest, this article explores the full spectrum of America’s water challenges — and the smart tech leading the way. Dive in to see how Ellenex is helping shape the future of water management, one sensor at a time.