Retained

1 article tagged "Retained" on the MQTT Explorer blog.

This collection brings together every Retained article published on the MQTT Explorer blog. "MQTT Retained Messages and Last Will: Explained with Examples" — each one is a practical, hands-on guide written for engineers and system integrators who work with MQTT Explorer in real industrial deployments. Whether you are choosing between protocols, troubleshooting a connection, or planning an integration, these articles cover the concepts, the trade-offs, and the step-by-step details you need.

1 article

July 11, 2026·Guide

MQTT Retained Messages and Last Will: Explained with Examples

Retained messages give new subscribers instant state; Last Will publishes on ungraceful disconnect for offline detection. Concrete topic and payload examples included.

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