MQTT
9 articles tagged "MQTT" on the MQTT Explorer blog.
This collection brings together every MQTT article published on the MQTT Explorer blog. "MQTT Topic Design: Best Practices for Naming and Wildcards", "MQTT vs HTTP for IoT: Which Protocol Should You Use", "MQTT vs Direct Database Writes from IoT Devices: Why the Broker Wins". 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.
MQTT Topic Design: Best Practices for Naming and Wildcards
MQTT topic naming rules, forward-slash hierarchy, the + and # wildcards, shared subscriptions, ACL security, and the anti-patterns that bite teams in production.
Read articleMQTT vs HTTP for IoT: Which Protocol Should You Use
MQTT vs HTTP for IoT: publish/subscribe vs request/response, 2-byte headers vs hundreds, push vs poll, QoS guarantees, and when to use each protocol.
Read articleMQTT vs Direct Database Writes from IoT Devices: Why the Broker Wins
Why IoT devices that INSERT directly to Postgres, MySQL, or SQL Server break at scale (connection limits, schema coupling, no offline buffering, credential sprawl), and why an MQTT broker feeding a single ingest bridge is the architecture that survives a field fleet.
Read articleMQTT Keep Alive Explained: What It Is, How to Tune It, and Why Clients Disconnect
MQTT keep alive explained: the CONNECT packet field, the 1.5x timeout rule, PINGREQ/PINGRESP, how brokers detect dead clients, and how to choose the right interval for IoT devices.
Read articleMQTT 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.
Read articleMQTT Explorer vs MQTT Explorer: Native Mac MQTT Without Electron
The Electron MQTT Explorer costs 300MB RAM and 10s to launch. Native MacTools MQTT Explorer is Apple Silicon, <50MB RAM, instant, with a built-in broker. $14.99 one-time.
Read articleMQTT Sparkplug B Explained: Industrial IoT Protocol Guide (2026)
MQTT Sparkplug B explained for industrial automation. Understand topics, payloads, birth/death certificates, data types, and how Sparkplug B compares to basic MQTT.
Read articleMQTT QoS Levels Explained: When to Use QoS 0, 1, or 2
MQTT QoS 0, 1, and 2 explained with practical examples. At-most-once, at-least-once, exactly-once delivery for IoT and industrial systems.
Read articleMQTT Broker on macOS: Run One Without Homebrew or Terminal
How to run an MQTT broker on macOS without Homebrew, Terminal, or mosquitto. Native MQTT broker and client with GUI for macOS.
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