Knowledge Base

Resources & Articles

Explore our collection of articles on MQTT, IoT, and best practices for data visualization.

A Deep Dive into the MQTT Broker

An in-depth look at the MQTT broker, its core responsibilities, and key features like Quality of Service (QoS), topic filtering, wildcards, retained messages, and Last Will and Testament.

Getting Started with ESP32 and MQTT: A Beginner's Guide

Learn how to connect your ESP32 microcontroller to an MQTT broker to publish sensor data and subscribe to commands. This step-by-step tutorial covers the hardware, Arduino IDE setup, and code needed to build your first IoT device.

How to Use MQTT for a Unified Smart Home

Learn how to build a unified smart home system using MQTT as the central messaging backbone, integrating devices from different brands and creating powerful automations.

MQTT QoS Explained: Understanding QoS 0, 1, and 2

A complete guide to MQTT Quality of Service (QoS). Learn the differences between QoS 0, 1, and 2, and when to use each level for reliable IoT messaging.

MQTT Sparkplug B: A Game-Changer for Industrial Messaging

Discover how Sparkplug B enhances MQTT for industrial applications by providing stateful awareness, standardized payloads, and auto-discovery of devices and tags.

MQTT vs. HTTP: Choosing the Right Protocol for Your IoT Project

A detailed comparison of MQTT and HTTP for IoT applications. Understand the key differences in architecture, overhead, power consumption, and reliability to make the right choice.

The Next Generation of MQTT Brokers: Agentic Architecture with Synapse

Explore the evolution of MQTT brokers from simple message routers to intelligent, agentic platforms like MQTTfy Synapse that enable in-stream data processing, enrichment, and validation.

Getting Started with Predictive Maintenance for IIoT

A foundational guide to implementing predictive maintenance using IoT sensors and MQTT. Learn about data collection, analysis, and building a system to forecast equipment failures.

How to Set Up a Raspberry Pi as an MQTT Broker

A step-by-step guide to installing and configuring the Mosquitto MQTT broker on a Raspberry Pi, creating a reliable, local hub for your smart home or IoT projects.

The Power of Real-Time Monitoring with MQTT and Dashboards

Learn why real-time monitoring is critical for modern operations and how to build effective dashboards using MQTT to visualize live data from IoT devices and systems.

The Role of MQTT in Modern IIoT and SCADA Systems

Learn how MQTT is revolutionizing traditional SCADA systems by enabling secure, scalable, and real-time data communication between IT and OT networks.

Securing IoT Devices and MQTT Communication: A Practical Checklist

An essential guide to IoT security, covering best practices for securing devices, MQTT brokers, and communication channels, including TLS encryption, authentication, authorization, and network segmentation.

Top 10 Industrial IoT (IIoT) Use Cases Revolutionizing Manufacturing

Discover the top 10 real-world applications of the Industrial Internet of Things (IIoT), from predictive maintenance and real-time asset tracking to supply chain optimization and worker safety.

Understanding the MQTT Publish-Subscribe Model

A fundamental guide to the MQTT publish-subscribe (pub-sub) pattern, explaining topics, brokers, clients, and how they enable scalable and decoupled IoT communication.

What is MQTT? A Complete Guide for Beginners

A comprehensive guide to MQTT, the standard messaging protocol for IoT. Learn about its architecture, core concepts like pub-sub, topics, QoS, and why it's ideal for connected devices.

What is MQTT? A Deep Dive for AI Agent Developers

Go beyond the basics. Understand MQTT architecture, topic design, and payload structure specifically for building intelligent AI agents that can interact with the physical world.

What is MQTT Protocol? A Detailed Explanation

An in-depth explanation of the MQTT protocol, covering its publish-subscribe model, broker architecture, Quality of Service (QoS), and why it's the leading choice for IoT.

What is the Internet of Things (IoT)?

A beginner's guide to the Internet of Things (IoT). Learn what IoT is, how it works, its key components, and explore real-world examples from smart homes to industrial applications.

The Autonomous Factory: AI Agents for SCADA, Maintenance & Operations

Discover how specialized AI agents are revolutionizing manufacturing by creating autonomous factories. Learn the architecture for maintenance, operations, and SCADA automation.

From Data to Decisions: Leveraging Historian AI Agents

Transform your SCADA data historian from a passive data repository into an active, intelligent asset with AI agents. Learn architectures for predictive analytics, anomaly detection, and operational intelligence.

Unlocking Operational Excellence: A Deep Dive into Industrial IoT AI Agents

Discover how AI Agents are transforming Industrial IoT by moving beyond data visualization to autonomous action. Learn the architecture, implementation, and impact of creating intelligent digital workers for your factory floor.

Beyond the Broker: Building Intelligent AI Agents with MQTT and Sparkplug B

Go beyond basic MQTT pub/sub. Learn how to architect intelligent AI agents that leverage the stateful awareness of Sparkplug B and the flexibility of MQTT to create robust, autonomous industrial systems.

The End of IFTTT? How Local-First AI Agents are Building the Truly Smart Home

Move beyond cloud-dependent routines. Learn how a local-first AI agent architecture using MQTT and local LLMs can create a faster, more private, and truly intelligent smart home.

Analyzing Real-Time Audio with the Soundscape Widget

Learn how to visualize and analyze real-time audio from microphones or MQTT streams using the innovative Soundscape Widget in our IoT dashboard. Master FFT settings, decibel monitoring, and more.

Stream Images from ESP32-CAM to MQTTfy Dashboard via MQTT

A comprehensive tutorial on how to program your ESP32-CAM with Arduino IDE to capture and send images as Base64 data URIs over MQTT to a real-time dashboard like MQTTfy. Includes full code and setup instructions.

Wireless Home Automation: Control Relays with ESP32 and MQTTfy Dashboard

Learn to build a complete home automation system using an ESP32, relays, and the MQTTfy dashboard. This guide provides full Arduino code, circuit diagrams, and steps for AI-powered voice control.

Mastering IoT Visualization with Interactive Floorplan Widgets

A complete tutorial on using the Floorplan Widget in MQTTfy to create dynamic, interactive smart home or industrial IoT dashboards. Learn how to add hotspots, connect them to MQTT data sources, and visualize real-time status on a custom floor plan.

Sharing and Embedding Your Dashboards

Learn how to share a live, read-only version of your dashboard and embed it into other websites, wikis, or internal tools.

Connecting PLC Modbus Data to Your MQTTfy Dashboard

A comprehensive guide on using an MQTT gateway to stream data from industrial PLCs with Modbus protocol to your MQTTfy dashboard for real-time monitoring and control.

Exploring MQTT 5 Features

Dive into the new features of MQTT version 5 and how they improve scalability, error handling, and session management for modern IoT applications.

MQTT Security Best Practices

Essential tips for securing your MQTT infrastructure, from authentication to encryption.

An Introduction to MQTT

Learn the fundamentals of the MQTT protocol, including topics, brokers, publishers, and subscribers.

Getting Your Gemini API Key for the AI Assistant

A step-by-step guide to obtaining a Google AI Gemini API key and enabling the AI-powered features in your MQTTfy dashboard.

The Art of Data Visualization

Techniques for choosing the right charts and graphs to represent your IoT data effectively.

Case Study: Smart Home Automation

Unify your smart home devices, allowing you to monitor and control lights, thermostats, and security cameras from a single dashboard.

Case Study: Smart Farming & Agriculture

Track soil moisture, ambient temperature, and automate irrigation systems, leading to better crop yields and resource conservation.

Case Study: Smart City Applications

Monitor public infrastructure, such as the status of smart streetlights or waste bin fill-levels, to create more efficient city services.

Case Study: Retail Analytics

Use sensors to track store foot traffic and combine it with sales data on a real-time dashboard to understand customer behavior.

Case Study: Industrial Machinery Monitoring

Connect to PLC data via an MQTT bridge to visualize machine uptime, temperature, and output, enabling proactive maintenance.

Case Study: Fleet Management & Logistics

Visualize vehicle GPS data, fuel levels, and delivery status on a map widget to optimize routes and improve supply chain visibility.

Case Study: Environmental Monitoring

Display real-time data from air and water quality sensors on a public-facing dashboard to inform communities.

Case Study: Energy Management

Visualize power consumption from smart meters in a home or office building, helping to identify waste and promote energy-saving habits.

Case Study: Aquaculture Monitoring

Track critical water quality parameters like pH, temperature, and dissolved oxygen in fish farms to ensure optimal conditions.

Using the Camera Widget with a Raspberry Pi

A guide to streaming from a Raspberry Pi camera to your MQTTfy dashboard using Firebase.

How to Build an Effective IoT Dashboard

Principles and practices for designing dashboards that provide clear, actionable insights.