Learn what Node-RED is, how flow-based and event-driven programming works, and where Node-RED fits across home automation, IoT, IT, OT, edge, cloud, and industrial environments.

Build the essential Windows 11, PowerShell, file-system, IP addressing, port, DNS, firewall, and connectivity skills needed to install, access, and troubleshoot Node-RED confidently.

Install and verify Node.js and Node-RED on Windows 11, explore the Node-RED user directory, enable safe LAN access, and troubleshoot or reinstall the runtime when necessary.

Build your first working Node-RED flow, configure Inject and Debug nodes, deploy and test changes, trace messages, document your work, and export a reusable flow.

Navigate the Node-RED 5 editor efficiently, customize its workspace and sidebars, organize nodes visually, use search and keyboard shortcuts, and apply accessibility and productivity settings.

Develop maintainable Node-RED applications by applying consistent naming, layout, documentation, grouping, testing, and deployment practices while learning how to recognize and refactor confusing flows.

Master four essential Node-RED nodes and use typed inputs, property paths, context values, and routing rules to build and troubleshoot a practical multi-route message processor.

Understand the msg object in depth, including payloads, topics, identifiers, nested properties, arrays, message mutation, cloning, and techniques for tracing data through multi-step flows.

Handle strings, numbers, Booleans, objects, arrays, buffers, missing properties, and invalid values while building a reusable validation flow for reliable real-world telemetry.

Learn how to read, create, parse, stringify, navigate, validate, and transform JSON data so you can work confidently with APIs, devices, databases, and structured Node-RED messages.

Use JSONata to select, filter, map, reshape, calculate, aggregate, and transform data within Node-RED, and learn when JSONata offers a cleaner solution than JavaScript.

Process and convert common text and structured-data formats, build templates with HTML and CSS, parse web content, and create a flexible multi-format data-conversion pipeline.

Learn the practical JavaScript concepts needed for Node-RED, including variables, data structures, control flow, functions, methods, transformations, dates, error handling, promises, and asynchronous logic.

Create powerful Function nodes that modify and route messages, manage multiple outputs, work asynchronously, use context, report errors and status, and apply reusable logic without overcomplicating flows.

Manage node, flow, and global state; configure persistent context stores; use environment variables; and build one adaptable stateful flow for development, testing, and production environments.

Control message sequences and timing with Split, Join, Sort, Batch, Delay, and Trigger nodes while implementing aggregation, rate limiting, smoothing, debounce, watchdog, and device-protection patterns.

Design flows that fail safely by capturing errors and status changes, standardizing error messages, tracking completion, routing failures, applying bounded retries, and validating recovery through fault injection.

Transform large flows into maintainable systems using Link nodes, callable service flows, configurable subflows, reusable components, and practical architecture decisions for modular Node-RED development.

Share flows safely, manage configuration nodes and credentials, install and maintain community packages, evaluate compatibility and security, and build a quality gate for third-party Node-RED nodes.

Read, write, append, watch, and parse files; handle buffers and Base64 data; call Windows commands safely; and build a practical Windows system-monitoring application.

Understand HTTP requests, responses, methods, routes, headers, parameters, bodies, content types, and status codes while designing and building a validated Node-RED CRUD REST API.

Connect Node-RED to external APIs, configure authentication, process responses and errors, manage timeouts and rate limits, send and receive webhooks, and build a weather-data pipeline.

Compare and implement WebSocket, TCP, and UDP communication, work with framing and binary payloads, manage connections and reconnections, and troubleshoot socket-based Node-RED flows.

Learn MQTT architecture, topics, wildcards, payload design, QoS, retained messages, Last Will and Testament, sessions, and Node-RED MQTT nodes while building a publish-and-subscribe system.

Compare MQTT brokers, install Mosquitto on Windows 11, connect multiple brokers, secure communications with authentication and TLS, design scalable topic structures, and monitor offline devices.

Explore Sparkplug B namespaces, metrics, edge nodes, devices, birth and death messages, and state awareness while building a simulated industrial telemetry flow over MQTT.

Learn relational database and SQL fundamentals, protect queries from injection, integrate SQLite with Node-RED, store and retrieve historical information, and build a compact data historian.

Compare and integrate leading relational databases, apply parameterized queries and transactions, secure connections, manage connection pools, diagnose failures, and port flows between database platforms.

Compare document and time-series databases, integrate MongoDB and InfluxDB, store and query telemetry, manage timestamps and retention, and build an environmental time-series historian.

Install and configure FlowFuse Dashboard, understand its page and widget architecture, display and collect live data, and build and troubleshoot your first complete Node-RED dashboard.

Create responsive, accessible, multi-page dashboards with themes, historical charts, database data, dynamic widgets, and custom styling while learning how to migrate legacy node-red-dashboard projects.

Design event-driven smart-home automations for sensors, lighting, plugs, energy monitoring, schedules, presence, overrides, MQTT devices, and notifications while building a complete home automation controller.

Integrate Node-RED with Home Assistant and evaluate smart-home connectivity through Philips Hue, Zigbee, Z-Wave, Matter, MQTT, and APIs while addressing security, privacy, and troubleshooting.

Deploy Node-RED on Raspberry Pi, work safely with GPIO and sensors, build an MQTT edge gateway, design ESP32 telemetry, simulate hardware, and plan offline operation, security, and backup.

Understand Windows COM ports, serial settings, USB adapters, RS-232, RS-485, framing, buffers, and Node-RED serial nodes while preparing for reliable Modbus RTU communications.

Learn how PLCs, HMIs, SCADA, MES, historians, industrial networks, and edge gateways work, where Node-RED belongs in OT, and which deterministic and safety-critical functions it must never replace.

Master Modbus data areas, function codes, addressing, offsets, package selection, polling, timeouts, and troubleshooting while building a simulated Modbus TCP server and monitoring system.

Communicate with Modbus RTU devices over RS-485, decode signed values, floating-point data and bit fields, correct byte and word order, scale registers, and build a reusable normalization layer.

Explore OPC UA architecture, namespaces, NodeIds, browsing, subscriptions, security policies, certificates, and authentication while connecting Node-RED to a simulator and building a secure monitoring flow.

Understand Siemens PLC families, S7 addressing, current integration nodes, polling and change detection, safe read/write practices, PROFINET limitations, security, and simulator-based troubleshooting.

Learn Rockwell PLC integration options, EtherNet/IP and CIP fundamentals, tag-based and legacy addressing, safe data access, polling strategies, device-load management, security, and troubleshooting.

Apply a vendor-neutral strategy to major PLC brands, compare available protocols and community nodes, and create a practical test plan for secure, maintainable industrial integration.

Understand BACnet/IP objects and properties, KNX integration options, community-node evaluation, data normalization, network segmentation, and secure Node-RED integration within building automation systems.

Monitor infrastructure with SNMP, examine secure SNMPv3 operation, explore DNP3 utility applications and CAN/CAN-FD communications, and understand package, platform, security, and troubleshooting limitations.

Compare message queues and event streams, integrate Node-RED with RabbitMQ and Kafka, understand routing and acknowledgments, and design secure, reliable systems that handle backpressure and failure.

Design a production-style telemetry pipeline that validates, normalizes, enriches, timestamps, filters, aggregates, correlates, and routes multi-vendor data to storage, dashboards, alerts, and downstream systems.

Build an industrial operations dashboard that presents machine states, production counts, alarms, trends, downtime, energy use, and OEE while respecting the limits of non-safety-certified visualization systems.

Prepare flows for real-world failures with timeouts, retries, reconnection, stale-data handling, watchdogs, error queues, store-and-forward, state recovery, and controlled degraded operation.

Apply a repeatable troubleshooting method across flows, runtime logs, browser tools, APIs, MQTT, sockets, databases, files, serial devices, Modbus, OPC UA, industrial protocols, and performance problems.

Create and manage Node-RED Projects, handle dependencies and encrypted credentials, use essential Git concepts, configure settings.js, run multiple instances, and migrate projects safely between environments.

Run Node-RED automatically on Windows, create complete backups, restore and validate runtimes, plan safe Node.js and Node-RED upgrades, test breaking changes, and prepare reliable rollback procedures.

Threat-model Node-RED, configure editor and Admin API authentication, protect HTTP endpoints and dashboards, secure credentials and environment variables, reduce attack surface, and validate controls through testing.

Understand certificates, private keys, trust chains, HTTPS configuration, PFX/P12 files, renewal, reverse proxies, authentication, security headers, and practical methods for diagnosing TLS failures.

Design secure Node-RED network architecture using firewalls, VLANs, industrial zones and conduits, DMZs, VPNs, jump hosts, Zero Trust principles, asset management, IEC 62443, and NIST guidance.

Create structured logs, monitor runtime resources and message health, track device and service connectivity, build watchdogs and operational dashboards, and generate meaningful health alerts.

Measure and improve Node-RED performance by addressing blocking code, payload size, message frequency, database writes, dashboard and MQTT throughput, state management, scaling approaches, redundancy, and failure domains.

Deploy Node-RED with Docker and Docker Compose, manage volumes and upgrades, translate administration skills to Linux and virtual machines, and design secure, offline-capable edge systems.

Compare edge and cloud processing, explore Node-RED deployment and integration patterns across AWS, Azure, and Google Cloud, and address identity, secrets, cost, latency, resilience, and hybrid architecture.

Build a secure multi-channel notification pipeline using email, collaboration platforms, messaging apps, SMS services, and webhooks while controlling authentication, retries, duplication, escalation, and alert fatigue.

Connect Node-RED to cloud or local language models for classification, summarization, and event enrichment while validating structured responses and managing privacy, security, hallucinations, cost, latency, and human oversight.

Create repeatable tests using known inputs, expected outputs, simulated sensors and services, endpoint validation, fault injection, regression techniques, current testing frameworks, and a reusable Node-RED test harness.

Design, build, document, secure, test, package, publish, and maintain custom Node-RED nodes using runtime JavaScript, editor HTML, typed properties, configuration nodes, credentials, status, and error handling.

Use Node-RED's official GitHub organization, repositories, releases, changelogs, issues, pull requests, source code, contribution guidance, forum, and community resources to research problems and stay current.

Create professional technical documentation, architecture diagrams, inventories, runbooks, maintenance procedures, environment separation, acceptance tests, ownership records, and production deployment and rollback plans.

Combine your skills to design, build, secure, test, document, back up, and validate a complete home or IoT system with devices, MQTT, storage, dashboards, automation, notifications, and failure recovery.

Create a secure simulated industrial solution that integrates PLC, Modbus, or OPC UA data with MQTT, historization, dashboards, alarms, health monitoring, segmentation, testing, recovery, and operational documentation.

Review every major Node-RED competency, evaluate your progress, plan continued practice and future updates, submit your final project, and demonstrate your knowledge through the cumulative final examination.