Node-RED Fundamentals

• Node-RED Architecture Overview
• Flow Design Principles
• Node Types and Palette
• Deploy Strategies
• Inject and Debug Nodes
• Function Node Programming
• Message Payload Manipulation
• Multi-Output Function Nodes
• JSON Data Processing
• Variable Scopes and Context
• Flow and Global Variables
• Join Node for Data Aggregation
• MQTT Broker Configuration
• MQTT In/Out Nodes
• InfluxDB Integration
• Grafana Data Visualization
• MariaDB SQL Operations