1. JavaScript Programming Knowledge: Node-RED is a JavaScript-based programming language, so having a good understanding of JavaScript is essential for using Node-RED effectively.
2. Data Visualization: Node-RED provides a visual programming interface, so having a good understanding of data visualization techniques is important for creating effective visualizations.
3. Node.js Knowledge: Node-RED is built on top of the Node.js framework, so having a good understanding of Node.js is essential for using Node-RED effectively.
4. Debugging Skills: Debugging is an important part of using Node-RED, so having good debugging skills is essential for finding and fixing errors.
5. Understanding of IoT Protocols: Node-RED can be used to connect to IoT devices, so having a good understanding of the various IoT protocols is important for creating effective solutions.