What is Node-RED and how does it relate to the Internet of Things (IoT)? Node-RED is an open source programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It is used to create IoT applications by connecting hardware devices, APIs, and online services together in a visual, drag-and-drop environment. It is an ideal tool for quickly prototyping and deploying IoT applications.
Vaibhav Kothiaflows.