Node-RED: Lecture 3 – Example 3.7 Using Websockets with Node-RED

Websockets are another useful communication capability that is built into Node-RED via the the websocket node. Websockets provide a duplex TCP connection and were designed to allow web browsers and servers to maintain a ‘backchannel’ that could be used to augment traditional HTTP interactions, allowing servers to update web pages without the client making a new pull request.… Read the rest