In my case, the node looks like Figure A. Figure A Your http request node probably looks rather lonely, and if you’re new to Node-RED, you may be wondering how to activate it.

Node-RED feels like it’s made specifically to be used with MQTT, the popular Internet of Things protocol for which Elliot Williams has written a fantastic guide.

I first wrote about Node-RED last February in a post about Hilscher’s netIOT Industrial Cloud Communication technology. Now, Opto 22has announced the availability of Node-RED for its programmable ...