</pre>

Many tutorials are available on the Internet showing how to develop, test, and deploy Node-RED based applications. Here, a simple example is shown. It consists of one flow that performs the following operations every 5 seconds (please note that the execution of the flow is triggered by a 5-second periodic timer):

*logging in the local debugger window a message containing the timestamp associated with the timer

[[File:SBCSPG-Node-RED-MQTT-out.png|thumb|center|600px|''MQTT out'' node configuration]]

[[File:SBCSPG-Node-RED-file-out.png|thumb|center|600px|''File'' node configuration]]