I've been hacking round for about a week trying to work this out, so finally cracked and asked a question:  My setup is Raspberry Pi 2 running Apache and IBM's Node-Red. I'm using Apache to serve up a simple web page which calls Node-Red...
I started using Node-Red to develop an MQTT dashboard, I just starting with a simple example to subscribe to a topic and debug the message. However, I couldn't get the json value of my message and convert it from base64 to a string.  my message l...
I am using node-red to get the signal of my load cell. I receive the value of the load cell using MQTT (from my python script), then I would like to save the first 5 value coming from MQTT to compute the offset of my load cell. Then when I will have...
I am working in Node-RED and want to change a multi line string into a single line string. (the string is a base64 encoded image uploaded from another service) strg.replace does not work......
Ultra green on this stuff!  I am working with Node Red on Bluemix within the Bluemix Web IDE and also some custom javascript within Node Red. I am trying to get the right date and time through daylight savings and was referred to use Moment-Timezone....
In Node-RED, how do I return multiple messages on function blocks, one for each output?  I tried this based on documentation, with no success.   msg1 = "1" msg2 = "2"; msg3 = "3";  msg.payload = [msg1, msg2, msg3];  return msg...
I'm parsing a json object in a node-red function. The results are between 0 and 30 msg.payloads, which are returned as an array from the function. These messages are send to a mqtt node for further processing. It seems that the mqtt node (or the...
My array payload is like: msg.payload[index].temp. I cut the array in single parts to publish the single parts of the array via MQTT.   So I got msg.payload.temp and msg.parts.index.   msg:{        payload:{                     address: "e4:32:a3...
I am working in node-red program and I use an OPCUA node that returns in the payload an array of objects.    I need to get some variables of the objects, for example, the nodeId of the item; and I try with the next format:  var newMsg = { payload: ms...
i try with Node Red to build an query to send multiple values to an influxDB from a loop with this code:    var inputArray = msg.payload; var lenInputArray =inputArray.length; var modbusStartRegister = 14000;  var sendString = "";  var msg93...

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