I want to send asynchronous data to the node on configuration. I want to  perform a SQL request to list some data in a .   On node creation, a server side function is performed When it's done, a callback send data to the node configuration On nod...

I'm trying to understand existing code of the Switch node in node-red to deal with and make my own node correctly.  I'm stuck with these lines :  var operators = [                 {v:"eq",t:"=="},                 {v:"neq&#...

experienced programmer, inexperienced javascript programmer.  I am working with Node-RED and in one of my nodes, I am calling an external program with 'child_process' which sends data back to my node via stdout.  I am using console.info(stdou...

The situation: My sensor measures data, that I process in a NodeRED-function and afterwards parse into a JSON-object. The NodeRED-function allows me to write JavaScript-Code. The JSON-object gets send to a receiving module, written in C++, that works...

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 can't find the console for Node-RED.  Do I have to use Node-RED Runtime API's RED.log()? Some Node-RED frontends, like FRED, seem to have a console. Also here a console is mentioned.  Is there a console accessible on the shell, or do I have...

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 trying to make a calendar app for my iot webapp. I am using node red for that purpose. Whenever I pass the message the double quote gets converted to "  events = [     {         " occ": "1",         &...

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......