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...

Noob looking for help...  I have a JSON stream of data which looks like this..      {   "header" : {     "content" : "telegram",     "gateway" : "EN-GW",     "timestamp" : "2016-08-08T13:45:47.032+0...

I have a script to bring a current time on LCD in Raspberry PI.  LCD is connected with Raspberry PI tested working fine.  I created a script name index.js inside ~/.node-red folder, and have installed LCD node module inside the same ~/.node-red folde...

I am working on node red (SNMP).  When I deploy, I have the output below:     [ { "oid": "1.3.6.1.2.1.10.21.1.2.1.1.2.1.26", "type": 2, "value":   104, "tstr": "Integer" }, { "oid": "1.3.6.1...

I am writing a function node in node-red that is taking in a JSON object with arbitrary key val pairs:   { 30000c690b61: "m8Jp_M7Lc0",   30000c290bdc65: "S3qg3Rkl8Y",    30000c290bdf1c: "KsLpfVrR4W",    30000c290be5d0: "oX...

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&#...

I need to get the CPU temperature from a raspberry pi to the Watson IoT Platform quickstart service.I am doing this by using an exec node in node red with the command vcgencmd measure_temp. I want to send this temperature value as a number to the Wat...

I am using node-red, the function node to generate some random matrix. However, every time when I deploy the node, the error "TypeError: Cannot read property 'push' of undefined" will appear, can someone help me to take a look at the...

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...

I'm sending a water depth in mm to my NodeRed server where I'm currently attempting to reconstruct a 16-bit Int that has been split into 8 high bits and 8 low bits.  I've tried just storing the high bits in a var and shifting them left 8...