Questions tagged [node-red]
Node-RED is a revolutionary tool that allows users to creatively connect hardware devices, APIs, and online services through data-flow programming, opening up endless possibilities for innovation.
I am currently developing a C++ interface code library for a device that operates using a proprietary protocol. Due to confidentiality reasons, I am unable to disclose the specifics of the protocol, however, I can share the compiled library without revea ...
Currently, I am utilizing Node-RED on Bluemix and would like to enable users to upload a document. Below is the relevant code snippet within a function/template of a flow: <form action="/upload" method="POST"> <h1>Upload PDF</h1> &l ...
Is the latest version of node-red installed on Ubuntu 20.04? I'm attempting to include the node-red-contrib-amqp plugin according to the instructions on the GitHub page. https://github.com/abreits/node-red-contrib-amqp#installation $ sudo npm install -g ...
msg.payload : Object object HAMK307: object a_temperature: 23.1 a_humidity: 46 a_brightness: 3703.05 a_lights: "on" a_presence: "empty" r_temperature: 35.59 r_humidity: 30.46 r_pressure: 994.43 a_time: object ID: "HAMK-307" m ...
Having trouble sending a file using the http-request node. Here is an image of the Node-red flow: https://i.stack.imgur.com/pD4Tb.png In the Request Body node, this code has been added: const inputFile = msg.payload; const dataJson = { 'name': 'tes ...
Here is an example of an array: { "tocontrol": [{"name": "john"},{"name": "doe"}] } The desired output should look like this: { "method": "OR", "match": [ { &quo ...
My current challenge involves installing numerous missing node-red nodes to a container. When I maintain the (named) container and execute it with docker start, everything functions smoothly. However, my goal is to store the installed nodes in a separate ...
I am creating a unique service that utilizes Node-red to send emails only when a GET request is made to 127.0.0.1:1880/hello (node-red port), and an Angular 4 web app (127.0.0.1:3000) for client access. Upon accessing the /hello page from a browser, I rec ...
I'm currently facing an issue while attempting to set up node-red-contrib-influxdb in a node-red docker container on a computer without internet access. My setup involves a Windows machine where I've installed node.js, along with the node-red-contrib-influ ...
In my Node-RED setup, I am utilizing the HTML angular code within a "template" node. Within my system, I have an object that consists of circuit boards distinguished by serial numbers. Each circuit board is equipped with two channels, each having its own ...
I'm currently facing a challenge in creating a node that can make web service calls. The tools I'm using are: Node-RED version: v0.17.5 Node.js version: v8.4.0 An exception is being thrown, and here's the error message: node-red_1 | 30 Aug 21:21: ...
Upon inspecting the files in the GitHub repository that were used to connect to the Heroku server, I replaced them with my own package.json, flow .json, and updated the repository link in app.json. However, upon deployment, when I tried opening the app, I ...
Having trouble reinstalling node-red on my iot2040. Each time I attempt, I encounter the following error message. Despite checking my proxy settings, I cannot find any issues. I am at a loss as to what steps to take next... root@iot2000:~# npm install -g - ...
My goal is to set up an HTTP GET node that collects form data and then sends an HTTP POST request to another website using a REST API. I have managed to get the HTTP call to return the correct payload, but I'm encountering an error with the HTTP respo ...
Is there a way to dynamically add custom nodes to the node-red palette without relying on the standard "npm install node service" or manual server restart? If so, what is the best approach to achieve this? ...
Greetings! I am new to the world of computers and have been enjoying the insightful Q&As on this platform. This is my debut question on StackOverFlow, so please bear with me if my technical jargon or English seems a bit off. I spent several hour ...
As a novice in both the NodeRed and NodeJs/npm realms, I am embarking on the journey of creating a custom node for the first time. Despite my efforts to follow the official documentation on Creating your first node, I seem to have hit a roadblock. Everyth ...
As a beginner in node-red, dashboard, AngularJS, and the pre-installed icons in the node-red dashboard, I humbly ask for guidance. My goal is to create custom buttons with icons using the dashboard template node. Based on the example provided in the inform ...