Questions tagged [nodered]

A browser based, node.js powered tool for integrating hardware and web services.

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Installing Node-RED Debian package - nodered:armhf : Depends: npm:armhf (>= 7) but it is not installable

I wish to install Node-RED from Raspberry Pi version of Node-Red packages. I don't wish to follow this guide Running on Raspberry Pi We provide a script to install Node.js, npm and Node-RED onto a ...
Sybil's user avatar
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Import data from sensor into node-red

I’m doing a uni assignment on Iot, and we are doing a soil moisture system with a water pump. One stipulation is that we need to use Node-Red. List of components *MCP3008 8-channel ADC Raspberry Pi 4 *...
Jack Cerne-Plaatsman's user avatar
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2 answers
633 views

Is it possible to write to file located in windows directory using Node-Red via ssh?

I log into my raspberry pi via ssh. I am trying to read and write to a file located in my C drive using Node-Red. However when I deploy the Node-red task, the file that I amend is not located in the C ...
Oscar Georgiev's user avatar
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Raspberry Pi 4 Model B Project: IoT Parking Apps with Car Plate Recognition for Smart City using Node Red

recently I found a project that involves using Raspberry Pi and Arduino Mega Board to create a Car Plate Recognition system but I am stuck with connecting the pins as I am not a professional in using ...
WJLee9559's user avatar
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Run Blynk server, Mosquitto and Node-Red on RasPi Zero?

Never used a pi before so I'm not sure how powerful they are/how much can they run at the same time. (Yes, I obviously know that it depends on what you're running). I was wondering, is there a good ...
Randomaker's user avatar
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1 answer
442 views

How to clean up gpio pins properly?

I'm a newbie with Raspberry Pi as well in python and node red. So my goal with my project is to make a DIY irrigation systemm. I have an RPi, which reads value from the soil moisture sensor and ...
shujaandi's user avatar
1 vote
1 answer
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spy urls on rpi hotspot

I have setup a rpi wifi hotspot which I can switch on and off using NodeRed. I use it to control my kids internet access time. Trouble is, I have no idea what they are looking at and they seem to be ...
Rhubarb65's user avatar
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Setting up a local node-red server on RPi

I am interested in setting up a node-red server locally on a headless RPi. I expect the raspberry to host a local wifi network with the node-red server running on a static IP. I want to then access ...
Some_Guy's user avatar
2 votes
1 answer
55 views

How can you share an individual flow in node-red?

I have a Raspberry Pi with a lot of Node-Red flows running. I would like another person (with a separate account) to be able to log in and have access to a specific flow, but I would not like them to ...
user306690's user avatar
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691 views

Installing nodejs and nodered on Windows IoT Core

I'm trying to find out if it is posible to install nodejs and nodered on Windows IoT Core running on Raspberry Pi 3 where an UWP will be also running. Thanks!
z44.nelther's user avatar
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Chromium semi freezing in a predictable way on very unclear reasons

I have a Raspberry PI 3B+/raspbian running my NodeJS (node-red) backend application. My Raspberry is hosting a frontend application (VueJS) as well. I also have a 7" display connected. The purpose ...
Hauns TM's user avatar
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Nodered Losing nodes on rpi

After installing nodes (eg npm install --unsafe-perm node-red-contrib-i2c) and restarting node-red i find them in the pallet. after reboot (nodered start on boot) i no longer find then in the pallet ...
Meerweten's user avatar
1 vote
2 answers
1k views

Is there a Node-Red node that can receive garage door open/close events?

I've been looking through the various npms that mention MyQ and HomeKit to try and find a way to trigger flows when my garage door opens or closes, but everything I've found seems to just support ...
hepcat72's user avatar
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RPI serial input from RS232 via MAX232 to Node-Red [closed]

I use Node-Red to monitor serial RS232 data from a home automation box. All works fine for a couple of weeks and then the data is no longer seen. I have to reset the RPI to recover from this. I have ...
user1943043's user avatar
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1 answer
270 views

Unable to ping all PCs inside company network

I am using RPI3 with raspbian and I have it connected to my personnal network via wifi (works fine) but I also connected it to company network with cable. Also I am new to RPi and Linux. So I have ...
Somachr's user avatar
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Node-Red does not turn off the relay

In Node-Red, whenever I put a single status type for reading the GPIO status or GPIO in/out in the flow, it turns on the relay. I cannot turn of it by injecting 0 value as string. When I delete all ...
Sercan ERHAN's user avatar
2 votes
1 answer
451 views

RP3 as Nodered+Deluge server and Nginx configuration

I'm running RP3 as Nodered and Deluge (torrent) server, by default I can access Nodered via http://host_ip:1880 and Deluge via http://host_ip:8112 but now I installed Nginx (I'm newbie with it) then ...
Bach's user avatar
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1 answer
5k views

Where are the log files?

I installed some nodes for Home Assistant through the Palette Manager, and when I try to put any of them in a flow, I get this error upon "deploy": Flows stopped due to missing node types. Check ...
user3573562's user avatar
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614 views

How to collect data from server to LibreOffice Calc

I have Mosquitto and Node-Red installed on my Pi 3. I want to be able to log the data into a spreadsheet of some sort. Is there a way to do this with Calc or a spreadsheet of some sort on the Pi? The ...
oibdrew's user avatar
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2 answers
576 views

Raspberry Pi shuts down after starting node red

I have node red installed on my Pi and I have been working with it all day, no errors whatsoever. I left it on for a couple of hours and for some reason it shut down. I didn't notice and thought ...
Tom van Nes's user avatar
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How do I install usb using npm

I'm trying to install a npm usb package on a raspberry pi. It's needed by a library (in turn used by a node for node-red) but trying to install that seperately didn't work, so I'm installing this ...
Joël Abrahams's user avatar
1 vote
1 answer
823 views

Node Red keep restarting on my raspberry pi 3

I deployed a flow to my node-red on the raspberry pi 3 and after that it keep restarting giving the following error: 22 Jun 17:26:21 - TypeError: client.subscribeToDeviceCommand is not a function at ...
aibrahim's user avatar
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4 votes
1 answer
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mosquitto running as service does not work but manually does

if I run mosquitto manually mosquitto i can connect to it and everything works perfectly but if I run mosquitto as a service sudo service mosquitto start then it doesen't respond and nothing works ...
cTurtle98's user avatar
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1 answer
872 views

Node-Red Raspi GPIO: Using only rising trigger

When using node-red with raspberry pi 3 GPIO, node-red will send a message, every time the state changes (= rising and falling trigger). Is it possible to only send messages on rising trigger? Using ...
Steffen Maier's user avatar
1 vote
1 answer
5k views

NodeRED was working, now will not start (keeps looping to try)

I have been using NodeRED on the RPi for a couple of days, but then it started saying I had "credential errors" to IBM BlueMix (which works fine), and now NodeRED won't startup on the RPi at all. ...
John's user avatar
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1 vote
1 answer
3k views

I have installed node-red on my raspberry pi but it does not start

I installed node-red but the node-red-start command does not work. I get this error: -bash: node-red-start: command not found This was an old pi that I recently upgraded from wheezy to Jessie. ...
ValerieLampkin's user avatar
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1 answer
3k views

Creating simple http request in node-red

I'm new to the Raspberry Pi. I just started using node red to create a flow but I got stuck in making a simple http request. This is the flow I created, but whenever I make a request to go to the ...
Karthick S P's user avatar
2 votes
1 answer
204 views

Installation of node-red contrib nodes

I installed node-red, and I tried installing the contrib nodes from flows.nodered. It is getting installed, but in the browser, I can't find the nodes which I have installed. I used the same procedure ...
prasanth's user avatar
2 votes
2 answers
6k views

Raspberry Pi B+ can't install node-red

I read an article on the newest MagPi about node-red and I decided to install it. I used: sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade sudo apt-get install nodered The 4th ...
Merlin04's user avatar
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