# Latest

**URL:** https://discourse.nodered.org/latest.md?page=314

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 315

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## [Collecting Node-RED Success Stories](https://discourse.nodered.org/t/collecting-node-red-success-stories/80446)

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**Author:** [@iskerrett](https://discourse.nodered.org/u/iskerrett)\
**Replies:** 0\
**Last updated:** [9 August 2023 19:44 UTC](https://discourse.nodered.org/t/collecting-node-red-success-stories/80446 "2023-08-09T19:44:10Z")

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Lots of companies are building amazing applications with Node-RED. FlowForge would like to help tell their stories so other companies can learn about their success. This will help make Node-RED more acceptable for corpor…

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## [First september give-away (let's create one gauge)](https://discourse.nodered.org/t/first-september-give-away-lets-create-one-gauge/50507)

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**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 142\
**Last updated:** [9 August 2023 14:38 UTC](https://discourse.nodered.org/t/first-september-give-away-lets-create-one-gauge/50507 "2023-08-09T14:38:03Z")

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Did a bit prototyping to see if it will work for dashboard or not. For me the answer is - barely, but as work is already done, Ill just give it away who ever may like it. It's a gauge - zero libraries, pure HTML and CSS…

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## [Is there a way to synchronize so that the tooltip can be displayed on multiple charts?](https://discourse.nodered.org/t/is-there-a-way-to-synchronize-so-that-the-tooltip-can-be-displayed-on-multiple-charts/80419)

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**Author:** [@JosuatOM](https://discourse.nodered.org/u/JosuatOM)\
**Replies:** 1\
**Last updated:** [9 August 2023 14:31 UTC](https://discourse.nodered.org/t/is-there-a-way-to-synchronize-so-that-the-tooltip-can-be-displayed-on-multiple-charts/80419 "2023-08-09T14:31:16Z")

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Greetings everyone, I am trying to do this with multiple graphs, in which it allows me to see the information at a point with the mouse cursor in a synchronous way, I don't know if it is possible to do this in Node-RED. …

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## [Can't update or add nodes](https://discourse.nodered.org/t/cant-update-or-add-nodes/80416)

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**Author:** [@montyfert](https://discourse.nodered.org/u/montyfert)\
**Replies:** 9\
**Last updated:** [9 August 2023 13:10 UTC](https://discourse.nodered.org/t/cant-update-or-add-nodes/80416 "2023-08-09T13:10:03Z")

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hi for some reason i cant update or add new nodes i just get the message 2023-08-08T18:56:16.282Z npm install --no-audit --no-update-notifier --no-fund --save --save-prefix=~ --production --engine-strict @korve/node-red…

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## [Node Red Projects managing with GitLab / SSL Error](https://discourse.nodered.org/t/node-red-projects-managing-with-gitlab-ssl-error/80438)

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**Author:** [@B.yalcinkaya2000](https://discourse.nodered.org/u/B.yalcinkaya2000)\
**Replies:** 0\
**Last updated:** [9 August 2023 12:34 UTC](https://discourse.nodered.org/t/node-red-projects-managing-with-gitlab-ssl-error/80438 "2023-08-09T12:34:38Z")

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Hello all, I am currently trying to manage my Node Red projects via GitLab. For this I have set up a local GitLab server which works as expected. Then I set up the project management in Node-Red as described in the of…

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## [Mitsubishi Ethernet module connection](https://discourse.nodered.org/t/mitsubishi-ethernet-module-connection/80138)

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**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 12\
**Last updated:** [9 August 2023 12:10 UTC](https://discourse.nodered.org/t/mitsubishi-ethernet-module-connection/80138 "2023-08-09T12:10:41Z")

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The vendor for some of our machines added Ethernet modules to their PLCs. Supposedly, that should have allowed us to extract data from the PLC. After we checked on the machines, we found out the PLCs have only a local I…

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## [Gpsd node not updating if the gpsd instance is offline when NR starts](https://discourse.nodered.org/t/gpsd-node-not-updating-if-the-gpsd-instance-is-offline-when-nr-starts/80427)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 6\
**Last updated:** [9 August 2023 12:10 UTC](https://discourse.nodered.org/t/gpsd-node-not-updating-if-the-gpsd-instance-is-offline-when-nr-starts/80427 "2023-08-09T12:10:13Z")

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I had to put my GPS on a secondary Pi in the boat because the one running Node-RED had too many serial and USB stuff connected to it, and that confused GPSd. But now, if I reboot the Pi with GPSd, the node won't work unt…

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## [Debugging a frozen "http in" node that doesnt output anything](https://discourse.nodered.org/t/debugging-a-frozen-http-in-node-that-doesnt-output-anything/80284)

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**Author:** [@Morten](https://discourse.nodered.org/u/Morten)\
**Replies:** 11\
**Last updated:** [9 August 2023 10:33 UTC](https://discourse.nodered.org/t/debugging-a-frozen-http-in-node-that-doesnt-output-anything/80284 "2023-08-09T10:33:55Z")

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I have two http in nodes, both connected to a debug. The node that works gives an msg object with all the info one should think should come in. The other node that is frozen gives nothing, not even an empty object. Is…

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## [Webhook api request error](https://discourse.nodered.org/t/webhook-api-request-error/80434)

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**Author:** [@andhikasaja](https://discourse.nodered.org/u/andhikasaja)\
**Replies:** 0\
**Last updated:** [9 August 2023 10:09 UTC](https://discourse.nodered.org/t/webhook-api-request-error/80434 "2023-08-09T10:09:49Z")

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hi guys, wanna send a array data to this API using webhook. JSON Webhook Sent JSON data to webhook endpoint. ▪ HTTP method: POST ▪ Using sha1=(sha1 hashed JSON payload, using webhook secret as key) ▪ Headers - key: "X-…

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## [Context variables - how to see them](https://discourse.nodered.org/t/context-variables-how-to-see-them/80179)

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**Author:** [@hughsheehy](https://discourse.nodered.org/u/hughsheehy)\
**Replies:** 11\
**Last updated:** [9 August 2023 09:26 UTC](https://discourse.nodered.org/t/context-variables-how-to-see-them/80179 "2023-08-09T09:26:58Z")

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In all my flows I have one node with a context variable. Everything else is msg, with very few global variables. From the documentation and fro previous forum posts, I understand that I should be able to see the conten…

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## [NodeRed - Home-Assistant - Pollstate node frantic interval](https://discourse.nodered.org/t/nodered-home-assistant-pollstate-node-frantic-interval/80052)

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**Author:** [@nodkan](https://discourse.nodered.org/u/nodkan)\
**Replies:** 4\
**Last updated:** [9 August 2023 08:55 UTC](https://discourse.nodered.org/t/nodered-home-assistant-pollstate-node-frantic-interval/80052 "2023-08-09T08:55:00Z")

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Hi there, I have a problem with pollstate node in node red homeassistant .. it stopped respecting the time interval and it just fires whenever it feels like it .. any advice? (P.S. I tried changing it from minutes to ho…

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## [Sending mqtt once character at a time](https://discourse.nodered.org/t/sending-mqtt-once-character-at-a-time/80389)

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**Author:** [@nelgin](https://discourse.nodered.org/u/nelgin)\
**Replies:** 9\
**Last updated:** [9 August 2023 06:31 UTC](https://discourse.nodered.org/t/sending-mqtt-once-character-at-a-time/80389 "2023-08-09T06:31:20Z")

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Hi all, I need to send text one character at a time, as typed, to an mqtt topic, including enter and control codes. It seems it requires all sorts of workarounds by using input buttons and a send button. It seems usin…

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## [Update radio button with variable](https://discourse.nodered.org/t/update-radio-button-with-variable/80415)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 2\
**Last updated:** [8 August 2023 22:29 UTC](https://discourse.nodered.org/t/update-radio-button-with-variable/80415 "2023-08-08T22:29:35Z")

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I have been trying to get a simple form with a radio button to update with a variable that I set when the choice is made. When I refresh the web page the radio button defaults back to no selection. I am sure that I a…

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## [RS485/ Modbus 16Bit Buffer conversion to different Datatypes from Finder-Meter 7M38](https://discourse.nodered.org/t/rs485-modbus-16bit-buffer-conversion-to-different-datatypes-from-finder-meter-7m38/80400)

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**Author:** [@chris123](https://discourse.nodered.org/u/chris123)\
**Replies:** 2\
**Last updated:** [8 August 2023 20:22 UTC](https://discourse.nodered.org/t/rs485-modbus-16bit-buffer-conversion-to-different-datatypes-from-finder-meter-7m38/80400 "2023-08-08T20:22:42Z")

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Hi all, I'm new to node red. I want to automate my pv charging system with node red. I'm still at the very beginning but able to read out the registers from the Finder 7M38. But I'm in trouble now by converting the rece…

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## [New Node-Red Install - "Dashboard Undefined"](https://discourse.nodered.org/t/new-node-red-install-dashboard-undefined/80408)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 7\
**Last updated:** [8 August 2023 17:57 UTC](https://discourse.nodered.org/t/new-node-red-install-dashboard-undefined/80408 "2023-08-08T17:57:44Z")

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Hey All, I'm migrating my setup from From: Raspberry Pi 4, 4G running on an SD card To: Raspberry Pi 4, 8G running on a flash drive I've got everything set up except when I try to look at the dashboard which is j…

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## [Routes and custom components](https://discourse.nodered.org/t/routes-and-custom-components/80401)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 1\
**Last updated:** [8 August 2023 17:24 UTC](https://discourse.nodered.org/t/routes-and-custom-components/80401 "2023-08-08T17:24:17Z")

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A couple of the main reasons I'm using vue3 in my uilbuilder dashboard is the router mechanism (I'm assigning a route page for every menu entry) and the capability to create custom components. How would you handle this …

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## [How to stream my camera to Google Max Hub with node-red-contib-cast node](https://discourse.nodered.org/t/how-to-stream-my-camera-to-google-max-hub-with-node-red-contib-cast-node/80411)

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**Author:** [@GIGS1975](https://discourse.nodered.org/u/GIGS1975)\
**Replies:** 1\
**Last updated:** [8 August 2023 16:43 UTC](https://discourse.nodered.org/t/how-to-stream-my-camera-to-google-max-hub-with-node-red-contib-cast-node/80411 "2023-08-08T16:43:02Z")

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Hello there My camera is streaming in mjpeg format. I want to cast it to my Google Max hub, However, it doestn work. The url is 100 percent sure, and working (check out with other nodes), and the media type is set to v…

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## [Insert a mqtt tree ( directories? )](https://discourse.nodered.org/t/insert-a-mqtt-tree-directories/80385)

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**Author:** [@plekke](https://discourse.nodered.org/u/plekke)\
**Replies:** 8\
**Last updated:** [8 August 2023 15:34 UTC](https://discourse.nodered.org/t/insert-a-mqtt-tree-directories/80385 "2023-08-08T15:34:02Z")

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hello , i'm learning nodered and mqtt. i use also homeassistant , and when i create an esp32node with mqtt enabled , then i got a very nice tree-structure in mqtt-explorer now i want to create some data to send to …

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## [Pi install script fail](https://discourse.nodered.org/t/pi-install-script-fail/80362)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 34\
**Last updated:** [8 August 2023 14:43 UTC](https://discourse.nodered.org/t/pi-install-script-fail/80362 "2023-08-08T14:43:12Z")

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Tried ti to use the install script on a pi 4 on it gives me /dev/fd/63 no such file or directory Something is amiss, perhaps with all the dev work something got moved?

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## [How to access data read from google sheets](https://discourse.nodered.org/t/how-to-access-data-read-from-google-sheets/80390)

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**Author:** [@Stumbleinn](https://discourse.nodered.org/u/Stumbleinn)\
**Replies:** 2\
**Last updated:** [8 August 2023 12:53 UTC](https://discourse.nodered.org/t/how-to-access-data-read-from-google-sheets/80390 "2023-08-08T12:53:02Z")

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Hi, I am sure this is simple but as a newbie I am struggling. I have a node that reads 3 cells from a Google sheet. That all works great. Now what I'd like to do is parse out the values in the array to individual glo…

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## [Homekit reset acessory](https://discourse.nodered.org/t/homekit-reset-acessory/80406)

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**Author:** [@crsfba84](https://discourse.nodered.org/u/crsfba84)\
**Replies:** 0\
**Last updated:** [8 August 2023 09:22 UTC](https://discourse.nodered.org/t/homekit-reset-acessory/80406 "2023-08-08T09:22:01Z")

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Hi everyone, using node-red-contrib-homekit-bridged I created a system with different accessories and everything works fine. I did: I configured a minipc in the office with nodered Installed node-red-contrib-home…

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## [TypeError: Cannot read properties of undefined (reading 'address')"](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-reading-address/80366)

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**Author:** [@Johnn](https://discourse.nodered.org/u/Johnn)\
**Replies:** 14\
**Last updated:** [8 August 2023 08:29 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-reading-address/80366 "2023-08-08T08:29:44Z")

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Hello friends, I am receiving modbus responses from a flex node and to distinguish responses, I filter the memory address with a simple instruction. Why am I getting typeError? Could you help me? Thank you s…

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## [MODBUS read and write](https://discourse.nodered.org/t/modbus-read-and-write/80402)

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**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 0\
**Last updated:** [8 August 2023 08:08 UTC](https://discourse.nodered.org/t/modbus-read-and-write/80402 "2023-08-08T08:08:15Z")

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Hello, i am still learning about MODBUS and created my own littile project. I read data from my pool-dosing pump and also conrtolling it via a node-red dashbaord on a VM. Its more a fun project for learning purpose. Ev…

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## [Reading the GPIOs of the BeagleBone Black in Node RED](https://discourse.nodered.org/t/reading-the-gpios-of-the-beaglebone-black-in-node-red/80395)

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**Author:** [@Pitufo](https://discourse.nodered.org/u/Pitufo)\
**Replies:** 0\
**Last updated:** [8 August 2023 02:20 UTC](https://discourse.nodered.org/t/reading-the-gpios-of-the-beaglebone-black-in-node-red/80395 "2023-08-08T02:20:04Z")

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I am a beginner in Node-RED I have installed Node-RED and the Jhonny -five library on my beaglebone black to read or write its GPIOs. I have made a simple flow to turn on the user led USR3 using a Jhonny -five node. A…

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## [How to ensure flow is created by insider](https://discourse.nodered.org/t/how-to-ensure-flow-is-created-by-insider/80360)

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**Author:** [@HenryTrang](https://discourse.nodered.org/u/HenryTrang)\
**Replies:** 3\
**Last updated:** [8 August 2023 01:40 UTC](https://discourse.nodered.org/t/how-to-ensure-flow-is-created-by-insider/80360 "2023-08-08T01:40:57Z")

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Dear Sir May i ask how to listen deploy button. how to hold on and move on deploy the flow. as before deploy i need to verify if this flow is created or edited by insider. Best regard! Henry

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## [External API Error Invalid Type: Object (Expected Array)](https://discourse.nodered.org/t/external-api-error-invalid-type-object-expected-array/80393)

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**Author:** [@WillShiell](https://discourse.nodered.org/u/WillShiell)\
**Replies:** 0\
**Last updated:** [8 August 2023 01:39 UTC](https://discourse.nodered.org/t/external-api-error-invalid-type-object-expected-array/80393 "2023-08-08T01:39:47Z")

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Hello, I am seeing an error with a PATCH call I am making and receiving the following error message: {"message":"validation failure","errors":\[{"dataPath":"","message":"Invalid type: object (expected array)"}\]} Howeve…

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## [Updating flow.json while while Node-RED is running (as a service): recommended?](https://discourse.nodered.org/t/updating-flow-json-while-while-node-red-is-running-as-a-service-recommended/80387)

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**Author:** [@raspberry](https://discourse.nodered.org/u/raspberry)\
**Replies:** 1\
**Last updated:** [7 August 2023 20:37 UTC](https://discourse.nodered.org/t/updating-flow-json-while-while-node-red-is-running-as-a-service-recommended/80387 "2023-08-07T20:37:36Z")

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Hey all, I have my Node-RED project tracking a remote repository on GitHub. The usual flow files are hosted (flow.json, package.json, credentials) Occasionally I will "git fetch, git pull" while Node-RED is running, ove…

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## [Flow arbeitet nicht richtig](https://discourse.nodered.org/t/flow-arbeitet-nicht-richtig/80388)

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**Author:** [@WaRo52](https://discourse.nodered.org/u/WaRo52)\
**Replies:** 2\
**Last updated:** [7 August 2023 20:06 UTC](https://discourse.nodered.org/t/flow-arbeitet-nicht-richtig/80388 "2023-08-07T20:06:32Z")

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Hallo, ich bin Walter und rel. neu in der Erstellung von Flow. Bisher habe ich in C (Arduino) und Visual Basic for Applications programmiert. Ich habe folgendes Problem: In meinen Flow (Anhang) möchte ich Werte in ein…

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## [Using snap to update nodejs](https://discourse.nodered.org/t/using-snap-to-update-nodejs/80382)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 8\
**Last updated:** [7 August 2023 20:33 UTC](https://discourse.nodered.org/t/using-snap-to-update-nodejs/80382 "2023-08-07T20:33:44Z")

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While working on something else I tripped across something I hadn't seen before which is Snap and using it to update nodejs automatically and install the latest. On my test pi I ran all the commands and it seems to work …

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## [Crashing Every Few Minutes - How Do I Debug?](https://discourse.nodered.org/t/crashing-every-few-minutes-how-do-i-debug/80358)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 14\
**Last updated:** [7 August 2023 20:02 UTC](https://discourse.nodered.org/t/crashing-every-few-minutes-how-do-i-debug/80358 "2023-08-07T20:02:51Z")

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Hey All, My install of node red is crashing every few minutes, it doesn't go more than an hour. I'm trying to debut the problem but I can't locate the log files. I checked the settings.js file and it says logging is s…

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