# Latest

**URL:** https://discourse.nodered.org/latest.md?page=530

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

**Page:** 531

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## [Raspberry Pi 4 on RaspbianOS 64bit (Bullseye), error on system date/time and cpu temp in NodeRed](https://discourse.nodered.org/t/raspberry-pi-4-on-raspbianos-64bit-bullseye-error-on-system-date-time-and-cpu-temp-in-nodered/65430)

<div class="topic-metadata">

**Author:** [@SonoraTechnical](https://discourse.nodered.org/u/SonoraTechnical)\
**Replies:** 4\
**Last updated:** [21 July 2022 18:18 UTC](https://discourse.nodered.org/t/raspberry-pi-4-on-raspbianos-64bit-bullseye-error-on-system-date-time-and-cpu-temp-in-nodered/65430 "2022-07-21T18:18:55Z")

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I know this question is a bit specific to the RaspberryPi, so I'll save you the trouble and perform my own countdown 3-2-1-'This is not the correct forum'. Ok, we got that over with... I'm using some system level calls…

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## [240V Transmitter to node red](https://discourse.nodered.org/t/240v-transmitter-to-node-red/65432)

<div class="topic-metadata">

**Author:** [@s.w.webb1](https://discourse.nodered.org/u/s.w.webb1)\
**Replies:** 1\
**Last updated:** [21 July 2022 17:48 UTC](https://discourse.nodered.org/t/240v-transmitter-to-node-red/65432 "2022-07-21T17:48:50Z")

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I'm relatively new to node-red & have some experience with an implementation of Hue buttons. I'm after being able to add a transmitter/receiver setup so when I switch a standard Uk light switch it sends a wireless signa…

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## [Chart node's x-axis labels not showing up](https://discourse.nodered.org/t/chart-nodes-x-axis-labels-not-showing-up/65429)

<div class="topic-metadata">

**Author:** [@AshanGlenn94](https://discourse.nodered.org/u/AshanGlenn94)\
**Replies:** 0\
**Last updated:** [21 July 2022 16:05 UTC](https://discourse.nodered.org/t/chart-nodes-x-axis-labels-not-showing-up/65429 "2022-07-21T16:05:12Z")

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I have a NodeRED dashboard which is a regular line chart. Now the chart get's all the data and graph the 2 lines as I would expect but I tried to replace the x-axis(default output : time) with real time 'footage'. Not su…

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## [How to select specific item from data](https://discourse.nodered.org/t/how-to-select-specific-item-from-data/65408)

<div class="topic-metadata">

**Author:** [@tsuratolya](https://discourse.nodered.org/u/tsuratolya)\
**Replies:** 26\
**Last updated:** [21 July 2022 15:48 UTC](https://discourse.nodered.org/t/how-to-select-specific-item-from-data/65408 "2022-07-21T15:48:03Z")

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Hello. Sorry for my English. Help with my case. I'm receiving data and I need to select exactly the one that starts with 11.. and has 8 message length. Other messages I want to filter out because I don't need them \[{"i…

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## [Access Node-RED with IPC support](https://discourse.nodered.org/t/access-node-red-with-ipc-support/64382)

<div class="topic-metadata">

**Author:** [@augjoh](https://discourse.nodered.org/u/augjoh)\
**Replies:** 1\
**Last updated:** [21 July 2022 14:26 UTC](https://discourse.nodered.org/t/access-node-red-with-ipc-support/64382 "2022-07-21T14:26:26Z")

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Hi all, I would like to access Node-RED over a Unix Domain Socket, but the current implementation does not allow for this. Node.js' http(s) module has support for IPC (Net | Node.js v18.4.0 Documentation). I've played a…

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## [See video MP4 in Node-Red](https://discourse.nodered.org/t/see-video-mp4-in-node-red/65420)

<div class="topic-metadata">

**Author:** [@Gabriel1310](https://discourse.nodered.org/u/Gabriel1310)\
**Replies:** 1\
**Last updated:** [21 July 2022 14:07 UTC](https://discourse.nodered.org/t/see-video-mp4-in-node-red/65420 "2022-07-21T14:07:12Z")

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@BartButenaers, hello, I have a question about an old video playback thread. You ask to add "httpStatic: '/home/pi/node-red-static/', " in settings.js. Could you tell me where to add it in the document?

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## [View video file in ui](https://discourse.nodered.org/t/view-video-file-in-ui/5240)

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**Author:** [@Dave](https://discourse.nodered.org/u/Dave)\
**Replies:** 7\
**Last updated:** [2 December 2018 17:54 UTC](https://discourse.nodered.org/t/view-video-file-in-ui/5240 "2018-12-02T17:54:47Z")

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Hi I am trying to display a mp4 video from a file which is in my httpStatic folder, on the dashboard, my code is below, whilst this works I want to add some code in say a function or a template node to inject the file na…

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## [Connection refused to AWS running on localstack](https://discourse.nodered.org/t/connection-refused-to-aws-running-on-localstack/64941)

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**Author:** [@Huntonion](https://discourse.nodered.org/u/Huntonion)\
**Replies:** 2\
**Last updated:** [21 July 2022 12:40 UTC](https://discourse.nodered.org/t/connection-refused-to-aws-running-on-localstack/64941 "2022-07-21T12:40:59Z")

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Hello, i'm just trying to list my s3 buckets on node red, and I wrote a simple node js application: var AWS = global.get('aws-sdk'); var ep = new AWS.Endpoint('http://localhost:4566'); var s3 = new AWS.S3({endpoint:ep})…

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## [Video Doorbell Reolink node-red-contrib-homekit-bridged](https://discourse.nodered.org/t/video-doorbell-reolink-node-red-contrib-homekit-bridged/65416)

<div class="topic-metadata">

**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 0\
**Last updated:** [21 July 2022 12:38 UTC](https://discourse.nodered.org/t/video-doorbell-reolink-node-red-contrib-homekit-bridged/65416 "2022-07-21T12:38:51Z")

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Hi! I would like to create a video doorbell in Homekit. Do I have to install ffmpeg there or not? I hope that we can help because we do it best. Thanks in advance

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## [Help needed with importing modules. How to specify that an exported function is a function?](https://discourse.nodered.org/t/help-needed-with-importing-modules-how-to-specify-that-an-exported-function-is-a-function/65413)

<div class="topic-metadata">

**Author:** [@bwims](https://discourse.nodered.org/u/bwims)\
**Replies:** 4\
**Last updated:** [21 July 2022 11:31 UTC](https://discourse.nodered.org/t/help-needed-with-importing-modules-how-to-specify-that-an-exported-function-is-a-function/65413 "2022-07-21T11:31:02Z")

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Hello, I am migrating a module which I used to use with node-red-contrib-function-npm to the new(-ish) method of specifying the modules in the "Setup" tab of the function node. If I import the example of node-copy-past…

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## [Cronplus insert special dates](https://discourse.nodered.org/t/cronplus-insert-special-dates/64919)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 19\
**Last updated:** [21 July 2022 11:13 UTC](https://discourse.nodered.org/t/cronplus-insert-special-dates/64919 "2022-07-21T11:13:30Z")

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So I am now using the cronplus and it works very well. I have one value inserted at day, one value at evenings, one at night and a fourth value weekends. This is in four different cronplus nodes. However at some specific…

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## [Now what do i dol ive created a working project?](https://discourse.nodered.org/t/now-what-do-i-dol-ive-created-a-working-project/65378)

<div class="topic-metadata">

**Author:** [@pete1966](https://discourse.nodered.org/u/pete1966)\
**Replies:** 6\
**Last updated:** [21 July 2022 09:21 UTC](https://discourse.nodered.org/t/now-what-do-i-dol-ive-created-a-working-project/65378 "2022-07-21T09:21:13Z")

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node red 3.0 on raspberry pi 3b+ ive created a simple project to switch things on and off using a small touch screen in my overlander land rover .... im using a HID relay board and all works fine .. my question is now i…

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## [MQTT traccar Server](https://discourse.nodered.org/t/mqtt-traccar-server/65328)

<div class="topic-metadata">

**Author:** [@duffy6](https://discourse.nodered.org/u/duffy6)\
**Replies:** 10\
**Last updated:** [21 July 2022 08:13 UTC](https://discourse.nodered.org/t/mqtt-traccar-server/65328 "2022-07-21T08:13:54Z")

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Hi, I have two mqtt-in nodes pulling data from thethingsnetwork: These two nodes pulling from the same server (but two different applications). One of these nodes always gives me a ECONNRESET error. Can you give me …

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## [How to detect a mounted share folder is still connected](https://discourse.nodered.org/t/how-to-detect-a-mounted-share-folder-is-still-connected/65400)

<div class="topic-metadata">

**Author:** [@dinesh](https://discourse.nodered.org/u/dinesh)\
**Replies:** 1\
**Last updated:** [21 July 2022 07:34 UTC](https://discourse.nodered.org/t/how-to-detect-a-mounted-share-folder-is-still-connected/65400 "2022-07-21T07:34:55Z")

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Hi Is there a way for node red to detect if the mounted share folder is disconnected. The folder is mounted to a linux based device CIFS-Install which has node red installed in it When I use the read file node,it do…

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## [How do I dynamically enable or disable config nodes?](https://discourse.nodered.org/t/how-do-i-dynamically-enable-or-disable-config-nodes/63648)

<div class="topic-metadata">

**Author:** [@SP-Mushrooms](https://discourse.nodered.org/u/SP-Mushrooms)\
**Replies:** 12\
**Last updated:** [21 July 2022 07:21 UTC](https://discourse.nodered.org/t/how-do-i-dynamically-enable-or-disable-config-nodes/63648 "2022-07-21T07:21:54Z")

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I have edited this message. So this is my flow \[{"id":"ce085873429da727","type":"serial out","z":"5166dd2a7e38940b","name":"","serial":"bbc414bb7e1feaec","x":430,"y":340,"wires":\[\]},{"id":"ee4d246d01114515","type":"inj…

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## [Bug in CSV node](https://discourse.nodered.org/t/bug-in-csv-node/65364)

<div class="topic-metadata">

**Author:** [@nke9](https://discourse.nodered.org/u/nke9)\
**Replies:** 6\
**Last updated:** [21 July 2022 06:40 UTC](https://discourse.nodered.org/t/bug-in-csv-node/65364 "2022-07-21T06:40:46Z")

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Hello I don't understand somtehing on the csv node. Here is my payload and the output of my csv node : And I want to change the columns folowing the different data of payload I receive But with the columns I confi…

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## [Multiple property in Switch Node](https://discourse.nodered.org/t/multiple-property-in-switch-node/65353)

<div class="topic-metadata">

**Author:** [@nke9](https://discourse.nodered.org/u/nke9)\
**Replies:** 6\
**Last updated:** [21 July 2022 06:34 UTC](https://discourse.nodered.org/t/multiple-property-in-switch-node/65353 "2022-07-21T06:34:11Z")

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Hello I would like to have only one switch for the mulptiple payload I want to test. But in a Switch Node we can put only one property I would like to put pultiple property because I need to add a new switch node for ea…

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## [How to retry a node when there is an exception?](https://discourse.nodered.org/t/how-to-retry-a-node-when-there-is-an-exception/63145)

<div class="topic-metadata">

**Author:** [@Josh](https://discourse.nodered.org/u/Josh)\
**Replies:** 4\
**Last updated:** [21 July 2022 05:32 UTC](https://discourse.nodered.org/t/how-to-retry-a-node-when-there-is-an-exception/63145 "2022-07-21T05:32:16Z")

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I am trying to create a generic flow to retry a node when there is an exception thrown. Can someone try to help me?

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## [Dynamic websocket URL?](https://discourse.nodered.org/t/dynamic-websocket-url/65395)

<div class="topic-metadata">

**Author:** [@JetForMe](https://discourse.nodered.org/u/JetForMe)\
**Replies:** 0\
**Last updated:** [21 July 2022 00:29 UTC](https://discourse.nodered.org/t/dynamic-websocket-url/65395 "2022-07-21T00:29:17Z")

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I'm trying to set up a websocket connection to the Sense energy monitor API. The URL takes the form wss://clientrt.sense.com/monitors/%s/realtimefeed?access\_token=%s, and thus is somewhat dynamic. I have a login flow tha…

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## [Deep copy from flow (array of objects) variable to payload oddness?](https://discourse.nodered.org/t/deep-copy-from-flow-array-of-objects-variable-to-payload-oddness/65394)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 0\
**Last updated:** [20 July 2022 22:58 UTC](https://discourse.nodered.org/t/deep-copy-from-flow-array-of-objects-variable-to-payload-oddness/65394 "2022-07-20T22:58:27Z")

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Read the description of deep copy on a change node, makes sense, but I think I am seeing odd behavior? If I inject a change node, that copies a flow (array of objects) variable into payload then sends same to say a UI t…

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## [Märklin model trains, traffic automation and control](https://discourse.nodered.org/t/marklin-model-trains-traffic-automation-and-control/65211)

<div class="topic-metadata">

**Author:** [@Mrb32](https://discourse.nodered.org/u/Mrb32)\
**Replies:** 15\
**Last updated:** [20 July 2022 21:26 UTC](https://discourse.nodered.org/t/marklin-model-trains-traffic-automation-and-control/65211 "2022-07-20T21:26:01Z")

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Hi all, I have recently completed another model train control project. This time, it has to do with traffic automation. The vintage Märklin H0 track system I use provides a series of special track sections (contact or …

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## [Flow shows error with app.min.js](https://discourse.nodered.org/t/flow-shows-error-with-app-min-js/65195)

<div class="topic-metadata">

**Author:** [@mynodered](https://discourse.nodered.org/u/mynodered)\
**Replies:** 7\
**Last updated:** [20 July 2022 21:14 UTC](https://discourse.nodered.org/t/flow-shows-error-with-app-min-js/65195 "2022-07-20T21:14:21Z")

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I am trying the code posted in Real-Time Data Chart with ChartJs Streaming - #2 by Mathieu. But I get following error coming from app.min.js: and the flow is shown below, How could I solve these errors?

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## [How to detect when a Modbus value becomes stale?](https://discourse.nodered.org/t/how-to-detect-when-a-modbus-value-becomes-stale/65375)

<div class="topic-metadata">

**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 10\
**Last updated:** [20 July 2022 20:56 UTC](https://discourse.nodered.org/t/how-to-detect-when-a-modbus-value-becomes-stale/65375 "2022-07-20T20:56:55Z")

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I have a simple flow (pasted below, screenshot as well) that grabs Modbus data for a variable frequency drive (VFD) every 30 seconds via Modbus-TCP. Works great, however... Yesterday we saw this in Influx: We have …

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## [Save dashboard ui\_Form to a file and read it to same ui\_Form](https://discourse.nodered.org/t/save-dashboard-ui-form-to-a-file-and-read-it-to-same-ui-form/65387)

<div class="topic-metadata">

**Author:** [@AirsoftSystem90](https://discourse.nodered.org/u/AirsoftSystem90)\
**Replies:** 1\
**Last updated:** [20 July 2022 20:04 UTC](https://discourse.nodered.org/t/save-dashboard-ui-form-to-a-file-and-read-it-to-same-ui-form/65387 "2022-07-20T20:04:41Z")

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Hi, I have been testing a bit to save my form data into a text file and it works. I can read the txt data but it wont populate my form. I think i have to save the from data in some diffrent format or something? Any hin…

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## [Node-red-node-email (get) not dedected by Complete node](https://discourse.nodered.org/t/node-red-node-email-get-not-dedected-by-complete-node/20129)

<div class="topic-metadata">

**Author:** [@DamianosS](https://discourse.nodered.org/u/DamianosS)\
**Replies:** 16\
**Last updated:** [20 July 2022 20:01 UTC](https://discourse.nodered.org/t/node-red-node-email-get-not-dedected-by-complete-node/20129 "2022-07-20T20:01:20Z")

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Node Red v1.0.2 running on Homematic (https://github.com/rdmtc/RedMatic) I have discovered that the node-red-node-email (get) does not provide complete status according to https://nodered.org/blog/2019/09/20/node-done. …

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## [Where can I find up to date info about RED.events?](https://discourse.nodered.org/t/where-can-i-find-up-to-date-info-about-red-events/16614)

<div class="topic-metadata">

**Author:** [@edorgeville](https://discourse.nodered.org/u/edorgeville)\
**Replies:** 8\
**Last updated:** [20 July 2022 19:48 UTC](https://discourse.nodered.org/t/where-can-i-find-up-to-date-info-about-red-events/16614 "2022-07-20T19:48:29Z")

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This page starts with a big deprecation warning : https://github.com/node-red/node-red/wiki/API-Reference#server-library-register The API docs aren't really helpful in my case: https://nodered.org/docs/api/modules/v/0.2…

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## [NR Projects - GIT intergration - username on commit](https://discourse.nodered.org/t/nr-projects-git-intergration-username-on-commit/65223)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 3\
**Last updated:** [20 July 2022 18:25 UTC](https://discourse.nodered.org/t/nr-projects-git-intergration-username-on-commit/65223 "2022-07-20T18:25:53Z")

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Hi , I plan to have below set up . Local GIT Node Red with projects integrated to it. Multiple users created on Node Red. I was doing some tests with my local installation. I created 2 users under adminAuth - admin1 …

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## [Error in 3.0 upgrade notes. BIG problem with latest Node.JS (v16.6)](https://discourse.nodered.org/t/error-in-3-0-upgrade-notes-big-problem-with-latest-node-js-v16-6/65313)

<div class="topic-metadata">

**Author:** [@bwims](https://discourse.nodered.org/u/bwims)\
**Replies:** 24\
**Last updated:** [20 July 2022 16:20 UTC](https://discourse.nodered.org/t/error-in-3-0-upgrade-notes-big-problem-with-latest-node-js-v16-6/65313 "2022-07-20T16:20:55Z")

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In the upgrade notes for v3.0 it says: " Node.js 14.x or later required" ; foolishly assuming that meant that the latest version of Node.js had been tested, I blithely installed the latest version, 16.16.0 LTS (Recommen…

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## [Node Red 3, Crashing After Reboot? Seems like npm (db repo) is getting corrupted?](https://discourse.nodered.org/t/node-red-3-crashing-after-reboot-seems-like-npm-db-repo-is-getting-corrupted/65342)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 12\
**Last updated:** [20 July 2022 15:53 UTC](https://discourse.nodered.org/t/node-red-3-crashing-after-reboot-seems-like-npm-db-repo-is-getting-corrupted/65342 "2022-07-20T15:53:19Z")

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(error resulting) Starting as a systemd service. nodered.service: Main process exited, code=killed, status=4/ILL nodered.service: Failed with result 'signal'. Steps to recreate issue... install Pi OS 11 apt update a…

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## [Failing in creating a JSON when the example I'm following is working](https://discourse.nodered.org/t/failing-in-creating-a-json-when-the-example-im-following-is-working/65374)

<div class="topic-metadata">

**Author:** [@vongomben](https://discourse.nodered.org/u/vongomben)\
**Replies:** 2\
**Last updated:** [20 July 2022 15:49 UTC](https://discourse.nodered.org/t/failing-in-creating-a-json-when-the-example-im-following-is-working/65374 "2022-07-20T15:49:44Z")

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Hi! I'm following this tutorial on creating a JSON to be later embedded in a mirror. Here is the code with english translated comments. it works super fine. When I'm trying to embed a string coming from a telegram bot…

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