# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=459

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

**Page:** 460

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## [CSV to live/interactive line graph](https://discourse.nodered.org/t/csv-to-live-interactive-line-graph/70094)

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**Author:** [@cookin83](https://discourse.nodered.org/u/cookin83)\
**Replies:** 2\
**Last updated:** [17 November 2022 02:12 UTC](https://discourse.nodered.org/t/csv-to-live-interactive-line-graph/70094 "2022-11-17T02:12:33Z")

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I'm an absolute noob to Node Red and I'm not sure where to start with this part of my project. I have a Raspberry Pi Pico W that is sending a MQTT feed with temperature and humidity to a Raspberry Pi running Node Red. No…

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## [Calculates days between 2 dates excluding weekends and holidays](https://discourse.nodered.org/t/calculates-days-between-2-dates-excluding-weekends-and-holidays/70604)

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**Author:** [@ecombs](https://discourse.nodered.org/u/ecombs)\
**Replies:** 9\
**Last updated:** [17 November 2022 01:52 UTC](https://discourse.nodered.org/t/calculates-days-between-2-dates-excluding-weekends-and-holidays/70604 "2022-11-17T01:52:46Z")

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Hello everyone, I'm trying to calculate the number of days between two date excluding weekends and holidays. I can get the normal amount of days, however it doesn't account for weekends or holidays. I've look at just a…

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## [Count messages // do something // reset // howt to simplify flow](https://discourse.nodered.org/t/count-messages-do-something-reset-howt-to-simplify-flow/70689)

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**Author:** [@DaaD](https://discourse.nodered.org/u/DaaD)\
**Replies:** 6\
**Last updated:** [16 November 2022 23:24 UTC](https://discourse.nodered.org/t/count-messages-do-something-reset-howt-to-simplify-flow/70689 "2022-11-16T23:24:12Z")

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I have a home assistant feature that does fail sometimes at the first command, so i wanted a flow that when this happens there are 3 retries before another action takes place (msg + restart application). I've cobbled so…

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## [Serial communication change value](https://discourse.nodered.org/t/serial-communication-change-value/70552)

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**Author:** [@calida82](https://discourse.nodered.org/u/calida82)\
**Replies:** 2\
**Last updated:** [16 November 2022 23:15 UTC](https://discourse.nodered.org/t/serial-communication-change-value/70552 "2022-11-16T23:15:05Z")

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Hi, it's my first time with node-red and it's my first time here. I would like to use a stream that I downloaded from the web to be able to communicate with my pylontech battery, I know that the stream is working because…

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## [Problem with: Template (JSON) \> Exec (Python) \> Payload (Output)](https://discourse.nodered.org/t/problem-with-template-json-exec-python-payload-output/70644)

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**Author:** [@steveneyre](https://discourse.nodered.org/u/steveneyre)\
**Replies:** 5\
**Last updated:** [16 November 2022 21:49 UTC](https://discourse.nodered.org/t/problem-with-template-json-exec-python-payload-output/70644 "2022-11-16T21:49:20Z")

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I'm having some trouble injecting JSON into a Python script being executed using the Exec node. The JSON is held in a template node. I've read all the other forum posts on this and similar but I am still hitting a dead e…

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## [Detect link in nodes with a function node](https://discourse.nodered.org/t/detect-link-in-nodes-with-a-function-node/70406)

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**Author:** [@NetHans](https://discourse.nodered.org/u/NetHans)\
**Replies:** 4\
**Last updated:** [16 November 2022 20:38 UTC](https://discourse.nodered.org/t/detect-link-in-nodes-with-a-function-node/70406 "2022-11-16T20:38:12Z")

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Hello, I want to find out all "link in" nodes in a function node. Unfortunately, the function RED.nodes.filterNodes({ type: "link in" }) is not available in the function node. Is there any other way to identify the lin…

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## [Filtering an array of objects](https://discourse.nodered.org/t/filtering-an-array-of-objects/70734)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 1\
**Last updated:** [16 November 2022 19:43 UTC](https://discourse.nodered.org/t/filtering-an-array-of-objects/70734 "2022-11-16T19:43:12Z")

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From 'Storm Glass' I get weather forecast data which arrives as an array of 240 objects (hourly forecast for 10 days - 24 x 10). Each object takes the format of; { "airTemperature": { "dwd": 9.91, "noaa": 9.35…

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## [Node-red crashing with miss configured node-red-contrib-ssh-v3 node - how to delete via filesystem?](https://discourse.nodered.org/t/node-red-crashing-with-miss-configured-node-red-contrib-ssh-v3-node-how-to-delete-via-filesystem/70739)

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**Author:** [@gklank](https://discourse.nodered.org/u/gklank)\
**Replies:** 2\
**Last updated:** [16 November 2022 20:09 UTC](https://discourse.nodered.org/t/node-red-crashing-with-miss-configured-node-red-contrib-ssh-v3-node-how-to-delete-via-filesystem/70739 "2022-11-16T20:09:00Z")

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Hi, I miss configured ssh-v3 node. The result is the the docker container was crashed and I am unable to restart it again. After restarting it crashes after 5 to 10 seconds again... I mounted tht /data directory outs…

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## [Dashboard form with repeating sections or groups or tabs?](https://discourse.nodered.org/t/dashboard-form-with-repeating-sections-or-groups-or-tabs/70613)

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**Author:** [@rxunique](https://discourse.nodered.org/u/rxunique)\
**Replies:** 6\
**Last updated:** [16 November 2022 19:18 UTC](https://discourse.nodered.org/t/dashboard-form-with-repeating-sections-or-groups-or-tabs/70613 "2022-11-16T19:18:07Z")

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Hi everyone. I need to build a webform that involves duplicate/repeating sections. Per section will ask user to answer the same set of questions, but will have different answer in each section. Hopefully adding arbitrar…

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## [Subflow Instance properties Length of name field too short, not dynamic](https://discourse.nodered.org/t/subflow-instance-properties-length-of-name-field-too-short-not-dynamic/70732)

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**Author:** [@RayAtGit](https://discourse.nodered.org/u/RayAtGit)\
**Replies:** 0\
**Last updated:** [16 November 2022 19:11 UTC](https://discourse.nodered.org/t/subflow-instance-properties-length-of-name-field-too-short-not-dynamic/70732 "2022-11-16T19:11:05Z")

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The name field of the properties of a subflow has a fixed length no matter the width of the properties window is. This is annoying when having long property names. Solution: scale the name field to the property with the …

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## [A big lag in chart data visualization](https://discourse.nodered.org/t/a-big-lag-in-chart-data-visualization/70554)

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**Author:** [@masoudhyundai](https://discourse.nodered.org/u/masoudhyundai)\
**Replies:** 29\
**Last updated:** [16 November 2022 18:48 UTC](https://discourse.nodered.org/t/a-big-lag-in-chart-data-visualization/70554 "2022-11-16T18:48:09Z")

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Hello All, I would like to stream sensor data (in Real-time) on a chart in the Node-red dashboard. The rate that the data is read from the sensor is about 0.2 seconds. But I can see a lag of 1 second when seeing the dat…

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## [How to send Sysex code to an MIDI Device?](https://discourse.nodered.org/t/how-to-send-sysex-code-to-an-midi-device/70728)

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**Author:** [@marllondutra12](https://discourse.nodered.org/u/marllondutra12)\
**Replies:** 3\
**Last updated:** [16 November 2022 17:55 UTC](https://discourse.nodered.org/t/how-to-send-sysex-code-to-an-midi-device/70728 "2022-11-16T17:55:03Z")

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Hello! I have an console Yamaha QL1 and 3 sysex codes to send to it and an RTP-Midi device (Kiss-Box, UDP connected) Is there a way to send System exclusive (Sysex) code to an MIDI Device using Node-Red? Already tried…

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## [ How to trigger a flow when a row is updated in your Google Sheets spreadsheet](https://discourse.nodered.org/t/how-to-trigger-a-flow-when-a-row-is-updated-in-your-google-sheets-spreadsheet/70635)

<div class="topic-metadata">

**Author:** [@jameer.basha](https://discourse.nodered.org/u/jameer.basha)\
**Replies:** 1\
**Last updated:** [16 November 2022 14:51 UTC](https://discourse.nodered.org/t/how-to-trigger-a-flow-when-a-row-is-updated-in-your-google-sheets-spreadsheet/70635 "2022-11-16T14:51:27Z")

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How to trigger a flow when a row is updated in your Google Sheets spreadsheet

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## [Dashboard and Admin Panel Secur problem](https://discourse.nodered.org/t/dashboard-and-admin-panel-secur-problem/70393)

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**Author:** [@dereine](https://discourse.nodered.org/u/dereine)\
**Replies:** 9\
**Last updated:** [16 November 2022 17:26 UTC](https://discourse.nodered.org/t/dashboard-and-admin-panel-secur-problem/70393 "2022-11-16T17:26:38Z")

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I have the problem that I can not protect the admin panel and the UI url. In settings.js I have unblocked the part which is commented out, but after restarting the server nothing happens.

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## [OPC DA in Siemens OPC](https://discourse.nodered.org/t/opc-da-in-siemens-opc/70724)

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**Author:** [@samal1988](https://discourse.nodered.org/u/samal1988)\
**Replies:** 0\
**Last updated:** [16 November 2022 16:12 UTC](https://discourse.nodered.org/t/opc-da-in-siemens-opc/70724 "2022-11-16T16:12:03Z")

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How to change Progid in the OPC-DA server node. I need to change to OPCServer.WinCC.1. I am trying to change in the custom field but it is not changed

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## [How to set global variable parameters?](https://discourse.nodered.org/t/how-to-set-global-variable-parameters/19470)

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**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 17\
**Last updated:** [16 November 2022 17:20 UTC](https://discourse.nodered.org/t/how-to-set-global-variable-parameters/19470 "2022-11-16T17:20:54Z")

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Hi, I would like to store 5 temperature values in one global object. I have created the global object with several temp values: var GlobalTemp = {}; GlobalTemp.a = 10; GlobalTemp.b = 15; GlobalTemp.c = 22; global.set(…

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## [How to retry a single message for x times should it encounter an error?](https://discourse.nodered.org/t/how-to-retry-a-single-message-for-x-times-should-it-encounter-an-error/70652)

<div class="topic-metadata">

**Author:** [@Josh](https://discourse.nodered.org/u/Josh)\
**Replies:** 8\
**Last updated:** [16 November 2022 16:32 UTC](https://discourse.nodered.org/t/how-to-retry-a-single-message-for-x-times-should-it-encounter-an-error/70652 "2022-11-16T16:32:15Z")

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Hi Forum, I am working on a small project where I have to retry each message coming from an mqtt-in node for three times should the message encounter an error. I tried using catch node to catch the error but couldn't re…

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## [Passing parameter from node-red to python](https://discourse.nodered.org/t/passing-parameter-from-node-red-to-python/10340)

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**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 11\
**Last updated:** [16 November 2022 15:49 UTC](https://discourse.nodered.org/t/passing-parameter-from-node-red-to-python/10340 "2022-11-16T15:49:51Z")

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Hello, I would like to pass parameter from Node-red to python script. 1.Is it possible to do that using: https://flows.nodered.org/node/node-red-contrib-pythonshell Python script would be: a={Passed parameter} b=2 p…

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## [Disable/enable several nodes at same time](https://discourse.nodered.org/t/disable-enable-several-nodes-at-same-time/70721)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 1\
**Last updated:** [16 November 2022 15:11 UTC](https://discourse.nodered.org/t/disable-enable-several-nodes-at-same-time/70721 "2022-11-16T15:11:40Z")

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Is there a quick way of enabling/disabling several nodes without having to do each individually?

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## [Import flow via npm](https://discourse.nodered.org/t/import-flow-via-npm/70718)

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**Author:** [@j0nnybrav0](https://discourse.nodered.org/u/j0nnybrav0)\
**Replies:** 2\
**Last updated:** [16 November 2022 14:59 UTC](https://discourse.nodered.org/t/import-flow-via-npm/70718 "2022-11-16T14:59:10Z")

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Hello! I am quite new to Node-RED and have a question regarding the whole architecture of my project: Since our flows are quite complex, we want to create them and make them importable via npm-install. This means: Aft…

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## [Change timezone from UTC to UTC 01:00](https://discourse.nodered.org/t/change-timezone-from-utc-to-utc-01-00/70709)

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**Author:** [@orrinen](https://discourse.nodered.org/u/orrinen)\
**Replies:** 12\
**Last updated:** [16 November 2022 14:56 UTC](https://discourse.nodered.org/t/change-timezone-from-utc-to-utc-01-00/70709 "2022-11-16T14:56:15Z")

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Hello. I have a small timezone problem. I would be very thankful if someone could help me. I have tried various time nodes to no avail. I cant get Luxon or moment.js to work in function node either. Heres the problem: …

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## [Problems with node-red-contrib-music due to changes in node-red-contrib-osc (I think)](https://discourse.nodered.org/t/problems-with-node-red-contrib-music-due-to-changes-in-node-red-contrib-osc-i-think/70524)

<div class="topic-metadata">

**Author:** [@johncohn](https://discourse.nodered.org/u/johncohn)\
**Replies:** 13\
**Last updated:** [16 November 2022 14:39 UTC](https://discourse.nodered.org/t/problems-with-node-red-contrib-music-due-to-changes-in-node-red-contrib-osc-i-think/70524 "2022-11-16T14:39:11Z")

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Hi old friends. Hope you are well. I could use soem help. I reached out to Steve Bradley on this.. but in the event I dont hear from him.. i'm posting here :slight\_smile: in 2020 i creates a 10 m long keyboard for the …

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## [Extracting value from HTML \\ Javascript](https://discourse.nodered.org/t/extracting-value-from-html-javascript/70699)

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**Author:** [@ravnos](https://discourse.nodered.org/u/ravnos)\
**Replies:** 2\
**Last updated:** [16 November 2022 13:26 UTC](https://discourse.nodered.org/t/extracting-value-from-html-javascript/70699 "2022-11-16T13:26:37Z")

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Hi together, i am quite new to Node-RED and built up a MQTT - Node-RED - Influx - Grafana Server. It works like a charme but now i'm stuck for hours in a stupid http request. I want to extract some values from this si…

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## [Array of strings to numbers and naming them](https://discourse.nodered.org/t/array-of-strings-to-numbers-and-naming-them/70700)

<div class="topic-metadata">

**Author:** [@GRHMLGGT](https://discourse.nodered.org/u/GRHMLGGT)\
**Replies:** 12\
**Last updated:** [16 November 2022 13:20 UTC](https://discourse.nodered.org/t/array-of-strings-to-numbers-and-naming-them/70700 "2022-11-16T13:20:17Z")

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Hello Everyone, I working with a node which outputs an array of 8 strings and I wish to convert these to numbers and name each of the elements in the array. The elements of the array always arrive in the same order. I us…

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## [Global/Context Variables](https://discourse.nodered.org/t/global-context-variables/70705)

<div class="topic-metadata">

**Author:** [@Xanathon](https://discourse.nodered.org/u/Xanathon)\
**Replies:** 6\
**Last updated:** [16 November 2022 11:59 UTC](https://discourse.nodered.org/t/global-context-variables/70705 "2022-11-16T11:59:14Z")

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Hello, I'm somewhat new to NodeRED, but enjoying it very much and already was able to solve a lot of questions from the docs and this forum. However: For my production flows in a business context I need global variabl…

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## [Events: state with for condition does not trigger at startup](https://discourse.nodered.org/t/events-state-with-for-condition-does-not-trigger-at-startup/70702)

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**Author:** [@robcos](https://discourse.nodered.org/u/robcos)\
**Replies:** 1\
**Last updated:** [16 November 2022 11:19 UTC](https://discourse.nodered.org/t/events-state-with-for-condition-does-not-trigger-at-startup/70702 "2022-11-16T11:19:44Z")

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I use an events: state node with a "for X minutes" condition to detect if the the value of a binary sensor has not flipped for at least X minutes. Works normally fine except that if I restart nodered, there is no state …

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## [How to save and load flow Context Data](https://discourse.nodered.org/t/how-to-save-and-load-flow-context-data/70657)

<div class="topic-metadata">

**Author:** [@Mbessing](https://discourse.nodered.org/u/Mbessing)\
**Replies:** 5\
**Last updated:** [16 November 2022 10:46 UTC](https://discourse.nodered.org/t/how-to-save-and-load-flow-context-data/70657 "2022-11-16T10:46:22Z")

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Hi, I'm working on a project in which the user configures a dashboard basically by modifying different objects and arrays. When I close and open Node-RED I want these variables to remain the same as when closed. I've be…

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## [How to stop NodeRED from inside a flow?](https://discourse.nodered.org/t/how-to-stop-nodered-from-inside-a-flow/70693)

<div class="topic-metadata">

**Author:** [@wolfred](https://discourse.nodered.org/u/wolfred)\
**Replies:** 12\
**Last updated:** [16 November 2022 10:01 UTC](https://discourse.nodered.org/t/how-to-stop-nodered-from-inside-a-flow/70693 "2022-11-16T10:01:26Z")

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I need to run NodeRED in batch mode (headless) in a Docker container. Works perfect but I cannot terminate NodeRED anymore. NodeRED ist started (as root) with /usr/local/bin/node $NODE\_OPTIONS node\_modules/node-red/red…

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## [I don't know how to collect data for excel so that the header appears](https://discourse.nodered.org/t/i-dont-know-how-to-collect-data-for-excel-so-that-the-header-appears/70596)

<div class="topic-metadata">

**Author:** [@estagiario555](https://discourse.nodered.org/u/estagiario555)\
**Replies:** 4\
**Last updated:** [16 November 2022 09:52 UTC](https://discourse.nodered.org/t/i-dont-know-how-to-collect-data-for-excel-so-that-the-header-appears/70596 "2022-11-16T09:52:31Z")

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493 / 5.000 Resultados de tradução Hello, I'm trying to connect an opc ua to node red so that what is harvested from it goes to excel in the form of a spreadsheet with header and information. At first I was trying to do…

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## [Tasmota infinity loop switch in dashboard](https://discourse.nodered.org/t/tasmota-infinity-loop-switch-in-dashboard/70692)

<div class="topic-metadata">

**Author:** [@yingkhun](https://discourse.nodered.org/u/yingkhun)\
**Replies:** 2\
**Last updated:** [16 November 2022 08:41 UTC](https://discourse.nodered.org/t/tasmota-infinity-loop-switch-in-dashboard/70692 "2022-11-16T08:41:46Z")

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I have subscribed to tasmota stat for updated switch status from the hardware but after stat is updated its infinity loop happens how to fix it? Thank you

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