# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=322

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

**Page:** 323

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## [One-button garage - help](https://discourse.nodered.org/t/one-button-garage-help/66354)

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**Author:** [@zlucio](https://discourse.nodered.org/u/zlucio)\
**Replies:** 25\
**Last updated:** [16 September 2022 07:41 UTC](https://discourse.nodered.org/t/one-button-garage-help/66354 "2022-09-16T07:41:55Z")

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I should make an automation with node red + telegram for my garage and I ask for your help. Basically I have a Garage of which the only control I have of it is a button which, if pressed: When closed, it opens the gara…

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## [Whats a good way to repeat an incoming message?](https://discourse.nodered.org/t/whats-a-good-way-to-repeat-an-incoming-message/67731)

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**Author:** [@EaB11](https://discourse.nodered.org/u/EaB11)\
**Replies:** 7\
**Last updated:** [15 September 2022 23:41 UTC](https://discourse.nodered.org/t/whats-a-good-way-to-repeat-an-incoming-message/67731 "2022-09-15T23:41:39Z")

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i currently have some buttons in other software which are sending messages to Node Red.. when i press a button down it sends one message and when i release the button it sends a different message.. for example i press a …

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## [Remove an array depending on a condition](https://discourse.nodered.org/t/remove-an-array-depending-on-a-condition/67771)

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**Author:** [@notownblues](https://discourse.nodered.org/u/notownblues)\
**Replies:** 2\
**Last updated:** [15 September 2022 22:53 UTC](https://discourse.nodered.org/t/remove-an-array-depending-on-a-condition/67771 "2022-09-15T22:53:07Z")

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Hi, I'm using the TransportAPI to pull the next train departures from a station to a destination. There's multiple destinations (trains) I can take but one of them, the Weybridge one is 1h20 so I would like to exclude i…

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## [Node-red crashes Any suggestions on where to start](https://discourse.nodered.org/t/node-red-crashes-any-suggestions-on-where-to-start/67758)

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**Author:** [@davec1001](https://discourse.nodered.org/u/davec1001)\
**Replies:** 4\
**Last updated:** [15 September 2022 20:51 UTC](https://discourse.nodered.org/t/node-red-crashes-any-suggestions-on-where-to-start/67758 "2022-09-15T20:51:32Z")

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Sigh......I have a complex environment and complex flows. I have had 3 instances of node-red crashing in the last week. The only log message is 15 Sep 01:37:25 - \[red\] Uncaught Exception: 15 Sep 01:37:25 - \[error\] …

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## [Running Node-Red Tests on Gitlab CI](https://discourse.nodered.org/t/running-node-red-tests-on-gitlab-ci/67741)

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**Author:** [@BShashwat](https://discourse.nodered.org/u/BShashwat)\
**Replies:** 3\
**Last updated:** [15 September 2022 18:46 UTC](https://discourse.nodered.org/t/running-node-red-tests-on-gitlab-ci/67741 "2022-09-15T18:46:05Z")

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Hi All, I have written custom nodes and corresponding unit tests for them. They run fine locally. Now I am trying to set-up gitlab ci so that the same tests can run when any raises a Merge Request after making changes i…

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## [How to put a file in http request](https://discourse.nodered.org/t/how-to-put-a-file-in-http-request/67605)

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**Author:** [@vincentk222](https://discourse.nodered.org/u/vincentk222)\
**Replies:** 2\
**Last updated:** [15 September 2022 18:31 UTC](https://discourse.nodered.org/t/how-to-put-a-file-in-http-request/67605 "2022-09-15T18:31:10Z")

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I have this curl command that I would like to have in node red curl -X 'POST' 'https://api.server.com/processing/myfunction?include=opt1&include=opt2&wait\_for=120' -H 'accept: application/json' -H 'Content-Type: m…

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## [Change Top Logo on the Left](https://discourse.nodered.org/t/change-top-logo-on-the-left/67728)

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**Author:** [@edgars](https://discourse.nodered.org/u/edgars)\
**Replies:** 3\
**Last updated:** [15 September 2022 18:28 UTC](https://discourse.nodered.org/t/change-top-logo-on-the-left/67728 "2022-09-15T18:28:35Z")

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Hi People, Version: Node-RED version: v3.0.2 I am trying to change the top logo on the left, I followed the documentation, but it is not working. I followed this doc: But it did not worked, What I did: I added the…

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## [Hex serial output](https://discourse.nodered.org/t/hex-serial-output/67707)

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**Author:** [@173](https://discourse.nodered.org/u/173)\
**Replies:** 4\
**Last updated:** [15 September 2022 10:29 UTC](https://discourse.nodered.org/t/hex-serial-output/67707 "2022-09-15T10:29:58Z")

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Hi to everybody, I am working with serial-in/out nodes from node-red-node-serialport 0.11.0. I have a hex message that I want to out directly but the module deliver the string as ASCII string or binary buffers. Any id…

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## [Reusing set-cookie from response headers in HTTP request](https://discourse.nodered.org/t/reusing-set-cookie-from-response-headers-in-http-request/67482)

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**Author:** [@josechu](https://discourse.nodered.org/u/josechu)\
**Replies:** 21\
**Last updated:** [15 September 2022 08:35 UTC](https://discourse.nodered.org/t/reusing-set-cookie-from-response-headers-in-http-request/67482 "2022-09-15T08:35:26Z")

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Hi all, I'm struggling a bit to create an http flow in node-red... I've been fighting for some days, going ahead, but not achieving the final result, so any help will be a lot :slight\_smile: This is tied to this issue,…

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## [How to make PDF from HTML](https://discourse.nodered.org/t/how-to-make-pdf-from-html/67688)

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**Author:** [@smitterer](https://discourse.nodered.org/u/smitterer)\
**Replies:** 9\
**Last updated:** [15 September 2022 08:13 UTC](https://discourse.nodered.org/t/how-to-make-pdf-from-html/67688 "2022-09-15T08:13:21Z")

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Hi, Since I came across some limitations in node-red-contrib-pdf (for example not being able to change the paper size) and seeing that the node seems to be deprecated, I'm trying to switch over to html-pdf-node - npm. I…

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## [Config Node Select not working](https://discourse.nodered.org/t/config-node-select-not-working/67698)

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**Author:** [@alevher](https://discourse.nodered.org/u/alevher)\
**Replies:** 2\
**Last updated:** [15 September 2022 07:58 UTC](https://discourse.nodered.org/t/config-node-select-not-working/67698 "2022-09-15T07:58:02Z")

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hello everyone, i'm trying to develop a config node with a select inside for the type of the db. The select never saves its value, it takes the first option in the html and there's nothing i can do about it, even the de…

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## [JSON Crack - heads visual JSON](https://discourse.nodered.org/t/json-crack-heads-visual-json/67736)

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**Author:** [@iiLaw](https://discourse.nodered.org/u/iiLaw)\
**Replies:** 0\
**Last updated:** [15 September 2022 07:33 UTC](https://discourse.nodered.org/t/json-crack-heads-visual-json/67736 "2022-09-15T07:33:17Z")

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The jsoneditoronline.org editor is my goto but sometimes I wish I could see the structure. Discovered JSON crack JSON Crack - Crack your data into pieces might be of help to some folk.

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## [External package gives error](https://discourse.nodered.org/t/external-package-gives-error/67723)

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**Author:** [@lastheim](https://discourse.nodered.org/u/lastheim)\
**Replies:** 1\
**Last updated:** [14 September 2022 21:32 UTC](https://discourse.nodered.org/t/external-package-gives-error/67723 "2022-09-14T21:32:01Z")

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Hi, Im trying to add an external package, node-mavlink, to be able to use it in a function node in a node red flow. Im running node red in docker so Ive installed the package in /data and updated the settings.js file: …

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## [Restart a branch iteratively](https://discourse.nodered.org/t/restart-a-branch-iteratively/67715)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 2\
**Last updated:** [14 September 2022 19:30 UTC](https://discourse.nodered.org/t/restart-a-branch-iteratively/67715 "2022-09-14T19:30:18Z")

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Hi all I would like restart a branch iteratively. Now I set a injection with repeat function but the minimum step time is 1s. How I can restart many times as in a ladder code for example plc hardware? Many thanks

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## [Node-RED for code generation](https://discourse.nodered.org/t/node-red-for-code-generation/67683)

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**Author:** [@jamesd256](https://discourse.nodered.org/u/jamesd256)\
**Replies:** 6\
**Last updated:** [14 September 2022 17:58 UTC](https://discourse.nodered.org/t/node-red-for-code-generation/67683 "2022-09-14T17:58:18Z")

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Has anyone else thought of, or attempted to use NR as a visual code generator for an external language? In my case of interest that would be Lua. However the application for this I have in mind might work if Node-RED c…

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## [Node-snmp error](https://discourse.nodered.org/t/node-snmp-error/67633)

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**Author:** [@jonkers71](https://discourse.nodered.org/u/jonkers71)\
**Replies:** 7\
**Last updated:** [14 September 2022 17:05 UTC](https://discourse.nodered.org/t/node-snmp-error/67633 "2022-09-14T17:05:48Z")

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Hi all. Trying to use node-red-node-snmp on an Opto22 groov RIO. when if i try snmp walk node-red just restarts and if i try to get just one OID i get the following. 13‎/‎09‎/‎2022‎ ‎12‎:‎59‎:‎40‎ ‎PM\[node: eebcb0f2cc…

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## [Something is hapening i dont know](https://discourse.nodered.org/t/something-is-hapening-i-dont-know/67626)

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**Author:** [@mike-farur](https://discourse.nodered.org/u/mike-farur)\
**Replies:** 3\
**Last updated:** [14 September 2022 14:14 UTC](https://discourse.nodered.org/t/something-is-hapening-i-dont-know/67626 "2022-09-14T14:14:01Z")

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help! im was playing opc ua with tia portal everything was fine and then this happened for some reason after some seconds, it says the server crasheh, ive tried to repair node sj, then restart the computer, still the sa…

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## [OPC UA Alarm&Event server](https://discourse.nodered.org/t/opc-ua-alarm-event-server/67603)

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**Author:** [@bjorningeo](https://discourse.nodered.org/u/bjorningeo)\
**Replies:** 1\
**Last updated:** [14 September 2022 13:40 UTC](https://discourse.nodered.org/t/opc-ua-alarm-event-server/67603 "2022-09-14T13:40:32Z")

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Is there a node that can be an OPC UA Alarm&Event server ? eny exmple flows ?

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## [The request is invalid error](https://discourse.nodered.org/t/the-request-is-invalid-error/67699)

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**Author:** [@MiliH](https://discourse.nodered.org/u/MiliH)\
**Replies:** 1\
**Last updated:** [14 September 2022 13:35 UTC](https://discourse.nodered.org/t/the-request-is-invalid-error/67699 "2022-09-14T13:35:54Z")

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Hello, Greeting! When I am passing parameter in REST API in HTTP request node, it is throwing the request is invalid error. I am passing parameter in below format Find error snap below

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## [Strange MQTT connection issue](https://discourse.nodered.org/t/strange-mqtt-connection-issue/65626)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 1\
**Last updated:** [26 July 2022 07:45 UTC](https://discourse.nodered.org/t/strange-mqtt-connection-issue/65626 "2022-07-26T07:45:47Z")

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I'm hoping that by simply writing my problem out - the answer will leap out at me :slight\_smile: So got this and backed up by this in my console I DON'T ADAM AND EVE IT!!! Just by simply starting to write this p…

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## [Librato Metrics](https://discourse.nodered.org/t/librato-metrics/67689)

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**Author:** [@hermiot](https://discourse.nodered.org/u/hermiot)\
**Replies:** 1\
**Last updated:** [14 September 2022 10:32 UTC](https://discourse.nodered.org/t/librato-metrics/67689 "2022-09-14T10:32:23Z")

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Hi, is anyone using librato service? I'm using the GitHub - hubofthings/node-red-contrib-librato: A Node-RED node to send metrics to Librato. node. The Metric is shown on librato, but it doesn't contain data. Thanks!

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## [How do I write dynamic data to Postgres DB](https://discourse.nodered.org/t/how-do-i-write-dynamic-data-to-postgres-db/67682)

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**Author:** [@eldho1416](https://discourse.nodered.org/u/eldho1416)\
**Replies:** 3\
**Last updated:** [14 September 2022 10:09 UTC](https://discourse.nodered.org/t/how-do-i-write-dynamic-data-to-postgres-db/67682 "2022-09-14T10:09:26Z")

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Hello Everyone, I'm doing a project in which I want to send data to my local MQTT broker and I will get the data in nodered by subscribing to the MQTT broker. Now I want to Insert the data coming out from "MQTT in" node…

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## [Change incoming MQTT payload and send it to Tasmota](https://discourse.nodered.org/t/change-incoming-mqtt-payload-and-send-it-to-tasmota/67686)

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**Author:** [@Fliacik](https://discourse.nodered.org/u/Fliacik)\
**Replies:** 3\
**Last updated:** [14 September 2022 09:34 UTC](https://discourse.nodered.org/t/change-incoming-mqtt-payload-and-send-it-to-tasmota/67686 "2022-09-14T09:34:29Z")

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Hi there. Please I need help with convert incoming message from my ORNO WE 516 to readable domoticz values. On input from MQTT i get this message in string form: tele/tasmota\_147B98/SENSOR : msg.payload : string\[316\] {…

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## [row.getCell(columnName) in nodered-ui-Table doesn't work](https://discourse.nodered.org/t/row-getcell-columnname-in-nodered-ui-table-doesnt-work/67674)

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**Author:** [@Henjoe](https://discourse.nodered.org/u/Henjoe)\
**Replies:** 0\
**Last updated:** [14 September 2022 05:49 UTC](https://discourse.nodered.org/t/row-getcell-columnname-in-nodered-ui-table-doesnt-work/67674 "2022-09-14T05:49:10Z")

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Hi I am trying to use the row.getCell(column) in my nodered-ui-Table so that when a user edited a specific cells or rows it will send a callbacks. However, it seems like this function is not functioning well. I have co…

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## [Split a string of a Location Payload from Datacake and pass it to Home Assistant as coordinates](https://discourse.nodered.org/t/split-a-string-of-a-location-payload-from-datacake-and-pass-it-to-home-assistant-as-coordinates/67664)

<div class="topic-metadata">

**Author:** [@jordes2020](https://discourse.nodered.org/u/jordes2020)\
**Replies:** 2\
**Last updated:** [14 September 2022 03:06 UTC](https://discourse.nodered.org/t/split-a-string-of-a-location-payload-from-datacake-and-pass-it-to-home-assistant-as-coordinates/67664 "2022-09-14T03:06:58Z")

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I get a location payload from Datacake as a string separated by the coma. I want to separate it to two single values to pass it on to Home Assistant as single values latitude and longitude. Does anyone know how I separat…

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## [Function to convert analog input value!](https://discourse.nodered.org/t/function-to-convert-analog-input-value/67636)

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**Author:** [@everklein](https://discourse.nodered.org/u/everklein)\
**Replies:** 2\
**Last updated:** [14 September 2022 01:51 UTC](https://discourse.nodered.org/t/function-to-convert-analog-input-value/67636 "2022-09-14T01:51:07Z")

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I'm reading an analog input with node-red-contrib-s7 and would like to convert this analog value to a scale from 0 to 100. Any tips on how to get the function to convert?

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## [Elasticsearch node](https://discourse.nodered.org/t/elasticsearch-node/67662)

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**Author:** [@juancavila](https://discourse.nodered.org/u/juancavila)\
**Replies:** 0\
**Last updated:** [13 September 2022 17:17 UTC](https://discourse.nodered.org/t/elasticsearch-node/67662 "2022-09-13T17:17:57Z")

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Hello, could you help me? I want to send data to Elasticsearch Cloud, but the only node I was able to connect to is "node-red-contrib-elastic" (node-red-contrib-elastic (node) - Node-RED) because it uses server ID (clus…

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## [Adding Certain data tags to a data received by a sensor](https://discourse.nodered.org/t/adding-certain-data-tags-to-a-data-received-by-a-sensor/67513)

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**Author:** [@Hossam\_Ali](https://discourse.nodered.org/u/Hossam_Ali)\
**Replies:** 24\
**Last updated:** [13 September 2022 17:17 UTC](https://discourse.nodered.org/t/adding-certain-data-tags-to-a-data-received-by-a-sensor/67513 "2022-09-13T17:17:10Z")

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Hello Everyone, I am receiving a data from a sensor with a certain data tags {Device}. {Events} but I would like to change this data tags to match this format: {line}.{unit/system/function}.{device/function}\[.{device/f…

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## [Shelly updated light conditions](https://discourse.nodered.org/t/shelly-updated-light-conditions/67528)

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**Author:** [@TorstenHa](https://discourse.nodered.org/u/TorstenHa)\
**Replies:** 4\
**Last updated:** [13 September 2022 16:56 UTC](https://discourse.nodered.org/t/shelly-updated-light-conditions/67528 "2022-09-13T16:56:51Z")

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hello everybody, i am very new to the universe of node red. so forgive me if the right answer is already figured out. from the beginning, i used for all the time till now the alexa app to do my tasks. i have 40 devices…

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## [Fix characters changed by template node](https://discourse.nodered.org/t/fix-characters-changed-by-template-node/67661)

<div class="topic-metadata">

**Author:** [@josechu](https://discourse.nodered.org/u/josechu)\
**Replies:** 2\
**Last updated:** [13 September 2022 16:29 UTC](https://discourse.nodered.org/t/fix-characters-changed-by-template-node/67661 "2022-09-13T16:29:12Z")

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Hi, Im using a template node tu build an email body with some payload variables, like this: \<b\>Date:\</b\> {{payload.0.fecha}} \<br\> \<br\> Comentario1: {{payload.1.texto}} It's coming good but when any of that values, in …

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