# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=455

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

**Page:** 456

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## [Upload an image from file explorer in node-red](https://discourse.nodered.org/t/upload-an-image-from-file-explorer-in-node-red/71022)

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**Author:** [@JCEspitia](https://discourse.nodered.org/u/JCEspitia)\
**Replies:** 0\
**Last updated:** [21 November 2022 22:22 UTC](https://discourse.nodered.org/t/upload-an-image-from-file-explorer-in-node-red/71022 "2022-11-21T22:22:55Z")

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hi i need to create a form where i can upload an image and then with a button encode and submit the image as a msg.payload. In the images I show an idea, any suggestions?

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## [Date & time format in debug sidebar](https://discourse.nodered.org/t/date-time-format-in-debug-sidebar/71003)

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**Author:** [@bzq-pl](https://discourse.nodered.org/u/bzq-pl)\
**Replies:** 6\
**Last updated:** [21 November 2022 21:56 UTC](https://discourse.nodered.org/t/date-time-format-in-debug-sidebar/71003 "2022-11-21T21:56:33Z")

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Hi, probably this is related with my last node-red upgrade ... but I noticed it in last days. Is there any way to change date & time used by node-red to display in debug sidebar? Now it looks like this: ... and I wo…

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## [Getting a keyboard input into node-red](https://discourse.nodered.org/t/getting-a-keyboard-input-into-node-red/70951)

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**Author:** [@Felix\_Cheah](https://discourse.nodered.org/u/Felix_Cheah)\
**Replies:** 6\
**Last updated:** [21 November 2022 21:33 UTC](https://discourse.nodered.org/t/getting-a-keyboard-input-into-node-red/70951 "2022-11-21T21:33:25Z")

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I'm trying to get a regular usb keyboard inputs into node-red on a windows 10 machine. I've tried keypress and that works nicely however it only works when you're on the terminal/CMD. I tried node-red-contrib-usbhid, bu…

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## [Problem importing external libraries to node-red](https://discourse.nodered.org/t/problem-importing-external-libraries-to-node-red/70835)

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**Author:** [@RenanLourenco](https://discourse.nodered.org/u/RenanLourenco)\
**Replies:** 9\
**Last updated:** [21 November 2022 21:06 UTC](https://discourse.nodered.org/t/problem-importing-external-libraries-to-node-red/70835 "2022-11-21T21:06:42Z")

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Hello guys, Im trying to deploy my node-red project in aws ec2 ubuntu server. My project uses the built-in module crypto, i declare the module functionGlobalContext object in settings.js: 'Locally' everything works…

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## [Organize values in SQL](https://discourse.nodered.org/t/organize-values-in-sql/71006)

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**Author:** [@Kefren\_lml](https://discourse.nodered.org/u/Kefren_lml)\
**Replies:** 1\
**Last updated:** [21 November 2022 20:30 UTC](https://discourse.nodered.org/t/organize-values-in-sql/71006 "2022-11-21T20:30:39Z")

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Hello {"payload":{"TT1914.Val":33.463035583496094,"TT25011.Val":27.10765266418457,"FT\_Torre":-996},"\_msgid":"da09e59a60c864b6"} The line before is the msg topic and payload i got from a eth node and need to add the 3 v…

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## [Hola buenas tardes, Como puedo utilizar el mismo nodo de dashboard ui template del hmi , dos veces en un mismo ejemplo](https://discourse.nodered.org/t/hola-buenas-tardes-como-puedo-utilizar-el-mismo-nodo-de-dashboard-ui-template-del-hmi-dos-veces-en-un-mismo-ejemplo/71012)

<div class="topic-metadata">

**Author:** [@jhoningMTN](https://discourse.nodered.org/u/jhoningMTN)\
**Replies:** 1\
**Last updated:** [21 November 2022 20:27 UTC](https://discourse.nodered.org/t/hola-buenas-tardes-como-puedo-utilizar-el-mismo-nodo-de-dashboard-ui-template-del-hmi-dos-veces-en-un-mismo-ejemplo/71012 "2022-11-21T20:27:31Z")

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alguien me ayuda por favor ,soy nuevo en node red y utilizando nodo de dashboard ui template flows (8).json (24.4 KB) ahi esta el ejemplo de .JSON

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## [Slow TCP connections](https://discourse.nodered.org/t/slow-tcp-connections/71014)

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**Author:** [@novski](https://discourse.nodered.org/u/novski)\
**Replies:** 0\
**Last updated:** [21 November 2022 20:12 UTC](https://discourse.nodered.org/t/slow-tcp-connections/71014 "2022-11-21T20:12:15Z")

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I have a Story upon a question that is bothering me some time now. I use NR as Mediacontrol for various devices in a number of Projects. Most devices are common PC's which I start, stop and observe to create Multimedia…

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## [Install eWelink](https://discourse.nodered.org/t/install-ewelink/67854)

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**Author:** [@milandzuris](https://discourse.nodered.org/u/milandzuris)\
**Replies:** 8\
**Last updated:** [21 November 2022 19:44 UTC](https://discourse.nodered.org/t/install-ewelink/67854 "2022-11-21T19:44:04Z")

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I want install ewelink and i have this error how to fix it? 2022-09-17T14:51:34.478Z Install : node-red-contrib-ewelink 2.0.0 2022-09-17T14:51:33.761Z npm install --no-audit --no-update-notifier --no-fund --save --sa…

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## [Get value from mysql in debug](https://discourse.nodered.org/t/get-value-from-mysql-in-debug/70772)

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**Author:** [@Ynfante](https://discourse.nodered.org/u/Ynfante)\
**Replies:** 7\
**Last updated:** [21 November 2022 19:33 UTC](https://discourse.nodered.org/t/get-value-from-mysql-in-debug/70772 "2022-11-21T19:33:41Z")

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hello I am trying to take the value of "SANTIAGO,ALEX,LUIS D." but I have tried and there is no way I have tried to take it using my change node using the msg.payload\[0\].return ('{ "ACTION":"RET.LIST.CHF-S","ID":1}' ): b…

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## [Does the CMD have to be running?](https://discourse.nodered.org/t/does-the-cmd-have-to-be-running/71008)

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**Author:** [@mike-farur](https://discourse.nodered.org/u/mike-farur)\
**Replies:** 4\
**Last updated:** [21 November 2022 19:33 UTC](https://discourse.nodered.org/t/does-the-cmd-have-to-be-running/71008 "2022-11-21T19:33:15Z")

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Hi, guys! I'm student still practicing this software, i have a plc at home, thinking about setting some projects up using nodered as a HMI, through my phone preferably. Does the CMD have to be running (online) for me t…

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## [Is there a way to delete multiple unused configuration nodes?](https://discourse.nodered.org/t/is-there-a-way-to-delete-multiple-unused-configuration-nodes/1219)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 8\
**Last updated:** [21 November 2022 19:08 UTC](https://discourse.nodered.org/t/is-there-a-way-to-delete-multiple-unused-configuration-nodes/1219 "2022-11-21T19:08:50Z")

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Many times I import someone's flow to see if I can help and finaly delete all the tabs that they used, but this can lead to having many unused configuration nodes showing up. I know I can double click them and remove the…

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## [Remote red dashboard from another computer](https://discourse.nodered.org/t/remote-red-dashboard-from-another-computer/70570)

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**Author:** [@mike-farur](https://discourse.nodered.org/u/mike-farur)\
**Replies:** 9\
**Last updated:** [21 November 2022 18:34 UTC](https://discourse.nodered.org/t/remote-red-dashboard-from-another-computer/70570 "2022-11-21T18:34:43Z")

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hi! I know how to use remote red app to control the dashboard but how can i use to open the dashboard from onther computer?

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## [How "bypass" TypeError: Cannot read property '0' of undefined](https://discourse.nodered.org/t/how-bypass-typeerror-cannot-read-property-0-of-undefined/70923)

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**Author:** [@lumanga](https://discourse.nodered.org/u/lumanga)\
**Replies:** 10\
**Last updated:** [21 November 2022 18:06 UTC](https://discourse.nodered.org/t/how-bypass-typeerror-cannot-read-property-0-of-undefined/70923 "2022-11-21T18:06:32Z")

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Dear Sir, I have a flow that receive some DHT22 values from different NodeMCU via MQTT. I have created a "JOIN NODE" to JOIN all the sensor values, and make a correct unique long array to send to: a "FUNCTION NODE"…

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## [Error: Non-whitespace before first tag. Line: 0 Column: 1 Char: 1](https://discourse.nodered.org/t/error-non-whitespace-before-first-tag-line-0-column-1-char-1/70999)

<div class="topic-metadata">

**Author:** [@eamil](https://discourse.nodered.org/u/eamil)\
**Replies:** 2\
**Last updated:** [21 November 2022 17:45 UTC](https://discourse.nodered.org/t/error-non-whitespace-before-first-tag-line-0-column-1-char-1/70999 "2022-11-21T17:45:58Z")

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Hello, I am getting such error and I can't solve it. Could you help?

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## [Little problem with flow / function](https://discourse.nodered.org/t/little-problem-with-flow-function/70997)

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**Author:** [@rimmel](https://discourse.nodered.org/u/rimmel)\
**Replies:** 2\
**Last updated:** [21 November 2022 17:18 UTC](https://discourse.nodered.org/t/little-problem-with-flow-function/70997 "2022-11-21T17:18:50Z")

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Hi, i´m new to node-red and new to this forum. until now i´m using domoticz with zigbee, mqtt and wifi. since a few days i try to set up my new sonoff NSPanel. the two relais buttons are no problem and working fine wi…

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## [Store value in custom node HTML](https://discourse.nodered.org/t/store-value-in-custom-node-html/70991)

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**Author:** [@ItsDaveTheWave](https://discourse.nodered.org/u/ItsDaveTheWave)\
**Replies:** 1\
**Last updated:** [21 November 2022 17:02 UTC](https://discourse.nodered.org/t/store-value-in-custom-node-html/70991 "2022-11-21T17:02:55Z")

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I would like to store a certain dynamic value for it to be used in the HTML of my custom node. For example, when using a spinner input we can create a function that is executed whenever the value of the spinner changes,…

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## [Is there a way to apply sudo to specific serial port? Otherwise can not open](https://discourse.nodered.org/t/is-there-a-way-to-apply-sudo-to-specific-serial-port-otherwise-can-not-open/70016)

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**Author:** [@rxunique](https://discourse.nodered.org/u/rxunique)\
**Replies:** 22\
**Last updated:** [21 November 2022 17:00 UTC](https://discourse.nodered.org/t/is-there-a-way-to-apply-sudo-to-specific-serial-port-otherwise-can-not-open/70016 "2022-11-21T17:00:11Z")

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I'm building a Pi Zero hotspot modem with https://www.waveshare.com/wiki/SIM7600G-H\_4G\_HAT\_(B) using RNDIS , which needs AT commands via /dev/ttyUSB2 to get GPS info and all the other settings. I just rang into a wall t…

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## [Can dashboard scaling for different devices be influenced?](https://discourse.nodered.org/t/can-dashboard-scaling-for-different-devices-be-influenced/70989)

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**Author:** [@Mikee1234K](https://discourse.nodered.org/u/Mikee1234K)\
**Replies:** 2\
**Last updated:** [21 November 2022 16:31 UTC](https://discourse.nodered.org/t/can-dashboard-scaling-for-different-devices-be-influenced/70989 "2022-11-21T16:31:00Z")

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My dashboard is displaying perfectly on my PC browser. On my Android tablet, it always moves some widgets under others. It would be good if that could be influenced, so if I could somewhere specify if its scahles, move w…

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## [How can I return a value from a recursive function?](https://discourse.nodered.org/t/how-can-i-return-a-value-from-a-recursive-function/70986)

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**Author:** [@widert](https://discourse.nodered.org/u/widert)\
**Replies:** 2\
**Last updated:** [21 November 2022 16:23 UTC](https://discourse.nodered.org/t/how-can-i-return-a-value-from-a-recursive-function/70986 "2022-11-21T16:23:08Z")

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Hello, I'm trying to return a value from the following recursive function: function recurse(data, found) { if (found) { return true; } let iPhones = \[ "06:0f:a4:98:59:42", //T "8a:71…

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## [Any nodes written in Typescript with config nodes?](https://discourse.nodered.org/t/any-nodes-written-in-typescript-with-config-nodes/69136)

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**Author:** [@AntekAiR](https://discourse.nodered.org/u/AntekAiR)\
**Replies:** 1\
**Last updated:** [21 November 2022 16:13 UTC](https://discourse.nodered.org/t/any-nodes-written-in-typescript-with-config-nodes/69136 "2022-11-21T16:13:50Z")

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Hi, Does anyone know about some working node library that is: written in Typescript using config node I have found some basic info about Typescript and Node, but I am looking for something a little bit more complicat…

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## [Node-red as a snap not able to run git](https://discourse.nodered.org/t/node-red-as-a-snap-not-able-to-run-git/70961)

<div class="topic-metadata">

**Author:** [@d-beamon](https://discourse.nodered.org/u/d-beamon)\
**Replies:** 4\
**Last updated:** [21 November 2022 14:58 UTC](https://discourse.nodered.org/t/node-red-as-a-snap-not-able-to-run-git/70961 "2022-11-21T14:58:27Z")

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Hi! I'm using node-red as a snap and I'm finding some troubles installing some nodes from the Palette Manager. The problem in this case is that node-red is not able to run 'git' (which is located in the host system out…

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## [Dashboard groupe open/close pre NRv2.20](https://discourse.nodered.org/t/dashboard-groupe-open-close-pre-nrv2-20/70985)

<div class="topic-metadata">

**Author:** [@novski](https://discourse.nodered.org/u/novski)\
**Replies:** 2\
**Last updated:** [21 November 2022 14:51 UTC](https://discourse.nodered.org/t/dashboard-groupe-open-close-pre-nrv2-20/70985 "2022-11-21T14:51:55Z")

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My Dashboard does not open/close groups with this sample. It says that open/close works since 2.20. I have 2.1.6. Can I close my groups with CSS somehow like inside the dashboard-group preference window?

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## [How to iterate over multiple tag topics?](https://discourse.nodered.org/t/how-to-iterate-over-multiple-tag-topics/70879)

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**Author:** [@Pari](https://discourse.nodered.org/u/Pari)\
**Replies:** 8\
**Last updated:** [21 November 2022 14:15 UTC](https://discourse.nodered.org/t/how-to-iterate-over-multiple-tag-topics/70879 "2022-11-21T14:15:29Z")

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I have multiple OPCUA tags emitting data. I want each of the tag to go through a series of steps (eg: add some property to the tag's payload, aggregate the data over 1 minute and finally write it to MongoDB using MongoDB…

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## [Senior Integration Engineer at CareMessage.org - Remote (US only)](https://discourse.nodered.org/t/senior-integration-engineer-at-caremessage-org-remote-us-only/70981)

<div class="topic-metadata">

**Author:** [@gbonetti](https://discourse.nodered.org/u/gbonetti)\
**Replies:** 0\
**Last updated:** [21 November 2022 13:51 UTC](https://discourse.nodered.org/t/senior-integration-engineer-at-caremessage-org-remote-us-only/70981 "2022-11-21T13:51:43Z")

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We are looking to hire a US based (for compliance reasons) Senior Integration Engineer who will be responsible for leading the technical development of integration API to API, HL7, and FHIR based workflows using the Rhap…

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## [Dashboard switch not turning on any more in one tab](https://discourse.nodered.org/t/dashboard-switch-not-turning-on-any-more-in-one-tab/70977)

<div class="topic-metadata">

**Author:** [@Mikee1234K](https://discourse.nodered.org/u/Mikee1234K)\
**Replies:** 2\
**Last updated:** [21 November 2022 13:52 UTC](https://discourse.nodered.org/t/dashboard-switch-not-turning-on-any-more-in-one-tab/70977 "2022-11-21T13:52:19Z")

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I have a few dashboard switches in one tab which have stopped working. First, they lost sync with the dashboard. Meaning, they showed off in the flow, while the dashboard showed on. Trying to change status on the dashboa…

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## [Exec-command does not deliver full set of data](https://discourse.nodered.org/t/exec-command-does-not-deliver-full-set-of-data/70930)

<div class="topic-metadata">

**Author:** [@gerhard1951](https://discourse.nodered.org/u/gerhard1951)\
**Replies:** 6\
**Last updated:** [21 November 2022 13:46 UTC](https://discourse.nodered.org/t/exec-command-does-not-deliver-full-set-of-data/70930 "2022-11-21T13:46:32Z")

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Hi, I try to send a curl - command with several options using the exec-command for receiving the access token (with thousands of characters) for an API Interface. The command looks like this: \<curl -v --url "https:/…

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## [Hide a "link" in dashboard](https://discourse.nodered.org/t/hide-a-link-in-dashboard/70975)

<div class="topic-metadata">

**Author:** [@raullink](https://discourse.nodered.org/u/raullink)\
**Replies:** 0\
**Last updated:** [21 November 2022 11:50 UTC](https://discourse.nodered.org/t/hide-a-link-in-dashboard/70975 "2022-11-21T11:50:56Z")

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Hi there. In my navigation bar I have tabs and links. I use the ui\_control node to hide/show tabs or groups, but I dont know how to hide the "link" ones. I've tried: msg.payload = { "tabs": { "hide": "my\_…

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## [Timestamps operation](https://discourse.nodered.org/t/timestamps-operation/70967)

<div class="topic-metadata">

**Author:** [@jipi](https://discourse.nodered.org/u/jipi)\
**Replies:** 1\
**Last updated:** [21 November 2022 11:22 UTC](https://discourse.nodered.org/t/timestamps-operation/70967 "2022-11-21T11:22:31Z")

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Hello, I have a problem with the use of timestamps. I want to make the difference between 2 timestamps and convert them to H:min:s.

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## [Log analysis service recommendation\>](https://discourse.nodered.org/t/log-analysis-service-recommendation/70909)

<div class="topic-metadata">

**Author:** [@Stwissel](https://discourse.nodered.org/u/Stwissel)\
**Replies:** 3\
**Last updated:** [21 November 2022 11:10 UTC](https://discourse.nodered.org/t/log-analysis-service-recommendation/70909 "2022-11-21T11:10:56Z")

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Hi there, we are running NodeRED on Docker on IntelNUC in a farm, mostly unencumbered by local IT skills. Thus we are looking for a log analysis service - preferably deployable as container. NodeRED writes the logs to s…

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## [Add comma in array](https://discourse.nodered.org/t/add-comma-in-array/70899)

<div class="topic-metadata">

**Author:** [@dowermyr](https://discourse.nodered.org/u/dowermyr)\
**Replies:** 3\
**Last updated:** [21 November 2022 10:35 UTC](https://discourse.nodered.org/t/add-comma-in-array/70899 "2022-11-21T10:35:36Z")

</div>

Hi! How do i divide a value in an array, and keep one decimal ?

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