# Latest

**URL:** https://discourse.nodered.org/latest.md?page=539

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

**Page:** 540

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## [Put unique ID on these values?](https://discourse.nodered.org/t/put-unique-id-on-these-values/64801)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 1\
**Last updated:** [7 July 2022 15:59 UTC](https://discourse.nodered.org/t/put-unique-id-on-these-values/64801 "2022-07-07T15:59:50Z")

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So I tried to get the cost for my power consumption correct but I am still struggling. The Tibber feed puts out data every 1,5 sec. I have delayed the message to every 60 seconds. Each hour the kWh cost is different s…

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## [Help with Node-Red-Node-Ping and multiple NIC's](https://discourse.nodered.org/t/help-with-node-red-node-ping-and-multiple-nics/64776)

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**Author:** [@mrdanedwards](https://discourse.nodered.org/u/mrdanedwards)\
**Replies:** 1\
**Last updated:** [7 July 2022 14:17 UTC](https://discourse.nodered.org/t/help-with-node-red-node-ping-and-multiple-nics/64776 "2022-07-07T14:17:27Z")

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Hello All, I am currently using NodeRed on my Pi400 (version 2.2.2) as a general network monitoring GUI. Its pretty simple, and the table I've made just shows the IP address of the device, the ping time and then a hard…

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## [Shortcut to assign multiple nodes inputs to single output](https://discourse.nodered.org/t/shortcut-to-assign-multiple-nodes-inputs-to-single-output/64799)

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**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 3\
**Last updated:** [7 July 2022 13:48 UTC](https://discourse.nodered.org/t/shortcut-to-assign-multiple-nodes-inputs-to-single-output/64799 "2022-07-07T13:48:08Z")

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Hello, is there a fast way to connect single node output to multiple node inputs? I would like for a right side to look the same as left without assigning one by one

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## [Alexa-home - alexa\_ip is undefined](https://discourse.nodered.org/t/alexa-home-alexa-ip-is-undefined/64786)

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**Author:** [@Sylvan](https://discourse.nodered.org/u/Sylvan)\
**Replies:** 3\
**Last updated:** [7 July 2022 11:13 UTC](https://discourse.nodered.org/t/alexa-home-alexa-ip-is-undefined/64786 "2022-07-07T11:13:36Z")

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According to the documentation, the alexa-home node sends the IP address of the Echo device that initialized the message. This can be found under msg.alexa\_ip. The problem in my case is that I never get an IP. The val…

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## [Setting authentication for dashboard only](https://discourse.nodered.org/t/setting-authentication-for-dashboard-only/64789)

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**Author:** [@lizzardguki](https://discourse.nodered.org/u/lizzardguki)\
**Replies:** 2\
**Last updated:** [7 July 2022 09:30 UTC](https://discourse.nodered.org/t/setting-authentication-for-dashboard-only/64789 "2022-07-07T09:30:32Z")

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I know it's possible to set authentication on all node-red endpoints via 'httpNodeauth'. But is there a way to set authentication on dashboard only?

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## [Add background image in template node on a website](https://discourse.nodered.org/t/add-background-image-in-template-node-on-a-website/64791)

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**Author:** [@NeetaJ](https://discourse.nodered.org/u/NeetaJ)\
**Replies:** 3\
**Last updated:** [7 July 2022 08:58 UTC](https://discourse.nodered.org/t/add-background-image-in-template-node-on-a-website/64791 "2022-07-07T08:58:56Z")

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Hi, I want to add a background image for this website. The image is on my local computer. How to i reference to it in node red and also when it is published how can that image be available to everyone. How do i make the…

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## [How to edit host file for google calendar on node red](https://discourse.nodered.org/t/how-to-edit-host-file-for-google-calendar-on-node-red/64785)

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**Author:** [@TimC1986](https://discourse.nodered.org/u/TimC1986)\
**Replies:** 1\
**Last updated:** [7 July 2022 08:02 UTC](https://discourse.nodered.org/t/how-to-edit-host-file-for-google-calendar-on-node-red/64785 "2022-07-07T08:02:06Z")

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Hello I'm running node red on a cerbo gx (running on Venus OS) device and I'm trying to setup a google calendar node. At the moment I have everything configured in the google cloud (created app, enabled API, got the cr…

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## [Check if folder is mountPoint](https://discourse.nodered.org/t/check-if-folder-is-mountpoint/64788)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 4\
**Last updated:** [7 July 2022 07:56 UTC](https://discourse.nodered.org/t/check-if-folder-is-mountpoint/64788 "2022-07-07T07:56:26Z")

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Hi all, I would like check if a folder is a mount point using a function in node-red. I try looking for fs or os function without success. Can someone help me?

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## [Incorrect DB lookup issue](https://discourse.nodered.org/t/incorrect-db-lookup-issue/64764)

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**Author:** [@elusion](https://discourse.nodered.org/u/elusion)\
**Replies:** 9\
**Last updated:** [7 July 2022 07:42 UTC](https://discourse.nodered.org/t/incorrect-db-lookup-issue/64764 "2022-07-07T07:42:21Z")

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I'm having a weird problem with one of our apps, as follows: The app receives an email, it is parsed by a function node and the from address is logged using node.warn. The same function node then creates a message with…

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## [Horizontal Bar Chart: hide specific bars](https://discourse.nodered.org/t/horizontal-bar-chart-hide-specific-bars/5028)

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**Author:** [@JayGhb](https://discourse.nodered.org/u/JayGhb)\
**Replies:** 3\
**Last updated:** [7 July 2022 07:20 UTC](https://discourse.nodered.org/t/horizontal-bar-chart-hide-specific-bars/5028 "2022-07-07T07:20:50Z")

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Hello! I would like to post a question regarding the horizontal bar chart "hiding bars" functionality. As seen in the image below, I know it is possible to hide specific lines in a Line chart by clicking the boxes corr…

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## [Change default render of UI nodes?](https://discourse.nodered.org/t/change-default-render-of-ui-nodes/64751)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [7 July 2022 02:14 UTC](https://discourse.nodered.org/t/change-default-render-of-ui-nodes/64751 "2022-07-07T02:14:54Z")

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This maybe a loaded question, no pun intended, but I would like to have the default scheme for dashboard UI controls to not be white text on teal background, but to say black text on red background? Yes I can configure …

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## [Calculate accumulated price based on power consumption](https://discourse.nodered.org/t/calculate-accumulated-price-based-on-power-consumption/64771)

<div class="topic-metadata">

**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 3\
**Last updated:** [6 July 2022 22:13 UTC](https://discourse.nodered.org/t/calculate-accumulated-price-based-on-power-consumption/64771 "2022-07-06T22:13:23Z")

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I got this feed provided from Tibber, my power consumption accumulated for the last hour. I also have the price for the power. The price is without all the taxes so i added them and i then recieve the price as well. T…

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## [Node red Javascript with start en stop payload for led blink](https://discourse.nodered.org/t/node-red-javascript-with-start-en-stop-payload-for-led-blink/64780)

<div class="topic-metadata">

**Author:** [@kirelam](https://discourse.nodered.org/u/kirelam)\
**Replies:** 1\
**Last updated:** [6 July 2022 20:46 UTC](https://discourse.nodered.org/t/node-red-javascript-with-start-en-stop-payload-for-led-blink/64780 "2022-07-06T20:46:05Z")

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Dear Nodes, I am no scripter, so i do not now "yet" how to program Javascript to do the following: Node red Javascript node with a start (1) and stop (0) payload for led blink. And then something with a tme like 500ms…

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## [UI Page Open Incorrectly](https://discourse.nodered.org/t/ui-page-open-incorrectly/64781)

<div class="topic-metadata">

**Author:** [@ryanoliveir](https://discourse.nodered.org/u/ryanoliveir)\
**Replies:** 0\
**Last updated:** [6 July 2022 20:37 UTC](https://discourse.nodered.org/t/ui-page-open-incorrectly/64781 "2022-07-06T20:37:54Z")

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Every time that you load the page, the page load this way. If you try to change page dimension, the page return the normal: This started happening after I changed the flows. I was trying to change the title of pa…

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## [The element of an array name has a period in the name. "pm2.5\_10minute"](https://discourse.nodered.org/t/the-element-of-an-array-name-has-a-period-in-the-name-pm2-5-10minute/64775)

<div class="topic-metadata">

**Author:** [@johnlietzke](https://discourse.nodered.org/u/johnlietzke)\
**Replies:** 2\
**Last updated:** [6 July 2022 19:24 UTC](https://discourse.nodered.org/t/the-element-of-an-array-name-has-a-period-in-the-name-pm2-5-10minute/64775 "2022-07-06T19:24:35Z")

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Any suggestions on how to get the value of the second object? object { pm2.5: 0.8\* pm2.5\_10minute: 0.7\* pm2.5\_30minute: 0.6\* pm2.5\_60minute: 0.6\* pm2.5\_6hour: 1.6\* pm2.5\_24hour: 3\* pm2.5\_1week: 3.5\* } Purple Air ha…

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## [Web scraping text and looking result up in table](https://discourse.nodered.org/t/web-scraping-text-and-looking-result-up-in-table/64743)

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**Author:** [@EspeeFunsail](https://discourse.nodered.org/u/EspeeFunsail)\
**Replies:** 2\
**Last updated:** [6 July 2022 18:57 UTC](https://discourse.nodered.org/t/web-scraping-text-and-looking-result-up-in-table/64743 "2022-07-06T18:57:05Z")

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I am using http-request to get the text from this website: https://ewn.co.za/assets/loadshedding/api/status All I want to do is get the data after a certain set of words, for example: "City Customers: Stage " and then …

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## [RC controller via Node Red](https://discourse.nodered.org/t/rc-controller-via-node-red/64773)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 0\
**Last updated:** [6 July 2022 18:36 UTC](https://discourse.nodered.org/t/rc-controller-via-node-red/64773 "2022-07-06T18:36:09Z")

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Hi! Is it possible to control an RC controller via Node Red? I would love to control a Hobbywing ESC via Node Red. I hope someone can help me. Thanks in advance.

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## [Octoprint Safe Shutdown](https://discourse.nodered.org/t/octoprint-safe-shutdown/64760)

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**Author:** [@TheSirSpence](https://discourse.nodered.org/u/TheSirSpence)\
**Replies:** 9\
**Last updated:** [6 July 2022 15:16 UTC](https://discourse.nodered.org/t/octoprint-safe-shutdown/64760 "2022-07-06T15:16:27Z")

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Hi all, I am trying to create a safe shutdown sequence for my Octoprint running on a seperate Pi3b. I am using Node-Red inside home assistant and I have an entity called "button.octoprint\_shutdown\_system" with a restin…

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## [Enable/disable flows or input at start/end of month](https://discourse.nodered.org/t/enable-disable-flows-or-input-at-start-end-of-month/64759)

<div class="topic-metadata">

**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 3\
**Last updated:** [6 July 2022 13:34 UTC](https://discourse.nodered.org/t/enable-disable-flows-or-input-at-start-end-of-month/64759 "2022-07-06T13:34:07Z")

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Searching for a while but havent found the obvious solution, but I do think there is an easy one. I have a value in a trigger node which I trigger every 20 minutes from january 1, until march 31. Then i have another valu…

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## [How to show array results in html template](https://discourse.nodered.org/t/how-to-show-array-results-in-html-template/64744)

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**Author:** [@PateJS](https://discourse.nodered.org/u/PateJS)\
**Replies:** 2\
**Last updated:** [6 July 2022 12:25 UTC](https://discourse.nodered.org/t/how-to-show-array-results-in-html-template/64744 "2022-07-06T12:25:09Z")

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This is basic html template where is button. how to jump bottom array loop when it is clicked ? then show results back in html template ?. Does it require javascripting or is it possible to achieve with node ? So I want …

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## [Projects option doesn't appear - settings.js file seems to be right](https://discourse.nodered.org/t/projects-option-doesnt-appear-settings-js-file-seems-to-be-right/64757)

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**Author:** [@hughsheehy](https://discourse.nodered.org/u/hughsheehy)\
**Replies:** 1\
**Last updated:** [6 July 2022 08:50 UTC](https://discourse.nodered.org/t/projects-option-doesnt-appear-settings-js-file-seems-to-be-right/64757 "2022-07-06T08:50:24Z")

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Hi I've tried to set up the Projects feature by editing into my settings.js file and restarting Node-red (and rebooting the server) but the Projects popup as mentioned here (Projects : Node-RED) never appears. When I l…

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## [Different TTS messages on each button press, reset after 30min](https://discourse.nodered.org/t/different-tts-messages-on-each-button-press-reset-after-30min/64741)

<div class="topic-metadata">

**Author:** [@TheSirSpence](https://discourse.nodered.org/u/TheSirSpence)\
**Replies:** 2\
**Last updated:** [6 July 2022 08:30 UTC](https://discourse.nodered.org/t/different-tts-messages-on-each-button-press-reset-after-30min/64741 "2022-07-06T08:30:10Z")

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Hi all, sorry to have to post this but I am defeated. I have been scouring the forum and google looking for a solution to what I want to achieve, I guess being new has limited this a little as I don't always know the cor…

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## [Add sidebar tab on app start not working](https://discourse.nodered.org/t/add-sidebar-tab-on-app-start-not-working/64726)

<div class="topic-metadata">

**Author:** [@dannyhuly](https://discourse.nodered.org/u/dannyhuly)\
**Replies:** 3\
**Last updated:** [6 July 2022 08:26 UTC](https://discourse.nodered.org/t/add-sidebar-tab-on-app-start-not-working/64726 "2022-07-06T08:26:26Z")

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Hi all, I'm trying to add a custom tab as the application starts (as shown it this doc RED.sidebar : Node-RED) but the side bar won't load unless I "wait" for the editor to finish loading (so I presume). Currently I ad…

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## [Delay node, with rate limit: how to check if every single message reached "the end" of the flow](https://discourse.nodered.org/t/delay-node-with-rate-limit-how-to-check-if-every-single-message-reached-the-end-of-the-flow/64687)

<div class="topic-metadata">

**Author:** [@hammeronthenet](https://discourse.nodered.org/u/hammeronthenet)\
**Replies:** 14\
**Last updated:** [6 July 2022 06:19 UTC](https://discourse.nodered.org/t/delay-node-with-rate-limit-how-to-check-if-every-single-message-reached-the-end-of-the-flow/64687 "2022-07-06T06:19:06Z")

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Hi all, it's very hard for me to ask this question because I understand that's a really complex scenario. But... let's try. I've got a split & delay with rate limit that sends every 10sec. a message. For each message…

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## [Configuring mapserver locally for worldmap node](https://discourse.nodered.org/t/configuring-mapserver-locally-for-worldmap-node/64720)

<div class="topic-metadata">

**Author:** [@miladmrm](https://discourse.nodered.org/u/miladmrm)\
**Replies:** 4\
**Last updated:** [6 July 2022 04:05 UTC](https://discourse.nodered.org/t/configuring-mapserver-locally-for-worldmap-node/64720 "2022-07-06T04:05:34Z")

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I know this question is not very related to Node-Red, but I want to know if anyone has experience in this topic and was able to do this? According to my scenario, the server not being connected to the internet, I need m…

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## [Uibuilder - Getting array data from Node-Red into a bar chart](https://discourse.nodered.org/t/uibuilder-getting-array-data-from-node-red-into-a-bar-chart/64745)

<div class="topic-metadata">

**Author:** [@dbrann](https://discourse.nodered.org/u/dbrann)\
**Replies:** 4\
**Last updated:** [5 July 2022 23:09 UTC](https://discourse.nodered.org/t/uibuilder-getting-array-data-from-node-red-into-a-bar-chart/64745 "2022-07-05T23:09:26Z")

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First of all, I'm just getting into uibuilder, and I'm not great with html or javascript, but I think I have a question that will be reasonably simple for someone. I'm using the example @ Creating Charts with uibuilder a…

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## [How to convert a number to a string in Node-RED?](https://discourse.nodered.org/t/how-to-convert-a-number-to-a-string-in-node-red/64695)

<div class="topic-metadata">

**Author:** [@Salarj](https://discourse.nodered.org/u/Salarj)\
**Replies:** 5\
**Last updated:** [5 July 2022 21:25 UTC](https://discourse.nodered.org/t/how-to-convert-a-number-to-a-string-in-node-red/64695 "2022-07-05T21:25:12Z")

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Hi dears I want to convert the output of CPU usage from a number to a string. Please help me with the right code for the function block. I am new to Node-RED.

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## [How to show RTSP camera feed on Node-Red Dashboard](https://discourse.nodered.org/t/how-to-show-rtsp-camera-feed-on-node-red-dashboard/64737)

<div class="topic-metadata">

**Author:** [@Wilay](https://discourse.nodered.org/u/Wilay)\
**Replies:** 3\
**Last updated:** [5 July 2022 20:31 UTC](https://discourse.nodered.org/t/how-to-show-rtsp-camera-feed-on-node-red-dashboard/64737 "2022-07-05T20:31:41Z")

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Hello! I'm using the PTZ camera from Minray, and am looking to get the RTSP feed from it and display it on my Node-Red dashboard. I've confirmed that the RTSP address is fine using OBS, but now I'm kinda lost as to how I…

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## [Error installing Node-Red : Schneider Electric](https://discourse.nodered.org/t/error-installing-node-red-schneider-electric/64723)

<div class="topic-metadata">

**Author:** [@BrunoBenini](https://discourse.nodered.org/u/BrunoBenini)\
**Replies:** 4\
**Last updated:** [5 July 2022 20:06 UTC](https://discourse.nodered.org/t/error-installing-node-red-schneider-electric/64723 "2022-07-05T20:06:56Z")

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I'm having an error installing Node-Red, and I'm not able to install it because of this problem, I've tried everything but I can't. Some holy soul could give me a little help. C:\\WINDOWS\\system32\>npm install -g --unsafe…

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## [Node-Red Installation Error](https://discourse.nodered.org/t/node-red-installation-error/64738)

<div class="topic-metadata">

**Author:** [@BrunoBenini](https://discourse.nodered.org/u/BrunoBenini)\
**Replies:** 6\
**Last updated:** [5 July 2022 19:49 UTC](https://discourse.nodered.org/t/node-red-installation-error/64738 "2022-07-05T19:49:08Z")

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I'm trying to install node-red but this error appears every time. What can I do?

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