# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1103

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

**Page:** 1104

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## [Convert relative URL to absolute](https://discourse.nodered.org/t/convert-relative-url-to-absolute/25783)

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**Author:** [@evitiello](https://discourse.nodered.org/u/evitiello)\
**Replies:** 0\
**Last updated:** [30 April 2020 01:08 UTC](https://discourse.nodered.org/t/convert-relative-url-to-absolute/25783 "2020-04-30T01:08:47Z")

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Hi - I'm looking for the cleanest way to convert a relative URL to an absolute URL in a node (I have the relative URL and the base URL) It looks like I can't include node modules (such as url). What's the best way to do…

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## [What is this "line" I am seeing?](https://discourse.nodered.org/t/what-is-this-line-i-am-seeing/25777)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [29 April 2020 23:17 UTC](https://discourse.nodered.org/t/what-is-this-line-i-am-seeing/25777 "2020-04-29T23:17:25Z")

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With the original colour scheme, I thought I saw something and just put it down to I'm seeing things. But now I have the new colour scheme there is definitely a line. This one you can see 3 of these lines. (Inside …

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## [Two events showing in debug tab instead of one](https://discourse.nodered.org/t/two-events-showing-in-debug-tab-instead-of-one/25767)

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**Author:** [@akhaliq7](https://discourse.nodered.org/u/akhaliq7)\
**Replies:** 0\
**Last updated:** [29 April 2020 21:04 UTC](https://discourse.nodered.org/t/two-events-showing-in-debug-tab-instead-of-one/25767 "2020-04-29T21:04:18Z")

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Problem: when i publish events to the ibm cloud watson iot platform then one even shows for each event published but when i view the same event in node red using a ibm iot input node and a debug node the debug tab shows …

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## [Suggested (hobby grade) hardware architecture for process monitoring/mgmt (e.g. lots control i/o)](https://discourse.nodered.org/t/suggested-hobby-grade-hardware-architecture-for-process-monitoring-mgmt-e-g-lots-control-i-o/25372)

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**Author:** [@jcims](https://discourse.nodered.org/u/jcims)\
**Replies:** 20\
**Last updated:** [29 April 2020 20:18 UTC](https://discourse.nodered.org/t/suggested-hobby-grade-hardware-architecture-for-process-monitoring-mgmt-e-g-lots-control-i-o/25372 "2020-04-29T20:18:10Z")

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Hi folks. I'm tinkering with a process that will require a reasonable number of hardware integration points (temp/pressure/current). I've had very encouraging results with using node red on a Raspberry Pi to orchestrat…

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## [Gauge changing values on only one gauge](https://discourse.nodered.org/t/gauge-changing-values-on-only-one-gauge/25711)

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**Author:** [@Beefy\_carrot](https://discourse.nodered.org/u/Beefy_carrot)\
**Replies:** 4\
**Last updated:** [29 April 2020 18:54 UTC](https://discourse.nodered.org/t/gauge-changing-values-on-only-one-gauge/25711 "2020-04-29T18:54:29Z")

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HI! im working with gauges, i got some gauges with different values. some changes based on the input from the user(which works) but when i change min and max values on one gauge. they all change. How can i mitigate this…

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## [Node-red-contrib-mios](https://discourse.nodered.org/t/node-red-contrib-mios/25749)

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**Author:** [@ksmeltz](https://discourse.nodered.org/u/ksmeltz)\
**Replies:** 1\
**Last updated:** [29 April 2020 17:01 UTC](https://discourse.nodered.org/t/node-red-contrib-mios/25749 "2020-04-29T17:01:34Z")

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I am running Node-RED on a Raspberry Pi 4 with openhabian 2.5.3-1. I am using the node 'node-red-contrib-mios', which seems to do exactly what I need. I have a problem however, when I reboot. The node seems to output …

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## [How to move dashboard elements](https://discourse.nodered.org/t/how-to-move-dashboard-elements/25755)

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**Author:** [@jfpedno](https://discourse.nodered.org/u/jfpedno)\
**Replies:** 2\
**Last updated:** [29 April 2020 16:51 UTC](https://discourse.nodered.org/t/how-to-move-dashboard-elements/25755 "2020-04-29T16:51:11Z")

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I cannot find a way to move the element in the dashboard. They are placed in the order I have created them but I want it in a other pacing. I saw on the forum "in the editor you can move them where you want" but don't …

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## [Ds18b20 raspberry pi](https://discourse.nodered.org/t/ds18b20-raspberry-pi/25689)

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**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 13\
**Last updated:** [29 April 2020 16:29 UTC](https://discourse.nodered.org/t/ds18b20-raspberry-pi/25689 "2020-04-29T16:29:26Z")

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I am using ds18b20 with the raspberry pi and I am using "node-red-contrib-sensor-ds18b20" node with inject and debug node and it shows the payload as mentioned in below picture. while I need temperature. Any suggestio…

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## [Fine tune a "function" node](https://discourse.nodered.org/t/fine-tune-a-function-node/369)

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**Author:** [@fritserasmus](https://discourse.nodered.org/u/fritserasmus)\
**Replies:** 16\
**Last updated:** [29 April 2020 16:04 UTC](https://discourse.nodered.org/t/fine-tune-a-function-node/369 "2020-04-29T16:04:31Z")

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I am trying to create an INSERT SQL script when reading are sent to the MQTT server. I am 99% done just sit with two " both sides of the message that I am unable to get rid of. This is a shortened version of my code bu…

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## [Prerequisites for Node Red project on Windows environment?](https://discourse.nodered.org/t/prerequisites-for-node-red-project-on-windows-environment/25736)

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**Author:** [@CraigM](https://discourse.nodered.org/u/CraigM)\
**Replies:** 3\
**Last updated:** [29 April 2020 15:25 UTC](https://discourse.nodered.org/t/prerequisites-for-node-red-project-on-windows-environment/25736 "2020-04-29T15:25:34Z")

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I am a complete newbee to Node Red and a novice programmer. I've installed it on my Windows 10 PC and slowly going through the Youtube tutorials....are there any better ones out there? Anyway, I'm learning NodeRed beca…

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## [Cloudflare Dynamic DNS setup](https://discourse.nodered.org/t/cloudflare-dynamic-dns-setup/25750)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 0\
**Last updated:** [29 April 2020 15:03 UTC](https://discourse.nodered.org/t/cloudflare-dynamic-dns-setup/25750 "2020-04-29T15:03:37Z")

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Has anyone written a little flow to automatically update a domain DNS on cloudflare when their ISP provided IP address changes? I couldn't find anything in the flows library.

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## [Date Picker adding odd time](https://discourse.nodered.org/t/date-picker-adding-odd-time/15504)

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**Author:** [@davebanthorpe](https://discourse.nodered.org/u/davebanthorpe)\
**Replies:** 13\
**Last updated:** [29 April 2020 14:13 UTC](https://discourse.nodered.org/t/date-picker-adding-odd-time/15504 "2020-04-29T14:13:54Z")

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HI - I've added a date picker node to my dashboard. When I look at the output and convert that unix timestamp to a real date time (e.g. on unixtimestamp.com), it always seems to set the time to 9:10am (UTC). I was assumi…

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## [Gmail and node-red-node-email](https://discourse.nodered.org/t/gmail-and-node-red-node-email/25691)

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**Author:** [@hammeronthenet](https://discourse.nodered.org/u/hammeronthenet)\
**Replies:** 8\
**Last updated:** [29 April 2020 14:04 UTC](https://discourse.nodered.org/t/gmail-and-node-red-node-email/25691 "2020-04-29T14:04:06Z")

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Hi guys, I'm wondering to send an email through via gmail (gsuite) I tried various approach, and now I've got double authentication factor and an application password. Nothing. I tried from admin console to enable sm…

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## [More questions on the \`template\` node and background pictures](https://discourse.nodered.org/t/more-questions-on-the-template-node-and-background-pictures/25717)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [29 April 2020 13:46 UTC](https://discourse.nodered.org/t/more-questions-on-the-template-node-and-background-pictures/25717 "2020-04-29T13:46:24Z")

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Ok, I am again confused with the terms with Node-Red. There is a Dashboard. On said Dashboard, there are Groups. OK. I can get that. If I want to add a background picture to my dashboard, I use a template node and …

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## [Password per tab / flow ? possible?](https://discourse.nodered.org/t/password-per-tab-flow-possible/25724)

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**Author:** [@menno](https://discourse.nodered.org/u/menno)\
**Replies:** 2\
**Last updated:** [29 April 2020 13:29 UTC](https://discourse.nodered.org/t/password-per-tab-flow-possible/25724 "2020-04-29T13:29:05Z")

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hi there i have multiple tabs in my node-red confuguration. is it possible to set a password on a specific tab ? example : tab 1 is open , tab 2 is password protected , tab 3 is open i ask this question because i wan…

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## [The buttons in/on the edit screen](https://discourse.nodered.org/t/the-buttons-in-on-the-edit-screen/25671)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 32\
**Last updated:** [29 April 2020 13:12 UTC](https://discourse.nodered.org/t/the-buttons-in-on-the-edit-screen/25671 "2020-04-29T13:12:31Z")

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(Sorry, this is the best fit group I can see) I know it has been raised before, but as it is I keep getting caught with the buttons. For example this: Two sets of buttons which keep catching me. Another example: …

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## [Nora, how to use Google Thermostat node?](https://discourse.nodered.org/t/nora-how-to-use-google-thermostat-node/25739)

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**Author:** [@SteveJohnSteele](https://discourse.nodered.org/u/SteveJohnSteele)\
**Replies:** 0\
**Last updated:** [29 April 2020 12:18 UTC](https://discourse.nodered.org/t/nora-how-to-use-google-thermostat-node/25739 "2020-04-29T12:18:27Z")

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Hello Andrei I have some question, I hope you can answer. In Google Home app under Thermostat (any mode) "Indoor 25" always appears. I have tried sending { "temperature:" 35 } and others but it has no affect. How do …

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## [How to cycle several inputs to one output?](https://discourse.nodered.org/t/how-to-cycle-several-inputs-to-one-output/25702)

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**Author:** [@krizniq](https://discourse.nodered.org/u/krizniq)\
**Replies:** 2\
**Last updated:** [29 April 2020 11:29 UTC](https://discourse.nodered.org/t/how-to-cycle-several-inputs-to-one-output/25702 "2020-04-29T11:29:57Z")

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Hello, I need bit help here :slight\_smile: I have three inputs (temperature, water temperature and humidity) and want them display on oled display in cycle like 10second each and then redraw display with another input …

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## [Struggling with CSV and multiple inputs](https://discourse.nodered.org/t/struggling-with-csv-and-multiple-inputs/25729)

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**Author:** [@WImpie](https://discourse.nodered.org/u/WImpie)\
**Replies:** 6\
**Last updated:** [29 April 2020 11:09 UTC](https://discourse.nodered.org/t/struggling-with-csv-and-multiple-inputs/25729 "2020-04-29T11:09:08Z")

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\[{"id":"e038814.cdfb78","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"42910d99.52e794","type":"delay","z":"e038814.cdfb78","name":"","pauseType":"queue","timeout":"5","timeoutUnits":"seconds","rate":"1…

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## [MQTT message not seeming to work](https://discourse.nodered.org/t/mqtt-message-not-seeming-to-work/25705)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [29 April 2020 10:50 UTC](https://discourse.nodered.org/t/mqtt-message-not-seeming-to-work/25705 "2020-04-29T10:50:08Z")

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I have a couple of Tasmota devices connected. Looking, the LWT message is retained. So I would think that when the machine is powered up the message is received and should be affected. Sorry it is a bit messed up in l…

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## [Homedig2 - "The home Digital Twin" project: six principles for design](https://discourse.nodered.org/t/homedig2-the-home-digital-twin-project-six-principles-for-design/25699)

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**Author:** [@IoTPlay](https://discourse.nodered.org/u/IoTPlay)\
**Replies:** 4\
**Last updated:** [29 April 2020 08:35 UTC](https://discourse.nodered.org/t/homedig2-the-home-digital-twin-project-six-principles-for-design/25699 "2020-04-29T08:35:20Z")

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1st I want to thank all that helped me on my journey at playing with stuff I did not know about prior to 2016. With the community's help, I have had many incarnations of home automation systems on Node-RED, none as elab…

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## [Using a node inside a custom node](https://discourse.nodered.org/t/using-a-node-inside-a-custom-node/25727)

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**Author:** [@aperez](https://discourse.nodered.org/u/aperez)\
**Replies:** 2\
**Last updated:** [29 April 2020 09:50 UTC](https://discourse.nodered.org/t/using-a-node-inside-a-custom-node/25727 "2020-04-29T09:50:50Z")

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I would like to create custom node that works with a specific framework. That framework needs to be iconfigured/consumed using REST. No to "reinvent the wheel", Is there any way to use www.request node from inside the cu…

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## [Which IDE and/or tools are you using for creating / maintaining Node-RED nodes?](https://discourse.nodered.org/t/which-ide-and-or-tools-are-you-using-for-creating-maintaining-node-red-nodes/9444)

<div class="topic-metadata">

**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 12\
**Last updated:** [9 October 2019 16:09 UTC](https://discourse.nodered.org/t/which-ide-and-or-tools-are-you-using-for-creating-maintaining-node-red-nodes/9444 "2019-10-09T16:09:07Z")

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Hi, For the people maintaining and creating Node-RED nodes: which IDE (Integrated development environment) and/or tools are you using for doing this ? It would love to hear more about this. Jan.

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## [Digest authentication support in HttpRequest node](https://discourse.nodered.org/t/digest-authentication-support-in-httprequest-node/4131)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 22\
**Last updated:** [29 April 2020 07:16 UTC](https://discourse.nodered.org/t/digest-authentication-support-in-httprequest-node/4131 "2020-04-29T07:16:02Z")

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Hi folks, I got a question last week from a poor bastard who had bought a box full of chinese IP camera's. He could access the IP camera's from within the browser without problems. However from within a Node-RED flow …

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## [JSONata absurdities](https://discourse.nodered.org/t/jsonata-absurdities/25220)

<div class="topic-metadata">

**Author:** [@T0T4R4](https://discourse.nodered.org/u/T0T4R4)\
**Replies:** 5\
**Last updated:** [29 April 2020 05:19 UTC](https://discourse.nodered.org/t/jsonata-absurdities/25220 "2020-04-29T05:19:37Z")

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Hi guys, Could someone explain me the following JSONAta absurdity ? Thanks heaps

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## [Axios API Request](https://discourse.nodered.org/t/axios-api-request/25714)

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**Author:** [@scott](https://discourse.nodered.org/u/scott)\
**Replies:** 1\
**Last updated:** [29 April 2020 04:48 UTC](https://discourse.nodered.org/t/axios-api-request/25714 "2020-04-29T04:48:11Z")

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I am new to creating custom nodes and I am attempting to use axios with the node. The API get request is working fine from a JS file but with a Node-Red flow I receive a "Node not deployed" message. May be something ve…

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## [Can't locate Setting file](https://discourse.nodered.org/t/cant-locate-setting-file/25688)

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**Author:** [@1bit](https://discourse.nodered.org/u/1bit)\
**Replies:** 7\
**Last updated:** [29 April 2020 04:40 UTC](https://discourse.nodered.org/t/cant-locate-setting-file/25688 "2020-04-29T04:40:30Z")

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Hello, I'm using Armbian on Orange Pi Zero and have Node-red running as a server for a healthy 6 months. To cut a long story short, I had to reinstall everything only to encouter the following at startup problem: root@…

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## [Split TypeError: Cannot convert undefined or null to object](https://discourse.nodered.org/t/split-typeerror-cannot-convert-undefined-or-null-to-object/25712)

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**Author:** [@T0T4R4](https://discourse.nodered.org/u/T0T4R4)\
**Replies:** 3\
**Last updated:** [29 April 2020 04:32 UTC](https://discourse.nodered.org/t/split-typeerror-cannot-convert-undefined-or-null-to-object/25712 "2020-04-29T04:32:20Z")

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Hi all, How can I debug that kind of error which occurs visibly within a Split node ? split TypeError: Cannot convert undefined or null to object Thanks in advance Tot

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## [User Change Configuration Node (FTP) and redeploy via dashboard](https://discourse.nodered.org/t/user-change-configuration-node-ftp-and-redeploy-via-dashboard/25710)

<div class="topic-metadata">

**Author:** [@rayz](https://discourse.nodered.org/u/rayz)\
**Replies:** 0\
**Last updated:** [29 April 2020 00:01 UTC](https://discourse.nodered.org/t/user-change-configuration-node-ftp-and-redeploy-via-dashboard/25710 "2020-04-29T00:01:06Z")

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I'm hoping there is way to create a ui for the end user to change the credentials of the ftp server configuration node and then re-deploy the flow with that changed user/password?

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## [Suggestions of how to use \`LINK\` nodes](https://discourse.nodered.org/t/suggestions-of-how-to-use-link-nodes/25707)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [28 April 2020 23:45 UTC](https://discourse.nodered.org/t/suggestions-of-how-to-use-link-nodes/25707 "2020-04-28T23:45:06Z")

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link nodes were a strange thing to me for a long time. But once you start multiple tabs, they are invaluable. But they can be confusing too. They are just a 1 x 1 grey box on the flow. A few things I have applied to…

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