# Latest

**URL:** https://discourse.nodered.org/latest.md?page=941

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

**Page:** 942

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## [Can´t install new palette](https://discourse.nodered.org/t/can-t-install-new-palette/36862)

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**Author:** [@mosi-m](https://discourse.nodered.org/u/mosi-m)\
**Replies:** 4\
**Last updated:** [2 December 2020 15:18 UTC](https://discourse.nodered.org/t/can-t-install-new-palette/36862 "2020-12-02T15:18:20Z")

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Hello everybody, I have problems to install new palettes. A few days ago, everything was fine and I was able to install new palettes. I setup Node Red in a docker image. (It´s the first time I´m using docker and I have…

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## [Reading from an Array into a chart](https://discourse.nodered.org/t/reading-from-an-array-into-a-chart/36874)

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**Author:** [@Silver](https://discourse.nodered.org/u/Silver)\
**Replies:** 4\
**Last updated:** [2 December 2020 14:21 UTC](https://discourse.nodered.org/t/reading-from-an-array-into-a-chart/36874 "2020-12-02T14:21:26Z")

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Hi there, I am experiencing issues trying to write my data from this array into a chart, I have looked at similar issues but I can not seem to come to a solution. I am not strong at all in Javascript. Here is a scre…

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## [How to save "running jobs"](https://discourse.nodered.org/t/how-to-save-running-jobs/36869)

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**Author:** [@flow3000](https://discourse.nodered.org/u/flow3000)\
**Replies:** 4\
**Last updated:** [2 December 2020 14:08 UTC](https://discourse.nodered.org/t/how-to-save-running-jobs/36869 "2020-12-02T14:08:58Z")

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Hi, I currently working on a http API. The API sends emails after some given time (immedialety, after 3 days, after 14 days, etc....). Question 1: From your experience, how many "delayed jobs" can Node Red handle be…

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## [UI\_GAUGE node, dynamic range?](https://discourse.nodered.org/t/ui-gauge-node-dynamic-range/36756)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 8\
**Last updated:** [1 December 2020 17:35 UTC](https://discourse.nodered.org/t/ui-gauge-node-dynamic-range/36756 "2020-12-01T17:35:56Z")

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Hello, concerning the UI\_GAUGE node , would it be possible to make both min and max values dynamic with an annexed parameterization page where I could define these default values. Example, a 12V battery or a 24V batte…

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## [Failover flow location](https://discourse.nodered.org/t/failover-flow-location/36867)

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**Author:** [@krzydec](https://discourse.nodered.org/u/krzydec)\
**Replies:** 5\
**Last updated:** [2 December 2020 13:07 UTC](https://discourse.nodered.org/t/failover-flow-location/36867 "2020-12-02T13:07:26Z")

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Hello Is it possible to have an alternative/failover flow specified in the setting.js file? In my use case, I'm loading a flow file from the network drive, and due to the issues with the network that is out of my contr…

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## [Array of Objects/Arrays](https://discourse.nodered.org/t/array-of-objects-arrays/36864)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 2\
**Last updated:** [2 December 2020 13:00 UTC](https://discourse.nodered.org/t/array-of-objects-arrays/36864 "2020-12-02T13:00:27Z")

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Hello, i would like to use an array of objects but i can only create that array manually. I dont know how to create a bigger one :frowning: My Code: var test let arrayOfObjects = \[{},{}\] arrayOfObjects\[1\]\['d'\] = 777…

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## [Lot of RAM used](https://discourse.nodered.org/t/lot-of-ram-used/36839)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 4\
**Last updated:** [2 December 2020 11:29 UTC](https://discourse.nodered.org/t/lot-of-ram-used/36839 "2020-12-02T11:29:24Z")

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Hi, I'm using the same flow I was using with version 1.06, that time the process used stable about 0,18/0,20 GB of my Raspbian3 RAM even after months. But after upgrade the system to: 6.14.8 v10.23.0 Node-RED v1.2.2 …

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## [Time subtraction in a function node](https://discourse.nodered.org/t/time-subtraction-in-a-function-node/36774)

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**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 5\
**Last updated:** [2 December 2020 10:04 UTC](https://discourse.nodered.org/t/time-subtraction-in-a-function-node/36774 "2020-12-02T10:04:36Z")

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Hi All, I'm not a programmer by any means. I'm trying to figure out how to measure the seconds/milliseconds between two different node events which should end up around 20.xxx seconds. I'm experimenting with a simpletim…

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## [MQTT Camera for Node-RED](https://discourse.nodered.org/t/mqtt-camera-for-node-red/20441)

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**Author:** [@mpxd](https://discourse.nodered.org/u/mpxd)\
**Replies:** 17\
**Last updated:** [2 December 2020 10:01 UTC](https://discourse.nodered.org/t/mqtt-camera-for-node-red/20441 "2020-12-02T10:01:59Z")

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This is how you add an INSTAR Full HD MQTT camera to Node-RED. MQTT Broker You start by configuring the MQTT broker inside the cameras webUI under Network/MQTT. Here you can set: MQTT Server Address: Leave at 127.0.0…

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## [Countdown values Issue](https://discourse.nodered.org/t/countdown-values-issue/36799)

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**Author:** [@sanket](https://discourse.nodered.org/u/sanket)\
**Replies:** 4\
**Last updated:** [2 December 2020 09:30 UTC](https://discourse.nodered.org/t/countdown-values-issue/36799 "2020-12-02T09:30:58Z")

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I want to pass countdown values to change the on/ off duration of motor using raspberry pi

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## [Help with basic heating control](https://discourse.nodered.org/t/help-with-basic-heating-control/36853)

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**Author:** [@ceysa75](https://discourse.nodered.org/u/ceysa75)\
**Replies:** 0\
**Last updated:** [2 December 2020 09:30 UTC](https://discourse.nodered.org/t/help-with-basic-heating-control/36853 "2020-12-02T09:30:36Z")

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Dear All, my first post here since I am quite new in the impressive world of automation based on Node Red. I am now experiencing my first issues and I hope some of you guys can show me the right way. Please have a look …

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## [Node-Red API Swagger exrnal Access (HTML)](https://discourse.nodered.org/t/node-red-api-swagger-exrnal-access-html/36747)

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**Author:** [@esalles](https://discourse.nodered.org/u/esalles)\
**Replies:** 1\
**Last updated:** [2 December 2020 08:37 UTC](https://discourse.nodered.org/t/node-red-api-swagger-exrnal-access-html/36747 "2020-12-02T08:37:51Z")

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Hi Guys, I tried node-red-node-swagger module so I can generate API swagger available from Node-red admin editor right panel, but no way to get access throught HTML UI (without need of Ned-Red admin credentials). When …

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## [Slow GUI -- Browser](https://discourse.nodered.org/t/slow-gui-browser/34328)

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**Author:** [@stephenn](https://discourse.nodered.org/u/stephenn)\
**Replies:** 47\
**Last updated:** [2 December 2020 08:16 UTC](https://discourse.nodered.org/t/slow-gui-browser/34328 "2020-12-02T08:16:01Z")

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In the last 4-6 weeks, the GUI has been extremely slow. I think it happened around the time of the update that added grouping. However, that could definitely just be a coincidence. If I delete a couple of nodes, it ta…

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## [Dashboard MCZ Stove wood - Rpi - websocket](https://discourse.nodered.org/t/dashboard-mcz-stove-wood-rpi-websocket/36847)

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**Author:** [@Naguelfar](https://discourse.nodered.org/u/Naguelfar)\
**Replies:** 0\
**Last updated:** [2 December 2020 07:05 UTC](https://discourse.nodered.org/t/dashboard-mcz-stove-wood-rpi-websocket/36847 "2020-12-02T07:05:34Z")

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Hello, here is my first realization with node-red. Retrieving information from my wood stove via websockets and creating a dashboard to display the information and in particular to have the history of temperatures and …

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## [Need help with the error part please! Cannot display error](https://discourse.nodered.org/t/need-help-with-the-error-part-please-cannot-display-error/36830)

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**Author:** [@SKA](https://discourse.nodered.org/u/SKA)\
**Replies:** 5\
**Last updated:** [1 December 2020 23:45 UTC](https://discourse.nodered.org/t/need-help-with-the-error-part-please-cannot-display-error/36830 "2020-12-01T23:45:34Z")

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I am trying to display an error if the value is less than or equal to zero, but it for some reasons isn't working. I have tried searching, but no luck. I know it is probably something very small that needs to be fixed th…

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## [Update one object in Global Context array](https://discourse.nodered.org/t/update-one-object-in-global-context-array/36790)

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**Author:** [@cllp](https://discourse.nodered.org/u/cllp)\
**Replies:** 9\
**Last updated:** [1 December 2020 21:00 UTC](https://discourse.nodered.org/t/update-one-object-in-global-context-array/36790 "2020-12-01T21:00:23Z")

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Hi, I´m worikng with the global context to stora an array of devices. For a device´s incoming message I use the global.get and filter on the whole devicelist array to find the specific object (device). I´m updating some …

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## [Optimisation tactics - JSONata and State Machines](https://discourse.nodered.org/t/optimisation-tactics-jsonata-and-state-machines/9608)

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**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 25\
**Last updated:** [1 December 2020 20:48 UTC](https://discourse.nodered.org/t/optimisation-tactics-jsonata-and-state-machines/9608 "2020-12-01T20:48:44Z")

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Having been hooked on NR for about a year, and steadily evolving a massive spaghetti of many flows with somewhat diverse bouquet of common solutions, and getting to a point where it feels like some unnecessary weight, I …

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## [Node-Red to Slack attachments](https://discourse.nodered.org/t/node-red-to-slack-attachments/36829)

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**Author:** [@loki79](https://discourse.nodered.org/u/loki79)\
**Replies:** 0\
**Last updated:** [1 December 2020 20:05 UTC](https://discourse.nodered.org/t/node-red-to-slack-attachments/36829 "2020-12-01T20:05:32Z")

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Hi Guys, I'm new here and working with node-red for half a year or so. I like it very much and still learning alot. But I have a problem. I'm sending my notifications and images via Pushbullet and that worked like it sh…

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## [Stop timer display remaining time?](https://discourse.nodered.org/t/stop-timer-display-remaining-time/36808)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 4\
**Last updated:** [1 December 2020 19:51 UTC](https://discourse.nodered.org/t/stop-timer-display-remaining-time/36808 "2020-12-01T19:51:02Z")

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Hi all, Can anyone recommend a alternative for the Stop timer node that will show the remaining time under the node (Not bothered about dashboard). Thanks, P

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## [Node-RED expects JSON?](https://discourse.nodered.org/t/node-red-expects-json/36824)

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**Author:** [@DripHarrison](https://discourse.nodered.org/u/DripHarrison)\
**Replies:** 1\
**Last updated:** [1 December 2020 19:50 UTC](https://discourse.nodered.org/t/node-red-expects-json/36824 "2020-12-01T19:50:45Z")

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I am working on a project that uses an Arduino connected to LabVIEW, and Node-RED. It is a smart home system, with multiple user-defined inputs and outputs. The Node-RED dashboard is able to receive all of the inputs tha…

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## [Homeseer Random Colour Bulb Change](https://discourse.nodered.org/t/homeseer-random-colour-bulb-change/36821)

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**Author:** [@geekydaddy](https://discourse.nodered.org/u/geekydaddy)\
**Replies:** 0\
**Last updated:** [1 December 2020 18:27 UTC](https://discourse.nodered.org/t/homeseer-random-colour-bulb-change/36821 "2020-12-01T18:27:40Z")

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Hi everybody, this is my first attempt at a node-red flow. The purpose of this was to get my Aeon z-wave light bulb to change colour randomly at random interval. This light bulb is part of my Christmas decoration outside…

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## [\[Announcement\] - Dashboard 2.24.1, 2](https://discourse.nodered.org/t/announcement-dashboard-2-24-1-2/36549)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 8\
**Last updated:** [1 December 2020 17:34 UTC](https://discourse.nodered.org/t/announcement-dashboard-2-24-1-2/36549 "2020-12-01T17:34:43Z")

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Some hopefully useful fixes for Dashboard 2.24.1: Maintenance Release Fixes Fix dropdown single pick search. Changes to help optimise chart updates and reloads. Fix ui\_text so null msg doesn't blank text on enable and…

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## [Eurotronic Zigbee Spirit Thermostat in HomeKit](https://discourse.nodered.org/t/eurotronic-zigbee-spirit-thermostat-in-homekit/36783)

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**Author:** [@broken.pipe](https://discourse.nodered.org/u/broken.pipe)\
**Replies:** 3\
**Last updated:** [1 December 2020 17:21 UTC](https://discourse.nodered.org/t/eurotronic-zigbee-spirit-thermostat-in-homekit/36783 "2020-12-01T17:21:22Z")

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Hello everyone, I am trying to model my thermostat in Homekit (the connection is working and I can control my thermostat (over deConz Addon and REST API)). I've already had a look at the "Clever Thermostat" demo, but I…

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## ['Const' is available.... Mozilla JS extensions (use moz) Error](https://discourse.nodered.org/t/const-is-available-mozilla-js-extensions-use-moz-error/36805)

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**Author:** [@stephenn](https://discourse.nodered.org/u/stephenn)\
**Replies:** 4\
**Last updated:** [1 December 2020 16:08 UTC](https://discourse.nodered.org/t/const-is-available-mozilla-js-extensions-use-moz-error/36805 "2020-12-01T16:08:14Z")

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I am using someone else's flow to download backups from my Hubitat Hub that then uploads to Dropbox. I just noticed it hasn't been working for 2 weeks and I have this error that is causing problem I believe. I tried …

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## [Pre populating a form/Can a form pop up](https://discourse.nodered.org/t/pre-populating-a-form-can-a-form-pop-up/36796)

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**Author:** [@Wingnut](https://discourse.nodered.org/u/Wingnut)\
**Replies:** 2\
**Last updated:** [1 December 2020 15:55 UTC](https://discourse.nodered.org/t/pre-populating-a-form-can-a-form-pop-up/36796 "2020-12-01T15:55:51Z")

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Hi I'm a complete novice and looking at the forum is not solving my problem. I have a dashboard displaying info it gets from my electricity monitor via UDP messages. One set of data is the tariff for the electricity (da…

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## [Node-red-contrib-drawsvg](https://discourse.nodered.org/t/node-red-contrib-drawsvg/36804)

<div class="topic-metadata">

**Author:** [@jayaprabhu](https://discourse.nodered.org/u/jayaprabhu)\
**Replies:** 1\
**Last updated:** [1 December 2020 14:19 UTC](https://discourse.nodered.org/t/node-red-contrib-drawsvg/36804 "2020-12-01T14:19:23Z")

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Hello, We are looking for some open source SVG editors for our commercial deployment. We are in the process of exploring. Looks like the node red is Apache-2.0 License. But the library used by node-red for SVG editor is…

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## [Searching Node for robot](https://discourse.nodered.org/t/searching-node-for-robot/36795)

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**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 0\
**Last updated:** [1 December 2020 11:13 UTC](https://discourse.nodered.org/t/searching-node-for-robot/36795 "2020-12-01T11:13:07Z")

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Is there any node for Robots like Kuka, Mitsubishi, and Universal robots?

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## [SQL date to chart](https://discourse.nodered.org/t/sql-date-to-chart/36787)

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**Author:** [@MA.ING](https://discourse.nodered.org/u/MA.ING)\
**Replies:** 4\
**Last updated:** [1 December 2020 10:51 UTC](https://discourse.nodered.org/t/sql-date-to-chart/36787 "2020-12-01T10:51:36Z")

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Hi, im trying to get a chart with 7 lines comming from 7 variables from SQL, if i get only 1 variable all is fine in the chart, but if i want 2 or more variables/lines in my chart its imposible to get, someone knows how …

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## [Force node-red server to reload deployed files without restaring from command line](https://discourse.nodered.org/t/force-node-red-server-to-reload-deployed-files-without-restaring-from-command-line/36770)

<div class="topic-metadata">

**Author:** [@hamboy75](https://discourse.nodered.org/u/hamboy75)\
**Replies:** 7\
**Last updated:** [1 December 2020 09:22 UTC](https://discourse.nodered.org/t/force-node-red-server-to-reload-deployed-files-without-restaring-from-command-line/36770 "2020-12-01T09:22:26Z")

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Hi I'm not using node-red web editor to create my files but i want to use node-red server to run them. (webserver is fully disabled) Is it possible to relad the deployed files in .node-red directory (flow json file) wi…

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## [Caution installing nodes that may replace your flows file](https://discourse.nodered.org/t/caution-installing-nodes-that-may-replace-your-flows-file/36775)

<div class="topic-metadata">

**Author:** [@nileio](https://discourse.nodered.org/u/nileio)\
**Replies:** 8\
**Last updated:** [1 December 2020 00:08 UTC](https://discourse.nodered.org/t/caution-installing-nodes-that-may-replace-your-flows-file/36775 "2020-12-01T00:08:06Z")

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I learned it the hard way guys, so I am letting everyone know. I was experimenting with a flow idea and while browsing for additional nodes I came across https://github.com/Streampunk/node-red-contrib-dynamorse-core loo…

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