# Latest

**URL:** https://discourse.nodered.org/latest.md?page=983

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

**Page:** 984

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## [Control color boundaries from msg](https://discourse.nodered.org/t/control-color-boundaries-from-msg/33927)

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**Author:** [@manjha](https://discourse.nodered.org/u/manjha)\
**Replies:** 1\
**Last updated:** [8 October 2020 09:20 UTC](https://discourse.nodered.org/t/control-color-boundaries-from-msg/33927 "2020-10-08T09:20:29Z")

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I m using several gauges on my dashboard, with different colors for the ranges. I would like to set the boundaries from an msg value, but somehow cannot get this to work. I tried setting msg.low in a function just befo…

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## [Need Advice For Reset Button Chart And Speed Chart](https://discourse.nodered.org/t/need-advice-for-reset-button-chart-and-speed-chart/33912)

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**Author:** [@mrizkywiguna](https://discourse.nodered.org/u/mrizkywiguna)\
**Replies:** 4\
**Last updated:** [8 October 2020 09:08 UTC](https://discourse.nodered.org/t/need-advice-for-reset-button-chart-and-speed-chart/33912 "2020-10-08T09:08:19Z")

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Hallo All, I've create an dynagraph chart. But sometimes when I need to reset the chart, it's not working. Maybe someone can give me advises for this problem. Another question is, how to adjust the chart in to maximum …

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## [How to remove empty value in array using change node](https://discourse.nodered.org/t/how-to-remove-empty-value-in-array-using-change-node/33911)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 6\
**Last updated:** [8 October 2020 08:08 UTC](https://discourse.nodered.org/t/how-to-remove-empty-value-in-array-using-change-node/33911 "2020-10-08T08:08:04Z")

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I have a text file that contains an empty line like this: a b c d e f When reading the file I want the resulting array to get rid of the empty values using the $filter of the change node. https://docs.jsonata.or…

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## [HTTP request - getting data from inverter](https://discourse.nodered.org/t/http-request-getting-data-from-inverter/33926)

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**Author:** [@Mckenzi](https://discourse.nodered.org/u/Mckenzi)\
**Replies:** 0\
**Last updated:** [8 October 2020 08:05 UTC](https://discourse.nodered.org/t/http-request-getting-data-from-inverter/33926 "2020-10-08T08:05:35Z")

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I'm trying to get informations from inverter connected to my local network. It has static IP and after login through web browser i can read basic informations. Using F12 in chrome i can see that data is returnet in…

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## [How to increase material icon size for switch](https://discourse.nodered.org/t/how-to-increase-material-icon-size-for-switch/33724)

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**Author:** [@tech](https://discourse.nodered.org/u/tech)\
**Replies:** 8\
**Last updated:** [8 October 2020 06:47 UTC](https://discourse.nodered.org/t/how-to-increase-material-icon-size-for-switch/33724 "2020-10-08T06:47:32Z")

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## [Email Node - Login fails on some servers](https://discourse.nodered.org/t/email-node-login-fails-on-some-servers/33923)

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**Author:** [@efratha94](https://discourse.nodered.org/u/efratha94)\
**Replies:** 0\
**Last updated:** [8 October 2020 06:35 UTC](https://discourse.nodered.org/t/email-node-login-fails-on-some-servers/33923 "2020-10-08T06:35:00Z")

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Hi, I have two servers on which I run Node Red (with docker), and I'm trying to send an email from each to the same recipients, with the same account and credentails. On one of the servers I have two Node Red container…

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## [Can NR be set to trigger on changes in global scope context values?](https://discourse.nodered.org/t/can-nr-be-set-to-trigger-on-changes-in-global-scope-context-values/33826)

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**Author:** [@Boja](https://discourse.nodered.org/u/Boja)\
**Replies:** 6\
**Last updated:** [8 October 2020 04:51 UTC](https://discourse.nodered.org/t/can-nr-be-set-to-trigger-on-changes-in-global-scope-context-values/33826 "2020-10-08T04:51:31Z")

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A State Node triggers when state changes on the referenced Entity. Can a state change on a Global context variable, be set to trigger something in a similar way ? Hassio running on a Raspberry Pi. /Boja

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## [Node-red-node-ui-table on IBM Cloud](https://discourse.nodered.org/t/node-red-node-ui-table-on-ibm-cloud/33914)

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**Author:** [@Kushal](https://discourse.nodered.org/u/Kushal)\
**Replies:** 0\
**Last updated:** [8 October 2020 03:58 UTC](https://discourse.nodered.org/t/node-red-node-ui-table-on-ibm-cloud/33914 "2020-10-08T03:58:19Z")

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The ui\_table node from node-red-node-ui-table works fine on my local server but it doesn't work on IBM Cloud iot platform. What might be the problem? I am using the free version of Watson iot with bluemix service runni…

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## [Getting started with uibuilder and React?](https://discourse.nodered.org/t/getting-started-with-uibuilder-and-react/16154)

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**Author:** [@Stylo](https://discourse.nodered.org/u/Stylo)\
**Replies:** 26\
**Last updated:** [8 October 2020 03:50 UTC](https://discourse.nodered.org/t/getting-started-with-uibuilder-and-react/16154 "2020-10-08T03:50:06Z")

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Hi, I'm planning to build my own interface in uibuilder using React, however I'm having trouble finding any documentation or guides to do this. Does anyone know where to start with marrying React and uibuilder? I haven…

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## [Populating a popup form Template node](https://discourse.nodered.org/t/populating-a-popup-form-template-node/33772)

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**Author:** [@Paulf007](https://discourse.nodered.org/u/Paulf007)\
**Replies:** 7\
**Last updated:** [8 October 2020 03:08 UTC](https://discourse.nodered.org/t/populating-a-popup-form-template-node/33772 "2020-10-08T03:08:57Z")

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I have a interactive page where I have a popup that display a form that then can be submitted. All of that seems to be working well but I would also like to prepopulate the field with the selected data. The data comes …

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## [Block a node if in away mode?](https://discourse.nodered.org/t/block-a-node-if-in-away-mode/33857)

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**Author:** [@rnormore](https://discourse.nodered.org/u/rnormore)\
**Replies:** 3\
**Last updated:** [8 October 2020 03:02 UTC](https://discourse.nodered.org/t/block-a-node-if-in-away-mode/33857 "2020-10-08T03:02:13Z")

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I have the following flow but I am unsure as to how to go about blocking the disarm morning and armed night trigger when the house is in armed away mode. The disarm and arm nightly is on a timed trigger. any help would b…

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## [How to get the device name "hostname"](https://discourse.nodered.org/t/how-to-get-the-device-name-hostname/33907)

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**Author:** [@fabiobrent](https://discourse.nodered.org/u/fabiobrent)\
**Replies:** 3\
**Last updated:** [8 October 2020 01:39 UTC](https://discourse.nodered.org/t/how-to-get-the-device-name-hostname/33907 "2020-10-08T01:39:21Z")

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Hello I need to get the name of my device "hostname" (is a raspberry) where is loaded Node-red. So I need to create a payload with the name of the device (set by Pi configuration form -\> "hostname" field) Thank you

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## [Internet time vs RTC](https://discourse.nodered.org/t/internet-time-vs-rtc/33792)

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**Author:** [@ricky.spanish6](https://discourse.nodered.org/u/ricky.spanish6)\
**Replies:** 2\
**Last updated:** [8 October 2020 00:00 UTC](https://discourse.nodered.org/t/internet-time-vs-rtc/33792 "2020-10-08T00:00:15Z")

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Hi, I'm wondering what would be best for time-based events, RTC (and how to interface it) VS. Internet time. I'm running Node-RED on a Raspberry Pi 3 b+. Thanks!

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## [Npm ENETUNREACH - ERROR](https://discourse.nodered.org/t/npm-enetunreach-error/33790)

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**Author:** [@ilnr](https://discourse.nodered.org/u/ilnr)\
**Replies:** 7\
**Last updated:** [7 October 2020 23:25 UTC](https://discourse.nodered.org/t/npm-enetunreach-error/33790 "2020-10-07T23:25:30Z")

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Nice i wanted to install node-red-contrib-ui-svg A Node-RED widget node to show interactive SVG (vector graphics) in the dashboard But it got the error see below. I run node red on a raspberry. I thin it has a fixe…

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## [Ecobee integration into Node-RED...?](https://discourse.nodered.org/t/ecobee-integration-into-node-red/18123)

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**Author:** [@JonS](https://discourse.nodered.org/u/JonS)\
**Replies:** 5\
**Last updated:** [23 November 2019 13:51 UTC](https://discourse.nodered.org/t/ecobee-integration-into-node-red/18123 "2019-11-23T13:51:40Z")

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Hi all. I'm still learning Node-RED, so I apologize if what I'm about to ask is obvious. Short Version I am trying to integrate my Ecobee3 Lite thermostat into my new Node-RED setup (so I can pull current settings, te…

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## [Dashboard Password's Timeout](https://discourse.nodered.org/t/dashboard-passwords-timeout/33900)

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**Author:** [@alexmacabu](https://discourse.nodered.org/u/alexmacabu)\
**Replies:** 0\
**Last updated:** [7 October 2020 18:50 UTC](https://discourse.nodered.org/t/dashboard-passwords-timeout/33900 "2020-10-07T18:50:39Z")

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Hi everyone! I finally was able to protect my dashboard using httpNodeAuth ! But I've noticed that once I log in my session never expires. Is there a way to close the opened session automatically after some minutes? I'm…

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## [How to access zigbee2mqtt topic / sensor name?](https://discourse.nodered.org/t/how-to-access-zigbee2mqtt-topic-sensor-name/33899)

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**Author:** [@diagonali](https://discourse.nodered.org/u/diagonali)\
**Replies:** 1\
**Last updated:** [7 October 2020 17:48 UTC](https://discourse.nodered.org/t/how-to-access-zigbee2mqtt-topic-sensor-name/33899 "2020-10-07T17:48:44Z")

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I'm trying to extract the zigbee2mqtt topic from a msg.payload sent from a zigbee2mqtt sensor in Home Assistant which otherwise works perfectly but I can't see an object attribute of "topic" in the debug output. I've see…

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## ["Orange Pi Zero" how to manage pins?](https://discourse.nodered.org/t/orange-pi-zero-how-to-manage-pins/33750)

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**Author:** [@Zerg](https://discourse.nodered.org/u/Zerg)\
**Replies:** 8\
**Last updated:** [7 October 2020 17:12 UTC](https://discourse.nodered.org/t/orange-pi-zero-how-to-manage-pins/33750 "2020-10-07T17:12:16Z")

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I have an "Orange Pi Zero" and "Node-red" installed on it. and I don't understand how to manage pins with Node-red. I searched on forum but, the answers are mainly for "Raspberry" not for "Orange Pi". Or is it for "Node…

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## [Node-red stops due to InvalidAsn1Error](https://discourse.nodered.org/t/node-red-stops-due-to-invalidasn1error/33878)

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**Author:** [@CEK](https://discourse.nodered.org/u/CEK)\
**Replies:** 5\
**Last updated:** [7 October 2020 17:04 UTC](https://discourse.nodered.org/t/node-red-stops-due-to-invalidasn1error/33878 "2020-10-07T17:04:42Z")

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Good morning! I'm new to the forum and to Node-red, it seems like a fantastic tool! I am from Argentina and I am trying to be understood through google translator, I apologize! My problem is that Node Red stops with no…

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## [How to send bulk string to mindconnect node](https://discourse.nodered.org/t/how-to-send-bulk-string-to-mindconnect-node/33875)

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**Author:** [@RAW](https://discourse.nodered.org/u/RAW)\
**Replies:** 1\
**Last updated:** [7 October 2020 16:24 UTC](https://discourse.nodered.org/t/how-to-send-bulk-string-to-mindconnect-node/33875 "2020-10-07T16:24:35Z")

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Hello, I am trying to send bulk string(929,690 characters) to mindconnect node via mqtt node. when I feed this string without quotation marks ("") to function node as an array and connect function node to mindconnect i…

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## [Context Windows](https://discourse.nodered.org/t/context-windows/33874)

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**Author:** [@josekavunkal](https://discourse.nodered.org/u/josekavunkal)\
**Replies:** 2\
**Last updated:** [7 October 2020 15:45 UTC](https://discourse.nodered.org/t/context-windows/33874 "2020-10-07T15:45:19Z")

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global.set("Lamp\_count", Lamp\_count); I am using above statement to set a global value .I am able to get the value back using statement below. global.get("Lamp\_count"); But I cannot see this in the window/right frame …

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## [IDEA -- Enable an ability to connect nodes top/bottom as node option](https://discourse.nodered.org/t/idea-enable-an-ability-to-connect-nodes-top-bottom-as-node-option/33866)

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**Author:** [@sudoritz](https://discourse.nodered.org/u/sudoritz)\
**Replies:** 2\
**Last updated:** [7 October 2020 15:36 UTC](https://discourse.nodered.org/t/idea-enable-an-ability-to-connect-nodes-top-bottom-as-node-option/33866 "2020-10-07T15:36:35Z")

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enable an ability node connecting top/bottom same scenario top (IN) bottom (OUT) here is a quick mockup of the idea (it would be cool to enable \[text label\] on bottom Here is current scenario

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## [Modbus : Error of lenght](https://discourse.nodered.org/t/modbus-error-of-lenght/33887)

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**Author:** [@INCASE](https://discourse.nodered.org/u/INCASE)\
**Replies:** 3\
**Last updated:** [7 October 2020 15:23 UTC](https://discourse.nodered.org/t/modbus-error-of-lenght/33887 "2020-10-07T15:23:16Z")

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Hi all, I'm using a P30H captor from Lummel and I would like to collect the value from the captor by the Modbus TCP/IP Protocol. I verified the slave id, register and IP adress with Modbus Doctor. But when I tried t…

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## [Issue about Array use in another node](https://discourse.nodered.org/t/issue-about-array-use-in-another-node/33893)

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**Author:** [@UtsavPatel](https://discourse.nodered.org/u/UtsavPatel)\
**Replies:** 2\
**Last updated:** [7 October 2020 15:11 UTC](https://discourse.nodered.org/t/issue-about-array-use-in-another-node/33893 "2020-10-07T15:11:47Z")

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Hi All, I am working on my learning project, And in this project, the sensor gives me 4 values like ... probe 1, probe 2, probe3, probe4. (as underline in image). Now I want to do the total of this value and I need to…

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## [How to add an json object to an array](https://discourse.nodered.org/t/how-to-add-an-json-object-to-an-array/33871)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 3\
**Last updated:** [7 October 2020 15:05 UTC](https://discourse.nodered.org/t/how-to-add-an-json-object-to-an-array/33871 "2020-10-07T15:05:03Z")

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I have a msg.arrFile array. I researched then there is a method $append(array1, array2), but returns an array containing the values in array1 followed by the values in array2 https://docs.jsonata.org/array-functions#ap…

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## [Republishing modified flow 'triggers' flow?](https://discourse.nodered.org/t/republishing-modified-flow-triggers-flow/33880)

<div class="topic-metadata">

**Author:** [@dclear](https://discourse.nodered.org/u/dclear)\
**Replies:** 5\
**Last updated:** [7 October 2020 14:58 UTC](https://discourse.nodered.org/t/republishing-modified-flow-triggers-flow/33880 "2020-10-07T14:58:40Z")

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\[{"id":"809bca59.f5d928","type":"mqtt in","z":"b79cd752.8c43d8","name":"","topic":"callpad","qos":"2","datatype":"auto","broker":"af7f0536.34c678","x":120,"y":1460,"wires":\[\["4cb92a1d.f102c4","eef30cfd.b2231"\]\],"outputLa…

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## [Search Array and return corresponding data?](https://discourse.nodered.org/t/search-array-and-return-corresponding-data/33889)

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**Author:** [@ojsint](https://discourse.nodered.org/u/ojsint)\
**Replies:** 3\
**Last updated:** [7 October 2020 14:02 UTC](https://discourse.nodered.org/t/search-array-and-return-corresponding-data/33889 "2020-10-07T14:02:20Z")

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Hello, relative newbie to Node-Red, but having followed the various tutorials and searched what I can on here I have a few pages up and running. My latest issue, that I am hoping the collective can assit with, is the co…

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## [How to control a node-red GPIO python script from hassio (docker homeassistant)](https://discourse.nodered.org/t/how-to-control-a-node-red-gpio-python-script-from-hassio-docker-homeassistant/33870)

<div class="topic-metadata">

**Author:** [@jycemea](https://discourse.nodered.org/u/jycemea)\
**Replies:** 0\
**Last updated:** [7 October 2020 08:25 UTC](https://discourse.nodered.org/t/how-to-control-a-node-red-gpio-python-script-from-hassio-docker-homeassistant/33870 "2020-10-07T08:25:58Z")

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Hi, I'm looking to control a scripted GPIO python3-function node from hassio (not homeassistant with python venv installed ... but hassio) to MANUALLY control a GPIO. Everything is already running fine in node-red. The …

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## [Convert object to string](https://discourse.nodered.org/t/convert-object-to-string/33865)

<div class="topic-metadata">

**Author:** [@JosephDe](https://discourse.nodered.org/u/JosephDe)\
**Replies:** 7\
**Last updated:** [7 October 2020 08:30 UTC](https://discourse.nodered.org/t/convert-object-to-string/33865 "2020-10-07T08:30:45Z")

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Hi evereyone, I trying to figure out how to format may payload output like this { S1: "A", S2: "C" } to "A,C". I tried to code in a function var myJSON = msg.payload; var str = JSON.stringify(myJSON); return str; But…

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## [Manually write data to InfluxDB from UI](https://discourse.nodered.org/t/manually-write-data-to-influxdb-from-ui/33570)

<div class="topic-metadata">

**Author:** [@Mckenzi](https://discourse.nodered.org/u/Mckenzi)\
**Replies:** 11\
**Last updated:** [7 October 2020 07:51 UTC](https://discourse.nodered.org/t/manually-write-data-to-influxdb-from-ui/33570 "2020-10-07T07:51:18Z")

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Hi, Looking for a way to write data to Influx from UI. Enter value Choose the date Click button to write thae data. Thx for any suggestion.

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