# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1071

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

**Page:** 1072

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## [Exec node timeout not working in 'exec' mode](https://discourse.nodered.org/t/exec-node-timeout-not-working-in-exec-mode/28040)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 33\
**Last updated:** [10 June 2020 09:27 UTC](https://discourse.nodered.org/t/exec-node-timeout-not-working-in-exec-mode/28040 "2020-06-10T09:27:05Z")

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Following on from a recent post it seems that the Exec node Timeout feature does not work when configured for exec mode, though it does work for spawn mode. See the attached example flow. The exec node runs a 20 second …

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## [Node Status - queries about text is null](https://discourse.nodered.org/t/node-status-queries-about-text-is-null/28104)

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**Author:** [@softy2k](https://discourse.nodered.org/u/softy2k)\
**Replies:** 3\
**Last updated:** [10 June 2020 08:26 UTC](https://discourse.nodered.org/t/node-status-queries-about-text-is-null/28104 "2020-06-10T08:26:29Z")

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Is it normal in case of 2, Node Status to block the whole flow ? Basically, if 'text' has the value null, the execution of the flow stops at that node. \[{"id":"f00e26a6.ac9408","type":"tab","label":"Message","disabled"…

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## [How can i send a message every "X" time?](https://discourse.nodered.org/t/how-can-i-send-a-message-every-x-time/27935)

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**Author:** [@DAVIDLL](https://discourse.nodered.org/u/DAVIDLL)\
**Replies:** 10\
**Last updated:** [10 June 2020 08:48 UTC](https://discourse.nodered.org/t/how-can-i-send-a-message-every-x-time/27935 "2020-06-10T08:48:14Z")

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Hi! i'm working on Node Red and ESP32, i have my mqtt node at node red that receives values constantly, and keeping that values in a data base. I want to send the mqtt message to de DB every 5 minutes. I've tried using a…

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## [Function node to keep same topic](https://discourse.nodered.org/t/function-node-to-keep-same-topic/28088)

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**Author:** [@Giaitzoglou](https://discourse.nodered.org/u/Giaitzoglou)\
**Replies:** 8\
**Last updated:** [10 June 2020 08:16 UTC](https://discourse.nodered.org/t/function-node-to-keep-same-topic/28088 "2020-06-10T08:16:05Z")

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hi so i want to do something relly basic change a string message that comes from mqtt from 0 to 1 and from 1 to 0 i tried to do it with a change node but i put both options inside but it only does one and not both so i…

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## [Saving Array to Global](https://discourse.nodered.org/t/saving-array-to-global/28090)

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**Author:** [@mikeh](https://discourse.nodered.org/u/mikeh)\
**Replies:** 5\
**Last updated:** [10 June 2020 07:45 UTC](https://discourse.nodered.org/t/saving-array-to-global/28090 "2020-06-10T07:45:58Z")

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I've saved an array to a global variable using global.set In another function, I used global.get to extract that array but only a few elements existed! Don't know what's happening at all... As you can see I saved it…

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## [\`CSS\` buttons not remembering settings as well as normal buttons](https://discourse.nodered.org/t/css-buttons-not-remembering-settings-as-well-as-normal-buttons/28096)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [10 June 2020 06:47 UTC](https://discourse.nodered.org/t/css-buttons-not-remembering-settings-as-well-as-normal-buttons/28096 "2020-06-10T06:47:08Z")

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With my recent journey into CSS I am slowly going through updating buttons to CSS ones. They look a bit nicer and I need the practice in designing them. As it is I leave the old buttons in the flow and disable them - j…

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## [TCP/IP 3 way handshake](https://discourse.nodered.org/t/tcp-ip-3-way-handshake/28059)

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**Author:** [@winnemd](https://discourse.nodered.org/u/winnemd)\
**Replies:** 7\
**Last updated:** [10 June 2020 05:09 UTC](https://discourse.nodered.org/t/tcp-ip-3-way-handshake/28059 "2020-06-10T05:09:31Z")

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Hi everybody! I like to use Node-RED to power on my home cinema projector over TCP/IP. A so-called 3-way handshake is used to establish a connection and then a hex command must be sent. When I open the connection with…

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## [Colour Sorting machine using Raspberry and Arduino in Node Red](https://discourse.nodered.org/t/colour-sorting-machine-using-raspberry-and-arduino-in-node-red/28094)

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**Author:** [@limjing98](https://discourse.nodered.org/u/limjing98)\
**Replies:** 0\
**Last updated:** [10 June 2020 03:32 UTC](https://discourse.nodered.org/t/colour-sorting-machine-using-raspberry-and-arduino-in-node-red/28094 "2020-06-10T03:32:11Z")

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I am new in node red I would like to know where I can refer or get idea from? My project is using node red to connect with my raspberry pi and arduino to sense colour for tomatoes and store as a data in node red or clo…

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## [How do I set an array to a variable](https://discourse.nodered.org/t/how-do-i-set-an-array-to-a-variable/27997)

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**Author:** [@gohyuheng02](https://discourse.nodered.org/u/gohyuheng02)\
**Replies:** 7\
**Last updated:** [10 June 2020 03:15 UTC](https://discourse.nodered.org/t/how-do-i-set-an-array-to-a-variable/27997 "2020-06-10T03:15:42Z")

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For example in the given array; (array is updated with different value every sec) \[93,30,9\] I would like to indicate that 93 is humidity, 30 is temperature, 9 is x in JSON format. \[which look something like this ( "hum…

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## [Tradfri WS lights color\_temp values](https://discourse.nodered.org/t/tradfri-ws-lights-color-temp-values/28092)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 0\
**Last updated:** [10 June 2020 03:08 UTC](https://discourse.nodered.org/t/tradfri-ws-lights-color-temp-values/28092 "2020-06-10T03:08:00Z")

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Does anyone know what is the range of values for color temp of the Tradfri WS lights in this Javascript object: {"domain":"light","service":"turn\_on","data":{"transition":5,"entity\_id":"light.steve","color\_temp":10}}

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## [New User Help for a Chemistry Flow](https://discourse.nodered.org/t/new-user-help-for-a-chemistry-flow/28024)

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**Author:** [@Bryce](https://discourse.nodered.org/u/Bryce)\
**Replies:** 6\
**Last updated:** [10 June 2020 00:55 UTC](https://discourse.nodered.org/t/new-user-help-for-a-chemistry-flow/28024 "2020-06-10T00:55:05Z")

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Hello, My name is Bryce and I have recently found that a fellow staff member was using Node-RED to code and control a system we have in our workplace, the hard thing is he has since left the company and this project has…

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## [BASH help with messages](https://discourse.nodered.org/t/bash-help-with-messages/28087)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [10 June 2020 00:50 UTC](https://discourse.nodered.org/t/bash-help-with-messages/28087 "2020-06-10T00:50:11Z")

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(If I've been here before, sorry. I can't remember.) I've got a problem where I may need to move files and fs-ops doesn't quite cut the mustard for doing it as it involves wild cards. So my dillema is this: This is …

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## [Layout Editor - Results not reflected in Dashboard View](https://discourse.nodered.org/t/layout-editor-results-not-reflected-in-dashboard-view/27965)

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**Author:** [@emstrand](https://discourse.nodered.org/u/emstrand)\
**Replies:** 20\
**Last updated:** [9 June 2020 23:52 UTC](https://discourse.nodered.org/t/layout-editor-results-not-reflected-in-dashboard-view/27965 "2020-06-09T23:52:59Z")

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Dear Forum Members- I apologize if this is a stupid question. Working on my first application, a Ham Radio Antenna Tuner. I have used the layout editor to edit a 6 unit wide group to place one 4 unit button on the rig…

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## [Easy node access. Is this another option?](https://discourse.nodered.org/t/easy-node-access-is-this-another-option/28084)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [9 June 2020 22:47 UTC](https://discourse.nodered.org/t/easy-node-access-is-this-another-option/28084 "2020-06-09T22:47:15Z")

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I was just corrected about the way to access nodes in the edit screen with Control Left Mouse Button. (^LMB) Though I don't use that option - yet - The entire layout of the left panel where the nodes are shown is probl…

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## [RMB node pop ups](https://discourse.nodered.org/t/rmb-node-pop-ups/28083)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [9 June 2020 21:53 UTC](https://discourse.nodered.org/t/rmb-node-pop-ups/28083 "2020-06-09T21:53:41Z")

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I've got NR 1.0.3 Not the latest, but....... I remember reading that one of the new releases offers RMB pop ups for nodes. So when I am in the edit screen rather than having to go to the left panel, I could RMB and a …

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## [Just want to check on these three errors](https://discourse.nodered.org/t/just-want-to-check-on-these-three-errors/28039)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 9\
**Last updated:** [9 June 2020 21:39 UTC](https://discourse.nodered.org/t/just-want-to-check-on-these-three-errors/28039 "2020-06-09T21:39:13Z")

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I had to restart NR on a machine. Seeing these errors when it is starting: 9 Jun 19:56:11 - \[info\] Loading palette nodes Traceback (most recent call last): File "\<string\>", line 1, in \<module\> ImportError: No module …

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## [JSONata help to extract valuefrom array then object](https://discourse.nodered.org/t/jsonata-help-to-extract-valuefrom-array-then-object/28065)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 4\
**Last updated:** [9 June 2020 20:55 UTC](https://discourse.nodered.org/t/jsonata-help-to-extract-valuefrom-array-then-object/28065 "2020-06-09T20:55:22Z")

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I have a msg and I'd like to extract the value of col1 using JSONata and as usual - not being successful present (not working attempt) payload\[0\].col1

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## [Setting background colour on dashboard button](https://discourse.nodered.org/t/setting-background-colour-on-dashboard-button/28063)

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**Author:** [@ceejm1](https://discourse.nodered.org/u/ceejm1)\
**Replies:** 2\
**Last updated:** [9 June 2020 20:51 UTC](https://discourse.nodered.org/t/setting-background-colour-on-dashboard-button/28063 "2020-06-09T20:51:59Z")

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Hello, According to the information panel this should set the background colour of the button... but it doesn't.. What am I missing? Thanks \[{"id":"6ec46a0a.8b8e1c","type":"ui\_button","z":"8aa32e16.69841","name":"","g…

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## [How to change the format of a message from a s7 node to the format of a telegram message?](https://discourse.nodered.org/t/how-to-change-the-format-of-a-message-from-a-s7-node-to-the-format-of-a-telegram-message/28079)

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**Author:** [@osancleca](https://discourse.nodered.org/u/osancleca)\
**Replies:** 0\
**Last updated:** [9 June 2020 20:37 UTC](https://discourse.nodered.org/t/how-to-change-the-format-of-a-message-from-a-s7-node-to-the-format-of-a-telegram-message/28079 "2020-06-09T20:37:24Z")

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Hi, I have a telegram chat bot with which I communicate without problem, the problem I have when trying to send the temperature that I read through a plc with node s7, and is that I do not know how to change the message …

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## [Exec node + Python3 Script on Ubuntu resulting in \[Errno 13\] Permission denied](https://discourse.nodered.org/t/exec-node-python3-script-on-ubuntu-resulting-in-errno-13-permission-denied/28021)

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**Author:** [@achirife](https://discourse.nodered.org/u/achirife)\
**Replies:** 5\
**Last updated:** [9 June 2020 20:17 UTC](https://discourse.nodered.org/t/exec-node-python3-script-on-ubuntu-resulting-in-errno-13-permission-denied/28021 "2020-06-09T20:17:13Z")

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Hi all, New to Node-Red and Ubuntu but I was moving fine ... until i crashed! Hope that you can help me clarify an issue that has been torturing me for a couple of days: The Intended Flow that is not working: \[Inject…

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## [Best strategy for Switch node?](https://discourse.nodered.org/t/best-strategy-for-switch-node/28077)

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**Author:** [@ad-netafy](https://discourse.nodered.org/u/ad-netafy)\
**Replies:** 1\
**Last updated:** [9 June 2020 19:02 UTC](https://discourse.nodered.org/t/best-strategy-for-switch-node/28077 "2020-06-09T19:02:23Z")

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Using the switch node, I want to provide a list of specific zip codes and say "if msg.example = any of these zip codes, go out pin 1". Is this possible, and if so which strategy is best? Am I able to say "if msg.example…

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## [Node-Red restarts at some random points](https://discourse.nodered.org/t/node-red-restarts-at-some-random-points/28011)

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**Author:** [@MeisterQ](https://discourse.nodered.org/u/MeisterQ)\
**Replies:** 5\
**Last updated:** [9 June 2020 18:50 UTC](https://discourse.nodered.org/t/node-red-restarts-at-some-random-points/28011 "2020-06-09T18:50:12Z")

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Hello, since i updated my Node-Red to v1.0.6 with the installer script from the page, its restarting at some random points. The log shown in "node-red-log" shows me following: 8 Jun 22:34:43 - \[red\] Uncaught Exception…

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## [Easy question: switch node from payload content](https://discourse.nodered.org/t/easy-question-switch-node-from-payload-content/28071)

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**Author:** [@get-command](https://discourse.nodered.org/u/get-command)\
**Replies:** 3\
**Last updated:** [9 June 2020 18:43 UTC](https://discourse.nodered.org/t/easy-question-switch-node-from-payload-content/28071 "2020-06-09T18:43:35Z")

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Hi, I need your help please. I have this payload-data in the dubug: i want this in a switch node. If presentValue: 1 then switch 1 / If presentValue: 2 then switch 2:. Like this: What i need to do? Thank your fo…

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## [Multiple line chart from SQL](https://discourse.nodered.org/t/multiple-line-chart-from-sql/28073)

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**Author:** [@DidierWindey](https://discourse.nodered.org/u/DidierWindey)\
**Replies:** 0\
**Last updated:** [9 June 2020 18:01 UTC](https://discourse.nodered.org/t/multiple-line-chart-from-sql/28073 "2020-06-09T18:01:08Z")

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I want to plot 2 lines in chart from 2 SQL datasets. When plotting 1 line from 1 dataset, it works fine, but not for 2... This is the payload. Anyone can help with the sequence ? \[{"series":\["solar ="\], "data" : zz1…

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## [Changing the length of a widget](https://discourse.nodered.org/t/changing-the-length-of-a-widget/28049)

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**Author:** [@Revathy\_Sarma](https://discourse.nodered.org/u/Revathy_Sarma)\
**Replies:** 1\
**Last updated:** [9 June 2020 17:58 UTC](https://discourse.nodered.org/t/changing-the-length-of-a-widget/28049 "2020-06-09T17:58:59Z")

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PLEASE HELP OUT A BEGINNER!!! As you can see in the image I have created a chatbot UI using the dashboard nodes. The issue with this is that the answer that the bot gives always comes out of the group border. So is th…

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## [Array elements in new line](https://discourse.nodered.org/t/array-elements-in-new-line/28072)

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**Author:** [@tanishagoyal1](https://discourse.nodered.org/u/tanishagoyal1)\
**Replies:** 1\
**Last updated:** [9 June 2020 17:48 UTC](https://discourse.nodered.org/t/array-elements-in-new-line/28072 "2020-06-09T17:48:07Z")

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i want to print elements of array of msg.payload.output.text in new line

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## [Node-red-contrib-ui-artless-gauge not showing on dashboard](https://discourse.nodered.org/t/node-red-contrib-ui-artless-gauge-not-showing-on-dashboard/28020)

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**Author:** [@tfmeier](https://discourse.nodered.org/u/tfmeier)\
**Replies:** 15\
**Last updated:** [9 June 2020 16:28 UTC](https://discourse.nodered.org/t/node-red-contrib-ui-artless-gauge-not-showing-on-dashboard/28020 "2020-06-09T16:28:08Z")

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I have installed the artless gauge to visually upgrade my dashboard but it's not working Installation from palette manager without issues Created a simple flow as per below Deployment doesn't show any errors Standard g…

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## [\[Flow\] COVID-19 country history charts based on total tests](https://discourse.nodered.org/t/flow-covid-19-country-history-charts-based-on-total-tests/25356)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 25\
**Last updated:** [9 June 2020 13:54 UTC](https://discourse.nodered.org/t/flow-covid-19-country-history-charts-based-on-total-tests/25356 "2020-06-09T13:54:44Z")

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I have found a cool github repository maintained by Our World in Data that is also reporting the total tests performed per day. Based on this I have created a node-red flow that allows to compare percentage of confirmed…

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## [Exec node not working on windows server](https://discourse.nodered.org/t/exec-node-not-working-on-windows-server/28061)

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**Author:** [@cdacruz](https://discourse.nodered.org/u/cdacruz)\
**Replies:** 1\
**Last updated:** [9 June 2020 13:40 UTC](https://discourse.nodered.org/t/exec-node-not-working-on-windows-server/28061 "2020-06-09T13:40:51Z")

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Hi all, I'm trying to use an exec node which works on a windows 10, but not on a windows server 2012. The response is : Command failed: "C:\\Program Files (x86)\\WinSCP\\WinSCP.exe" /log="D:\\IISDATA\\SITES\\wwwroot\\Meteo\_Vi…

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## [JSONata: From Array of objects to array of array with appending data](https://discourse.nodered.org/t/jsonata-from-array-of-objects-to-array-of-array-with-appending-data/28033)

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**Author:** [@JSONata](https://discourse.nodered.org/u/JSONata)\
**Replies:** 3\
**Last updated:** [9 June 2020 13:27 UTC](https://discourse.nodered.org/t/jsonata-from-array-of-objects-to-array-of-array-with-appending-data/28033 "2020-06-09T13:27:35Z")

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So there is this input array \[ { "time": 1591653600, "level": 100 }, { "time": 1591657200, "level": 110 } \] To each array content there should be appended { "t…

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