# Latest

**URL:** https://discourse.nodered.org/latest.md?page=587

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

**Page:** 588

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## [Split the string into separate values](https://discourse.nodered.org/t/split-the-string-into-separate-values/2818)

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**Author:** [@Srijan](https://discourse.nodered.org/u/Srijan)\
**Replies:** 63\
**Last updated:** [17 April 2022 09:49 UTC](https://discourse.nodered.org/t/split-the-string-into-separate-values/2818 "2022-04-17T09:49:48Z")

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hello everyone i m very much confused how to split the string into saparate values . as i have 4 values in a string temperature 2.humidity 3.pir ldr but the values are in the form of string and i want to saparat…

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## [Unable to install nodes of Modbus and RS485](https://discourse.nodered.org/t/unable-to-install-nodes-of-modbus-and-rs485/61386)

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**Author:** [@jinx](https://discourse.nodered.org/u/jinx)\
**Replies:** 3\
**Last updated:** [17 April 2022 08:53 UTC](https://discourse.nodered.org/t/unable-to-install-nodes-of-modbus-and-rs485/61386 "2022-04-17T08:53:49Z")

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Hi, everyone~ I have installed Node-RED 2.2.2 by using npm: npm install -g --unsafe-perm node-red Here is the information when it started: Welcome to Node-RED 17 Apr 14:54:51 - \[info\] Node-RED version: v2.2.2 17 …

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## [Auto Scroll to bottom when item added to editableList not work in my custom node](https://discourse.nodered.org/t/auto-scroll-to-bottom-when-item-added-to-editablelist-not-work-in-my-custom-node/61278)

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**Author:** [@d0d04m3](https://discourse.nodered.org/u/d0d04m3)\
**Replies:** 6\
**Last updated:** [17 April 2022 08:45 UTC](https://discourse.nodered.org/t/auto-scroll-to-bottom-when-item-added-to-editablelist-not-work-in-my-custom-node/61278 "2022-04-17T08:45:33Z")

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hi Auto Scroll to bottom not work for me all other node work for me this issus only in my custom node so I add this code to update scrolltop when new item added but scrolltop value never update ! what's wrong I can…

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## [Sharing drive from Windows to Ubuntu on a VM](https://discourse.nodered.org/t/sharing-drive-from-windows-to-ubuntu-on-a-vm/61368)

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**Author:** [@SuperMan](https://discourse.nodered.org/u/SuperMan)\
**Replies:** 9\
**Last updated:** [17 April 2022 01:38 UTC](https://discourse.nodered.org/t/sharing-drive-from-windows-to-ubuntu-on-a-vm/61368 "2022-04-17T01:38:29Z")

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Hi friends, I’m newbie to Nodered. I’m currently running nodered on Ubuntu (normally and in docker) which is in a vm in Windows. I’m trying to map my network drive in windows to Ubuntu. Trying to run Nodered in docker …

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## [How does to fix node validation error, when it get value from TypedInput Select box?](https://discourse.nodered.org/t/how-does-to-fix-node-validation-error-when-it-get-value-from-typedinput-select-box/61375)

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**Author:** [@studiobox](https://discourse.nodered.org/u/studiobox)\
**Replies:** 0\
**Last updated:** [16 April 2022 22:41 UTC](https://discourse.nodered.org/t/how-does-to-fix-node-validation-error-when-it-get-value-from-typedinput-select-box/61375 "2022-04-16T22:41:15Z")

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Hi all, I create node. And it has validate function for its field. Validation has using value from 'TypedInput Select box'. They names 'node-input-action' and 'node-input-datetimeMode'. But the problem is from 'node-in…

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## [CoAP in Node-RED "Error:getaddrinfo ENOTFOUND" (node-red-contrib-coap)](https://discourse.nodered.org/t/coap-in-node-red-error-getaddrinfo-enotfound-node-red-contrib-coap/61232)

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**Author:** [@lOcszp](https://discourse.nodered.org/u/lOcszp)\
**Replies:** 1\
**Last updated:** [16 April 2022 22:00 UTC](https://discourse.nodered.org/t/coap-in-node-red-error-getaddrinfo-enotfound-node-red-contrib-coap/61232 "2022-04-16T22:00:34Z")

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So, I want do an application for my university IOT project and I decided to use node-red, but I'm having some issues specifically with the protocol CoAP in node-red and I don't know the cause. The problem is that, I ca…

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## [Precise timing problem](https://discourse.nodered.org/t/precise-timing-problem/59696)

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**Author:** [@Jay1234](https://discourse.nodered.org/u/Jay1234)\
**Replies:** 7\
**Last updated:** [16 April 2022 19:59 UTC](https://discourse.nodered.org/t/precise-timing-problem/59696 "2022-04-16T19:59:16Z")

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Hello! I am using NR to help control my astrophotography barn door star tracker. The set up currently consist of a RPi 3b running astroberry that's controlling a 28byj48 stepper motor. I'm having issues with timing acc…

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## [Question: How to clone a subflow?](https://discourse.nodered.org/t/question-how-to-clone-a-subflow/20436)

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**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 3\
**Last updated:** [16 April 2022 19:54 UTC](https://discourse.nodered.org/t/question-how-to-clone-a-subflow/20436 "2022-04-16T19:54:56Z")

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Hello, I recently discovered my love to subflows as they are a very good compromise before rolling out a custom node. Thank you! But what I didn\`t managed is to clone a subflow. In example I have a nicely configured s…

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## [Setting dashboard switch based on file and not trigger actions](https://discourse.nodered.org/t/setting-dashboard-switch-based-on-file-and-not-trigger-actions/61353)

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**Author:** [@GAZ082](https://discourse.nodered.org/u/GAZ082)\
**Replies:** 3\
**Last updated:** [16 April 2022 18:27 UTC](https://discourse.nodered.org/t/setting-dashboard-switch-based-on-file-and-not-trigger-actions/61353 "2022-04-16T18:27:21Z")

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I have a node like this, where I use the output of a switch to activate or deactivate a camera. But also it saves the status in a /tmp file, so when NR restarts, the status is preserved. However, if I update the status o…

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## [Issue with extracting information out of an object array](https://discourse.nodered.org/t/issue-with-extracting-information-out-of-an-object-array/61373)

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**Author:** [@Fabian911](https://discourse.nodered.org/u/Fabian911)\
**Replies:** 2\
**Last updated:** [16 April 2022 18:26 UTC](https://discourse.nodered.org/t/issue-with-extracting-information-out-of-an-object-array/61373 "2022-04-16T18:26:02Z")

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Hello guys, I have a little trouble withextracting an information out of the last object of an array. I've just copied the path out of the debug but it doesnt work either. Would be nice if somebody could help! …

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## [Multiple GPIO pins on Raspberry with https://flows.nodered.org/node/node-red-node-pi-gpio](https://discourse.nodered.org/t/multiple-gpio-pins-on-raspberry-with-https-flows-nodered-org-node-node-red-node-pi-gpio/61330)

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**Author:** [@mibian](https://discourse.nodered.org/u/mibian)\
**Replies:** 4\
**Last updated:** [16 April 2022 13:10 UTC](https://discourse.nodered.org/t/multiple-gpio-pins-on-raspberry-with-https-flows-nodered-org-node-node-red-node-pi-gpio/61330 "2022-04-16T13:10:25Z")

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I have made a solution, that referenceses several sources for information, a file, a webpage etc. It then determins the proper state for a GPIO pin from the data, and sets it. My problem is that the GPIO node only takes…

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## [Node-red + Unity via JINT (Javascript .net interpreter)?](https://discourse.nodered.org/t/node-red-unity-via-jint-javascript-net-interpreter/61369)

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**Author:** [@BryanOgd](https://discourse.nodered.org/u/BryanOgd)\
**Replies:** 0\
**Last updated:** [16 April 2022 13:05 UTC](https://discourse.nodered.org/t/node-red-unity-via-jint-javascript-net-interpreter/61369 "2022-04-16T13:05:06Z")

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Recently I ran into JINT (a javascript .net interpreter) and a tutorial to use JavaScript and NPM INSIDE Unity builds. NPM Packages are possible Theoretically would it be feasible to embed node-red (even if headless) in…

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## [Dashboard layout editor not visible](https://discourse.nodered.org/t/dashboard-layout-editor-not-visible/60712)

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**Author:** [@Infuse20](https://discourse.nodered.org/u/Infuse20)\
**Replies:** 5\
**Last updated:** [16 April 2022 11:45 UTC](https://discourse.nodered.org/t/dashboard-layout-editor-not-visible/60712 "2022-04-16T11:45:51Z")

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Hi, I am new to Node-red. I am trying to create Dash Board. But when I select Layout nothing is visible in the Layout editor. Earlier I was able to see & change the layout. Can any one guide me what is wrong? I have alre…

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## [Function for collecting 3 answers from Telegram and posting to Google Forms](https://discourse.nodered.org/t/function-for-collecting-3-answers-from-telegram-and-posting-to-google-forms/61362)

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**Author:** [@sokomm](https://discourse.nodered.org/u/sokomm)\
**Replies:** 2\
**Last updated:** [16 April 2022 11:15 UTC](https://discourse.nodered.org/t/function-for-collecting-3-answers-from-telegram-and-posting-to-google-forms/61362 "2022-04-16T11:15:27Z")

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Hi, I'm trying to send tree questions via Telegram, collect the answers and post them to Google Forms. I have a working bot and the posting part figured out, the part that am struggling with is the function. It should…

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## [Is it possible to add gauges dynamically with node-red-dashboard?](https://discourse.nodered.org/t/is-it-possible-to-add-gauges-dynamically-with-node-red-dashboard/61359)

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**Author:** [@raylight](https://discourse.nodered.org/u/raylight)\
**Replies:** 3\
**Last updated:** [16 April 2022 06:46 UTC](https://discourse.nodered.org/t/is-it-possible-to-add-gauges-dynamically-with-node-red-dashboard/61359 "2022-04-16T06:46:27Z")

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I'd like to create multiple gauges with the node-red-dashboard in a dynamic way. Let's say I have this dashboard: It was created by manually setting each gauge as the following: But let's say I have the following …

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## [What is a good term to use for this?](https://discourse.nodered.org/t/what-is-a-good-term-to-use-for-this/61352)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [16 April 2022 00:48 UTC](https://discourse.nodered.org/t/what-is-a-good-term-to-use-for-this/61352 "2022-04-16T00:48:58Z")

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I am making a counter that counts. (And loops at the end) The option is I am wanting it to have two modes: 1 - When invoked subsequent times it starts at 1 2 - When invoked subsequent times it continues from the last…

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## [How to change a number from payload](https://discourse.nodered.org/t/how-to-change-a-number-from-payload/61351)

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**Author:** [@johanmeer](https://discourse.nodered.org/u/johanmeer)\
**Replies:** 2\
**Last updated:** [15 April 2022 22:47 UTC](https://discourse.nodered.org/t/how-to-change-a-number-from-payload/61351 "2022-04-15T22:47:44Z")

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Hi!, i'm struggling with my DHT22 sensor. If i do the calibration, the sensor is 5% humidity to high according from 2 other callibrated measuresment tools. Now i thought, maybe i can change the value from the sensor -5. …

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## [Publish more datas with mqtt](https://discourse.nodered.org/t/publish-more-datas-with-mqtt/61308)

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**Author:** [@marti1977](https://discourse.nodered.org/u/marti1977)\
**Replies:** 15\
**Last updated:** [15 April 2022 20:55 UTC](https://discourse.nodered.org/t/publish-more-datas-with-mqtt/61308 "2022-04-15T20:55:37Z")

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hi everybody, i would like you to ask something. I'm doing a project in which i receive some datas from a meteo page and publish only temperature and humidity on a broker. I have already used an inject (to ask the datas …

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## [A new chapter of weird MQTT messages](https://discourse.nodered.org/t/a-new-chapter-of-weird-mqtt-messages/61203)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 10\
**Last updated:** [15 April 2022 20:39 UTC](https://discourse.nodered.org/t/a-new-chapter-of-weird-mqtt-messages/61203 "2022-04-15T20:39:39Z")

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A long time back I was having all sorts of problems with MQTT. Wrong machine messages being sent when shutting down, rogue messages turning devices on/off at weird times, and probably others. A lot of them went away wh…

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## [Json String to object help please](https://discourse.nodered.org/t/json-string-to-object-help-please/61344)

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**Author:** [@MrRodz](https://discourse.nodered.org/u/MrRodz)\
**Replies:** 10\
**Last updated:** [15 April 2022 19:42 UTC](https://discourse.nodered.org/t/json-string-to-object-help-please/61344 "2022-04-15T19:42:32Z")

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Hi all, I've got a camera that sends this out on MQTT , { “type”:“MOTION\_A”, “trigger”:“ON”, “memo”:“car:80%”, “json”:"\[{“api”:“objects”,“found”:{“success”:true,“predictions”:\[{“confidence”:0.79541016,“label”:“car”,“y\_…

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## [RED.library without RED.editor?](https://discourse.nodered.org/t/red-library-without-red-editor/61247)

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**Author:** [@Fredrik](https://discourse.nodered.org/u/Fredrik)\
**Replies:** 3\
**Last updated:** [15 April 2022 17:31 UTC](https://discourse.nodered.org/t/red-library-without-red-editor/61247 "2022-04-15T17:31:31Z")

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I've been hacking away at RED.library, trying to understand how it works. I'm actually getting somewhere and managed to save and read information from the library in my test node. However, I have a question. Is there a …

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## [How can write object consist of several items in csv file](https://discourse.nodered.org/t/how-can-write-object-consist-of-several-items-in-csv-file/61339)

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**Author:** [@Fathi2022](https://discourse.nodered.org/u/Fathi2022)\
**Replies:** 1\
**Last updated:** [15 April 2022 16:57 UTC](https://discourse.nodered.org/t/how-can-write-object-consist-of-several-items-in-csv-file/61339 "2022-04-15T16:57:19Z")

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how can write object consist of several items in csv file

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## [Structure the datas and create a CSV file](https://discourse.nodered.org/t/structure-the-datas-and-create-a-csv-file/61331)

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**Author:** [@Alexandre1987](https://discourse.nodered.org/u/Alexandre1987)\
**Replies:** 2\
**Last updated:** [15 April 2022 16:09 UTC](https://discourse.nodered.org/t/structure-the-datas-and-create-a-csv-file/61331 "2022-04-15T16:09:20Z")

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Hello everybody, I am not really an expert to Nodered and I would need help on a particular point. I am retrieving an XML file and would like to structure the datas to create a CSV file. I watched some tutorials and s…

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## [UI Chart plotting working hours](https://discourse.nodered.org/t/ui-chart-plotting-working-hours/61248)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 1\
**Last updated:** [14 April 2022 10:13 UTC](https://discourse.nodered.org/t/ui-chart-plotting-working-hours/61248 "2022-04-14T10:13:58Z")

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Hi, I am struggling with this..: I need to plot on a chart the daily working hours/minutes of a device. On the X-axis I have days (DD/MM) and on the Y-axis I should plot HH:MM of the device, each day. How can I reach …

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## [Hide graph values in node-red-contrib-ui-level](https://discourse.nodered.org/t/hide-graph-values-in-node-red-contrib-ui-level/61335)

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**Author:** [@Tomadoggy](https://discourse.nodered.org/u/Tomadoggy)\
**Replies:** 1\
**Last updated:** [15 April 2022 15:18 UTC](https://discourse.nodered.org/t/hide-graph-values-in-node-red-contrib-ui-level/61335 "2022-04-15T15:18:31Z")

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I am really liking the node-red-contrib-ui-level nodes...however since I am displaying the graph value next to the title, I wish to hide the values on the actual graph, but am unable to figure this out. Any ideas?

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## [Read payload from Debug pane](https://discourse.nodered.org/t/read-payload-from-debug-pane/61334)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 0\
**Last updated:** [15 April 2022 15:01 UTC](https://discourse.nodered.org/t/read-payload-from-debug-pane/61334 "2022-04-15T15:01:25Z")

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So, I need to read a payload from the debug pane - this is in view of streamlining a setup for users. I am aware of the websocket topic of "debug" - but having it already in the debug pane is obviously better. Is ther…

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## [Implement a shairport-sync Airplay server into Node-Red](https://discourse.nodered.org/t/implement-a-shairport-sync-airplay-server-into-node-red/61321)

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**Author:** [@pagaille](https://discourse.nodered.org/u/pagaille)\
**Replies:** 3\
**Last updated:** [15 April 2022 15:02 UTC](https://discourse.nodered.org/t/implement-a-shairport-sync-airplay-server-into-node-red/61321 "2022-04-15T15:02:23Z")

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Hi there, I would like to integrate a shairport-sync instance into my node-red flow. The goal is being able to start / stop an airplay server listening to streams coming for iDevices and send that stream to the speaker…

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## [Display multiple past values in chart](https://discourse.nodered.org/t/display-multiple-past-values-in-chart/61327)

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**Author:** [@Catelyna](https://discourse.nodered.org/u/Catelyna)\
**Replies:** 7\
**Last updated:** [15 April 2022 14:56 UTC](https://discourse.nodered.org/t/display-multiple-past-values-in-chart/61327 "2022-04-15T14:56:28Z")

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I've tried to display multiple values with timestamps from the past in a chart. I used the JSON-Format \[{"series": \[" "\], "data": \[\[{ "x": timestamp, "y": value }\]\],"labels": \[""\]}\] (timestamp/value-pairs received via…

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## [Question about Thingspeak MQTT new broker compatibility with NodeRED 1.2.7](https://discourse.nodered.org/t/question-about-thingspeak-mqtt-new-broker-compatibility-with-nodered-1-2-7/61333)

<div class="topic-metadata">

**Author:** [@roomer8](https://discourse.nodered.org/u/roomer8)\
**Replies:** 0\
**Last updated:** [15 April 2022 14:48 UTC](https://discourse.nodered.org/t/question-about-thingspeak-mqtt-new-broker-compatibility-with-nodered-1-2-7/61333 "2022-04-15T14:48:42Z")

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Hello everyone. I recently used Sensetechnic's FRED combined with Thingspeak with a MQTT communication channel. Up until April 4th everything was working fine. I don't know when, but between that date and today, the co…

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## [Erreur lors de l'installation de node-red sur Windows](https://discourse.nodered.org/t/erreur-lors-de-linstallation-de-node-red-sur-windows/61296)

<div class="topic-metadata">

**Author:** [@mayelle.26](https://discourse.nodered.org/u/mayelle.26)\
**Replies:** 10\
**Last updated:** [15 April 2022 12:03 UTC](https://discourse.nodered.org/t/erreur-lors-de-linstallation-de-node-red-sur-windows/61296 "2022-04-15T12:03:04Z")

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Bonjour, Je suis sous Windows et j'ai essayé d'installer node-red via node.js directement. Sauf que lorsque je lance l'installation j'obtiens des erreurs (ci dessous). La version de node est 17.9.0 et celle de npm est 8…

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