# Latest

**URL:** https://discourse.nodered.org/latest.md?page=581

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

**Page:** 582

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## [Wrong data with form node](https://discourse.nodered.org/t/wrong-data-with-form-node/61795)

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**Author:** [@QGIO](https://discourse.nodered.org/u/QGIO)\
**Replies:** 6\
**Last updated:** [26 April 2022 12:57 UTC](https://discourse.nodered.org/t/wrong-data-with-form-node/61795 "2022-04-26T12:57:45Z")

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I have a form node to insert a Date and other two string data. The problem is that an incorrect data is saved on my SQL database and shown on a table in the UI. This is the flow (part of a complex flow): \[{"id":"5a658…

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## [Google Calender - get events 2022](https://discourse.nodered.org/t/google-calender-get-events-2022/61413)

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**Author:** [@astals](https://discourse.nodered.org/u/astals)\
**Replies:** 7\
**Last updated:** [26 April 2022 11:58 UTC](https://discourse.nodered.org/t/google-calender-get-events-2022/61413 "2022-04-26T11:58:58Z")

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I've been looking over and trying basically all the old versions of this on here. And I cannot get a single one of them working... Wich either just means I'm dumb as hell, or there is something here I'm just not underst…

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## [Extract location of my WIFI](https://discourse.nodered.org/t/extract-location-of-my-wifi/61762)

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**Author:** [@Nice\_to\_have](https://discourse.nodered.org/u/Nice_to_have)\
**Replies:** 2\
**Last updated:** [26 April 2022 10:23 UTC](https://discourse.nodered.org/t/extract-location-of-my-wifi/61762 "2022-04-26T10:23:18Z")

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Hi all, Is there a way to extract my location from wifi? My laptop seems to have a pretty accurate idea of where I am when I connect to my phone hotspot. It also knows where it is when I connect to a MIFI. How can I e…

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## [Help with understanding \*errors\* as they are shown](https://discourse.nodered.org/t/help-with-understanding-errors-as-they-are-shown/61740)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [26 April 2022 05:56 UTC](https://discourse.nodered.org/t/help-with-understanding-errors-as-they-are-shown/61740 "2022-04-26T05:56:35Z")

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This is a question in the broader sense that I am confused by WHAT is shown rather than the specifics of the error itself. A couple of days back I got this error: {"message":"TypeError: msg.payload.sort is not a functio…

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## [Problems using '.toFixed()'](https://discourse.nodered.org/t/problems-using-tofixed/4192)

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**Author:** [@goncastorena](https://discourse.nodered.org/u/goncastorena)\
**Replies:** 29\
**Last updated:** [26 April 2022 05:53 UTC](https://discourse.nodered.org/t/problems-using-tofixed/4192 "2022-04-26T05:53:38Z")

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Hi, I'm new using Node-Red and I'm having problems triying to reduce the number of decimals in a sum.

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## [Reset dropdown in dashboard with msg.reset while preserving it's previous value](https://discourse.nodered.org/t/reset-dropdown-in-dashboard-with-msg-reset-while-preserving-its-previous-value/61734)

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**Author:** [@nightmareside15](https://discourse.nodered.org/u/nightmareside15)\
**Replies:** 4\
**Last updated:** [26 April 2022 02:00 UTC](https://discourse.nodered.org/t/reset-dropdown-in-dashboard-with-msg-reset-while-preserving-its-previous-value/61734 "2022-04-26T02:00:05Z")

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Hello . Is it possible to reset dropdown node with msg.reset, just like how we did it with text input node? I want it to preserve it's previous msg.payload after each time the value goes to the join node. This is the fi…

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## [Install Node-RED with NodeJS v12 (instead of NodeJS v14)?](https://discourse.nodered.org/t/install-node-red-with-nodejs-v12-instead-of-nodejs-v14/61634)

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**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 15\
**Last updated:** [25 April 2022 23:46 UTC](https://discourse.nodered.org/t/install-node-red-with-nodejs-v12-instead-of-nodejs-v14/61634 "2022-04-25T23:46:43Z")

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I am running the NR v2.2 and installed these nodes via the manage pallete, and now NR won't start. I did some research and found that according to their instructions, their nodes want NodeJS v12 (not v14). Question:…

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## [Flows stopped due to missing node types - I'm stuck!](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-im-stuck/61775)

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**Author:** [@JMMOCARRO](https://discourse.nodered.org/u/JMMOCARRO)\
**Replies:** 2\
**Last updated:** [25 April 2022 23:19 UTC](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-im-stuck/61775 "2022-04-25T23:19:55Z")

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Getting the following error after pasting in an example flow from Flows stopped due to missing node types os-config tjbot-config wiotp-credentials Deleted example flow - same error. Deleted all flows - same error. …

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## [Help! "Flows stopped due to missing node types"](https://discourse.nodered.org/t/help-flows-stopped-due-to-missing-node-types/61735)

<div class="topic-metadata">

**Author:** [@Mebejedi](https://discourse.nodered.org/u/Mebejedi)\
**Replies:** 2\
**Last updated:** [25 April 2022 22:23 UTC](https://discourse.nodered.org/t/help-flows-stopped-due-to-missing-node-types/61735 "2022-04-25T22:23:13Z")

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Help! I am brand new to Node Red. I've been running Webcore on my Hubitat for years and love it, but wanted to try this out. It was working fine until I imported the example from node-red-contrib-alexa-home-skill, and no…

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## [How to receive, play, record and analyze audio send to node-red websocket by an ESP32](https://discourse.nodered.org/t/how-to-receive-play-record-and-analyze-audio-send-to-node-red-websocket-by-an-esp32/61771)

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**Author:** [@oliver](https://discourse.nodered.org/u/oliver)\
**Replies:** 0\
**Last updated:** [25 April 2022 22:05 UTC](https://discourse.nodered.org/t/how-to-receive-play-record-and-analyze-audio-send-to-node-red-websocket-by-an-esp32/61771 "2022-04-25T22:05:40Z")

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Hi, who has an idea how to handle streaming data from ESP32 coming from an I2S microphone? Would be nice if it can be played by the PC loudspeakers after node-red received it. Any solution to play and record the sound?…

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## [Context to file creating temp files](https://discourse.nodered.org/t/context-to-file-creating-temp-files/61760)

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**Author:** [@gschmidt](https://discourse.nodered.org/u/gschmidt)\
**Replies:** 3\
**Last updated:** [25 April 2022 21:25 UTC](https://discourse.nodered.org/t/context-to-file-creating-temp-files/61760 "2022-04-25T21:25:37Z")

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Hi, I have created a flow which has 24 context variables saved to file. When I browse to the context directory of that flow (Raspberry Pi with Raspbian Buster), I notice that every minute a tmp file is created. /home/…

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## [MQTT configuration nodes are not recognized when packaged in a subflow module](https://discourse.nodered.org/t/mqtt-configuration-nodes-are-not-recognized-when-packaged-in-a-subflow-module/61767)

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**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 1\
**Last updated:** [25 April 2022 20:36 UTC](https://discourse.nodered.org/t/mqtt-configuration-nodes-are-not-recognized-when-packaged-in-a-subflow-module/61767 "2022-04-25T20:36:18Z")

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Structure ── node-red │ └── subflows │ ├── custom-nodes-internal-mqtt-in.js │ ├── custom-nodes-internal-mqtt-in.json │ ├── custom-nodes-internal-mqtt-out.js │ └── custom-nodes-internal-mqtt-out.…

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## [Looking for a good node to build an editable GUI for schedule](https://discourse.nodered.org/t/looking-for-a-good-node-to-build-an-editable-gui-for-schedule/61746)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [25 April 2022 19:27 UTC](https://discourse.nodered.org/t/looking-for-a-good-node-to-build-an-editable-gui-for-schedule/61746 "2022-04-25T19:27:02Z")

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I have two nodes now: node-red-contrib-ui-time-scheduler and @clysema/node-red-contrib-ui-week-schedule But.... (sorry) they don't quite do what I want. Cronplus is nearly what I want, but it doesn't have the GUI si…

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## [Elasticsearch Alternative - Zinc search](https://discourse.nodered.org/t/elasticsearch-alternative-zinc-search/61742)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 6\
**Last updated:** [25 April 2022 18:36 UTC](https://discourse.nodered.org/t/elasticsearch-alternative-zinc-search/61742 "2022-04-25T18:36:09Z")

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For the uninitiated, Elasticsearch is a full text search/analytics engine for bigdata lakes. It can ingest loads of data, somewhat similar to Influxdb, but where influxdb is geared towards timeseries based data, elastic…

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## [Opposite number](https://discourse.nodered.org/t/opposite-number/61761)

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**Author:** [@n1k0nx](https://discourse.nodered.org/u/n1k0nx)\
**Replies:** 2\
**Last updated:** [25 April 2022 18:04 UTC](https://discourse.nodered.org/t/opposite-number/61761 "2022-04-25T18:04:20Z")

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Dear guys How can I get the opposite number for example the paypoad is 4 and result in output is -4? I’ve teste the reverse palette but it don’t work or probably i’m the root cause of the problem :wink: Thank you in ad…

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## [Parsing error : SVG Node red](https://discourse.nodered.org/t/parsing-error-svg-node-red/61615)

<div class="topic-metadata">

**Author:** [@rchandrashekar53](https://discourse.nodered.org/u/rchandrashekar53)\
**Replies:** 1\
**Last updated:** [25 April 2022 17:44 UTC](https://discourse.nodered.org/t/parsing-error-svg-node-red/61615 "2022-04-25T17:44:10Z")

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Hi, My objective is to have an input text field with the SVG image (similar to this article :Node-red-contrib-ui-svg: experimenting with foreign elements) However i get a "parse exception" at the SVG editor - when i ad…

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## [Stacked chart with fixed min/max y-axis value not working?](https://discourse.nodered.org/t/stacked-chart-with-fixed-min-max-y-axis-value-not-working/61754)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 2\
**Last updated:** [25 April 2022 17:30 UTC](https://discourse.nodered.org/t/stacked-chart-with-fixed-min-max-y-axis-value-not-working/61754 "2022-04-25T17:30:26Z")

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I am trying to make a stacked bar chart with a fixed min. and max. y-axis value, but it doesn't seem to be working. Anyone got ideas about this? \[ { "id": "42f3dd586a56e31d", "type": "ui\_chart", …

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## [MQTT values sorting](https://discourse.nodered.org/t/mqtt-values-sorting/61642)

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**Author:** [@Olivia](https://discourse.nodered.org/u/Olivia)\
**Replies:** 6\
**Last updated:** [25 April 2022 16:01 UTC](https://discourse.nodered.org/t/mqtt-values-sorting/61642 "2022-04-25T16:01:49Z")

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Hello everyone, I would like to make a script that sorts my values automaticly. I tried it allready but it seems to look like i did somth wrong. this is the script i made: \[{"id":"aeb5b23752a36cba","type":"function","…

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## [Raspbery pi lose connection after i Deploy](https://discourse.nodered.org/t/raspbery-pi-lose-connection-after-i-deploy/61757)

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**Author:** [@marianjoana](https://discourse.nodered.org/u/marianjoana)\
**Replies:** 2\
**Last updated:** [25 April 2022 15:53 UTC](https://discourse.nodered.org/t/raspbery-pi-lose-connection-after-i-deploy/61757 "2022-04-25T15:53:55Z")

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Hi, I'm currently using raspbery pi 3 model B with node red and while doing a small dht22 project every time i deploy my raspbery lose it connection and it either (Raspbery pi Red led is on without blinking and green is …

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## [Install Node-RED on Alibaba Cloud Service but doesn't work](https://discourse.nodered.org/t/install-node-red-on-alibaba-cloud-service-but-doesnt-work/61738)

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**Author:** [@4NandA12](https://discourse.nodered.org/u/4NandA12)\
**Replies:** 5\
**Last updated:** [25 April 2022 14:15 UTC](https://discourse.nodered.org/t/install-node-red-on-alibaba-cloud-service-but-doesnt-work/61738 "2022-04-25T14:15:23Z")

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Hallo Sir, I'm try install Node-RED to Ubuntu 16.04 on Alibaba cloud service. I will use the method to add node-red to the system path like so: sudo npm install -g --unsafe-perm node-red As a rule, avoid using npm…

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## [Error: Cannot locate certificate file](https://discourse.nodered.org/t/error-cannot-locate-certificate-file/9232)

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**Author:** [@jorgenkvinge](https://discourse.nodered.org/u/jorgenkvinge)\
**Replies:** 12\
**Last updated:** [25 April 2022 14:09 UTC](https://discourse.nodered.org/t/error-cannot-locate-certificate-file/9232 "2022-04-25T14:09:42Z")

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Hi guys, new to the forum and I have been able to google some similar topics, but not find a concrete solution. I am trying to use the IIOT-OPCUA client from the Contrib library, but get this error: cannot locate certi…

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## [How to package node-red subflows into a dedicated Node-Red Docker Container?](https://discourse.nodered.org/t/how-to-package-node-red-subflows-into-a-dedicated-node-red-docker-container/61745)

<div class="topic-metadata">

**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 3\
**Last updated:** [25 April 2022 13:03 UTC](https://discourse.nodered.org/t/how-to-package-node-red-subflows-into-a-dedicated-node-red-docker-container/61745 "2022-04-25T13:03:30Z")

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I have created a subflow for the standard mqtt in and mqtt out nodes which sets the broker address accordingly (docker container names of the MQTT broker) and is made available for the use in the node pallete. The node …

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## [Is the Packaging Subflow Modules Documentation Obsolete or needs update?](https://discourse.nodered.org/t/is-the-packaging-subflow-modules-documentation-obsolete-or-needs-update/61751)

<div class="topic-metadata">

**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 3\
**Last updated:** [25 April 2022 12:59 UTC](https://discourse.nodered.org/t/is-the-packaging-subflow-modules-documentation-obsolete-or-needs-update/61751 "2022-04-25T12:59:55Z")

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I am not sure but packing the the respective nodes into flow array as mentioned in the Documentation for node-red v2.2 doesn't work when packaging the subflow as a module. JSON Generated during Export The documentation P…

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## [Change needle color in gauge](https://discourse.nodered.org/t/change-needle-color-in-gauge/61743)

<div class="topic-metadata">

**Author:** [@Kundepuu](https://discourse.nodered.org/u/Kundepuu)\
**Replies:** 2\
**Last updated:** [25 April 2022 12:27 UTC](https://discourse.nodered.org/t/change-needle-color-in-gauge/61743 "2022-04-25T12:27:56Z")

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I use hotNip\`s gauge and I need to change the color of the needle and the value text according to the value of gauge. if (v\< 50) { //change needle and text color to #FFFF99 } else if (time \< 80) { //change needle a…

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## [How can I get the value of a dropdown node to output to text?](https://discourse.nodered.org/t/how-can-i-get-the-value-of-a-dropdown-node-to-output-to-text/61512)

<div class="topic-metadata">

**Author:** [@NeonBlack-exe](https://discourse.nodered.org/u/NeonBlack-exe)\
**Replies:** 5\
**Last updated:** [25 April 2022 12:24 UTC](https://discourse.nodered.org/t/how-can-i-get-the-value-of-a-dropdown-node-to-output-to-text/61512 "2022-04-25T12:24:16Z")

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I'm trying to make a selection software, with the value of the dropdown being the price of the labeled item, and I want the actual value to print to a text so the price can be shown and totaled. I've tried using the func…

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## [Why connection failed to broker?](https://discourse.nodered.org/t/why-connection-failed-to-broker/61739)

<div class="topic-metadata">

**Author:** [@LinuxLover9](https://discourse.nodered.org/u/LinuxLover9)\
**Replies:** 10\
**Last updated:** [25 April 2022 11:41 UTC](https://discourse.nodered.org/t/why-connection-failed-to-broker/61739 "2022-04-25T11:41:21Z")

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I'm running a mosquitto broker and node-red as docker images and all was fine until this morning. I've restarted both docker container for node-red and mosquitto, then I restarted the whole server. And finally I updated…

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## [Uibuilder - VueJS & bootstrap-vue Content Can't Load](https://discourse.nodered.org/t/uibuilder-vuejs-bootstrap-vue-content-cant-load/61749)

<div class="topic-metadata">

**Author:** [@ChZeman](https://discourse.nodered.org/u/ChZeman)\
**Replies:** 2\
**Last updated:** [25 April 2022 11:36 UTC](https://discourse.nodered.org/t/uibuilder-vuejs-bootstrap-vue-content-cant-load/61749 "2022-04-25T11:36:17Z")

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I decided to revisit uibuilder but am running into roadblocks again. The blank template example loads fine, but not the other examples. I haven't modified anything and installed the required libraries. Am I missing somet…

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## [Print out dashboard on network printer](https://discourse.nodered.org/t/print-out-dashboard-on-network-printer/61645)

<div class="topic-metadata">

**Author:** [@RuneStone](https://discourse.nodered.org/u/RuneStone)\
**Replies:** 3\
**Last updated:** [25 April 2022 11:18 UTC](https://discourse.nodered.org/t/print-out-dashboard-on-network-printer/61645 "2022-04-25T11:18:07Z")

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Hi. I have a table on a dashboard which i need to print on a network printer when i get a digital input. Have looked for nodes but i have not found any suitable node.. node red is running on a windows server so i could…

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## [Any idea ? raspberry4 with node-red-contrib-i2c gets different values on some registers](https://discourse.nodered.org/t/any-idea-raspberry4-with-node-red-contrib-i2c-gets-different-values-on-some-registers/61650)

<div class="topic-metadata">

**Author:** [@luck0r](https://discourse.nodered.org/u/luck0r)\
**Replies:** 17\
**Last updated:** [25 April 2022 10:12 UTC](https://discourse.nodered.org/t/any-idea-raspberry4-with-node-red-contrib-i2c-gets-different-values-on-some-registers/61650 "2022-04-25T10:12:37Z")

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Hey Guys, maybe some one has an idea. I have some commands i send send out (2 of 20) and get the correct value from. If i use i2cget i get the correct value for all commands. Example :slight\_smile: The buffer is 0, …

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## [Double switch with mqtt -\> endless loop](https://discourse.nodered.org/t/double-switch-with-mqtt-endless-loop/61741)

<div class="topic-metadata">

**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 4\
**Last updated:** [25 April 2022 09:42 UTC](https://discourse.nodered.org/t/double-switch-with-mqtt-endless-loop/61741 "2022-04-25T09:42:41Z")

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Hi, I want to build a very simple switch for both RPi. So I have to send the status (false/true) by mqtt. But I always get a endless loop :woozy\_face: Any idea how to get this work ? (tried switch and slider) I w…

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